AtWhatMileage
Model year report

2012 Hyundai Sonata: what breaks, and at what mileage

What breaks on the 2012 Hyundai Sonata

On the 2012 Hyundai Sonata, the failure owners report most often is other engine problem, and the reports cluster around 91,000 miles. The earliest to appear is other visibility problem, reported by a median of 300 miles. Overall it scores 74 out of 100, high risk for a 2012.

High risk for a 2012 — 70th riskiest of the 271 2012 vehicles we can rate. 2,280 owner reports; fleet size estimated from this year's own recall paperwork.

The failures owners actually file about

Owners have reported 79 named failure modes on the 2012 Hyundai Sonata, and the three most-reported carry 30% of everything filed, which is an unusually even spread for one model year.

Other engine problem leads with 373 reports, about 1.6 per 1,000 vehicles and with the middle half of reports between 62k to 122,000 miles.

Other steering problem follows with 188 reports, usually reported between 19k to 99,000 miles. 1 of those report mention a fire.

Other electrical problem follows with 114 reports, usually reported between 54k to 120,000 miles. 17 of those reports mention a fire.

By system, the reports fall mostly into engine (589), steering (291) and electrical (187).

When these failures get reported

1,409 of the reports on the 2012 Hyundai Sonata came with an odometer reading, and half of those were filed before 80,000 miles.

Cumulatively, 26% by 50,000 miles, 65% by 100,000 miles and 93% by 150,000 miles of the dated reports had been filed, with 3 filed above the top of the chart.

The busiest stretch is between 0 and 10,000 miles, which alone holds 10% of the dated reports.

21% of the dated reports were filed below 36,000 miles.

In the order they tend to show up: other visibility problem around 290, other suspension problem around 4k, cruise control failure around 22k and other wheel or tire problem around 25k.

Showing the 12 most-reported failure modes of 79. The full list is in the table below.

How reports accumulate

Share of reports filed by each mileage
half by 80k

Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A further 3 reports came in above that, which is why the line stops short of the top. A curve that climbs early is a car with early problems, whatever its total.

  • Line share of reports filed by that mileage
  • Dashed the median reported mileage

What happens when these parts fail

Across the named modes, 73 mention a crash, 158 a fire, 48 an injury and 2 a fatality. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.

The average severity weight across every report on this year is 4.62, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.

What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: other engine problem at $300–$4,000, other steering problem at $350–$2,400, other electrical problem at $250–$2,000 and airbag warning light or occupant sensor fault at $300–$1,600. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.

31% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.

Every reported failure mode

Mileage figures are percentiles of owner-reported readings. Click a column to sort.
Failure mode System Reports With reading 25th Median 75th Per 1,000 Typical repair Severity
Other engine problem engine 373 233 62k 91k 122k 1.6 $300–$4,000 High
Other steering problem steering 188 142 19k 68k 99k 0.8 $350–$2,400 High
Other electrical problem electrical 114 52 54k 85k 120k 0.5 $250–$2,000 Moderate
Airbag warning light or occupant sensor fault airbag 87 45 75k 95k 110k 0.4 $300–$1,600 High
Steering column or shaft failure steering 87 69 66k 82k 93k 0.4 $600–$2,500 Critical
Other brake problem brakes 87 44 38k 66k 101k 0.4 $300–$1,800 High
Tail light, brake light or signal failure lighting 83 44 70k 80k 120k 0.4 $100–$900 Moderate
Other powertrain problem transmission 64 48 50k 88k 116k 0.3 $400–$4,500 High
Other lighting problem lighting 60 35 89k 109k 128k 0.3 $120–$1,200 Moderate
Seat belt or retractor failure airbag 58 28 48k 80k 99k 0.2 $200–$900 High
Other fuel system problem fuel 51 32 44k 90k 119k 0.2 $300–$2,200 High
No-start or intermittent start failure engine 49 27 60k 100k 118k 0.2 $200–$1,800 Moderate
Complete engine failure or seizure engine 48 31 84k 100k 126k 0.2 $4,500–$12,000 Critical
Other speed control problem adas 47 33 30k 71k 110k 0.2 $250–$2,000 Critical
Cruise control failure adas 42 33 12k 22k 116k 0.2 $200–$1,400 High
Other body or interior problem body 36 29 25k 53k 100k 0.2 $200–$2,000 Moderate
Stalling while driving engine 31 18 38k 84k 119k 0.1 $300–$2,500 Critical
Headlight failure or clouding lighting 31 18 51k 120k 136k 0.1 $150–$1,800 Moderate
Wiring harness or short circuit electrical 28 16 85k 90k 130k 0.1 $400–$3,500 High
Airbag inflator rupture airbag 26 14 34k 79k 108k 0.1 $0–$0 Critical
Fuel pump failure fuel 25 16 47k 80k 107k 0.1 $600–$2,600 High
Other wheel or tire problem wheels 25 18 14k 25k 91k 0.1 $200–$1,500 High
Sunroof failure or glass breakage body 24 22 27k 59k 105k 0.1 $700–$4,500 High
Other driver assistance problem adas 24 14 26k 69k 112k 0.1 $250–$1,800 High
Other suspension problem suspension 23 17 125 4k 64k 0.1 $350–$2,000 Moderate
Excessive oil consumption engine 21 6 — 115k — 0.1 $900–$6,500 High
Overheating cooling 21 11 35k 80k 93k 0.1 $400–$3,500 High
Alternator or charging system failure electrical 21 10 49k 58k 112k 0.1 $450–$1,600 High
Loss of braking brakes 20 14 27k 79k 94k 0.1 $400–$3,000 Critical
Oil leak engine 17 9 79k 118k 125k 0.1 $250–$2,200 Moderate
Fuel leak or fuel odor fuel 15 11 42k 95k 115k 0.1 $300–$2,500 Critical
Ignition switch, key fob or immobilizer failure electrical 15 9 54k 77k 100k 0.1 $250–$1,500 High
Turbocharger or supercharger failure engine 14 13 44k 74k 100k 0.1 $1,500–$4,500 High
Fuel tank, filler or EVAP failure fuel 14 7 — 98k — 0.1 $250–$1,800 Moderate
Parking brake failure brakes 14 14 36k 50k 80k 0.1 $250–$1,300 Moderate
ABS module or sensor failure brakes 13 5 — 57k — 0.1 $500–$2,400 High
Engine bay fire engine 12 1 — 84k — 0.1 $4,000–$20,000 Critical
Other visibility problem glass 12 11 22 290 3k 0.1 $150–$1,400 Moderate
Engine knock or bearing noise engine 11 9 58k 86k 100k 0.0 $2,500–$9,000 High
CV axle or driveshaft failure drivetrain 10 9 15k 40k 40k 0.0 $450–$2,200 High
Control module (ECM/PCM/BCM) failure electrical 9 6 — 14k — 0.0 $700–$3,000 High
Loss of power steering steering 9 9 72k 102k 133k 0.0 $600–$2,800 Critical
Control arm, ball joint or bushing failure suspension 9 9 53k 79k 86k 0.0 $400–$2,200 High
Fuel gauge or level sensor failure fuel 8 6 — 94k — 0.0 $300–$1,200 Moderate
Airbag failed to deploy in a crash airbag 8 7 — 125k — 0.0 $1,000–$5,000 Critical
Complete transmission failure transmission 7 2 — 96k — 0.0 $2,800–$8,000 Critical
Backup camera failure infotainment 7 2 — 18k — 0.0 $250–$1,200 Moderate
Steering rack, gear or tie rod failure steering 7 5 — 77k — 0.0 $700–$2,600 High
Misfire or rough idle engine 6 4 — 93k — 0.0 $250–$1,600 Moderate
Strut, shock or spring failure suspension 6 5 — 20k — 0.0 $500–$2,000 Moderate
Software fault or failed update software 6 3 — 78k — 0.0 $0–$600 Moderate
Shifter, linkage or stuck-in-park failure transmission 5 5 — 86k — 0.0 $250–$1,400 High
Tire pressure monitor failure wheels 5 5 — 40k — 0.0 $80–$600 Low
Radiator or coolant leak cooling 4 3 — 110k — 0.0 $350–$1,900 High
Infotainment screen failure infotainment 4 0 — — — 0.0 $400–$2,600 Low
Instrument cluster or gauge failure infotainment 4 4 — 170k — 0.0 $350–$1,400 Moderate
Master cylinder or brake booster failure brakes 4 0 — — — 0.0 $450–$2,200 Critical
Tire blowout or tread separation wheels 4 4 — 17k — 0.0 $200–$1,500 Critical
Air conditioning failure hvac 4 1 — 32k — 0.0 $400–$2,800 Moderate
Exhaust leak or fumes in the cabin emissions 4 1 — 77k — 0.0 $250–$2,000 High
Timing chain, belt or tensioner failure engine 3 2 — 185k — 0.0 $1,200–$4,500 Critical
Intake carbon buildup engine 3 3 — 93k — 0.0 $400–$1,200 Moderate
Alignment fault and uneven tire wear suspension 3 2 — 201 — 0.0 $150–$1,200 Moderate
Thermostat failure cooling 2 0 — — — 0.0 $250–$900 Moderate
Premature brake pad or rotor wear brakes 2 0 — — — 0.0 $300–$1,400 Moderate
Airbag deployed without a crash airbag 2 2 — 36k — 0.0 $2,500–$8,000 Critical
Rust or structural corrosion body 2 2 — 700 — 0.0 $500–$6,000 High
Interior water leak body 2 2 — 47k — 0.0 $300–$2,500 Moderate
Head gasket failure engine 1 0 — — — 0.0 $1,400–$4,000 Critical
Cooling fan failure cooling 1 1 — 162k — 0.0 $350–$1,300 Moderate
Transmission will not engage a gear transmission 1 1 — 120k — 0.0 $1,500–$6,000 Critical
Torque converter failure transmission 1 0 — — — 0.0 $1,100–$3,200 High
Audio or connectivity failure infotainment 1 1 — 98k — 0.0 $150–$900 Low
Brake line, hose or caliper failure brakes 1 1 — 35k — 0.0 $250–$1,600 Critical
Automatic braking for no reason adas 1 0 — — — 0.0 $0–$1,500 Critical
Lane keep or steering assist fault adas 1 0 — — — 0.0 $200–$1,600 High
Paint peeling or clear coat failure body 1 0 — — — 0.0 $600–$6,000 Low
Door latch or handle failure body 1 0 — — — 0.0 $250–$1,200 High
Catalytic converter failure emissions 1 0 — — — 0.0 $900–$3,500 Moderate
Unclassified problem other 189 94 57k 77k 110k 0.8 — Moderate

Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.

How often, against how many were built

Scaled by an estimate of how many of these cars exist, the 2012 Hyundai Sonata draws about 9.7 per 1,000 vehicles, which puts it in the 90th percentile of complaint rates among 2012 vehicles we can rate.

That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.

The working figure is 235,000 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2012 vehicles, which is what the risk score uses, is far more robust than the rate itself.

What owners wrote

Verbatim from NHTSA complaint narratives, trimmed for length. The odometer reading is the one the owner gave.

Other engine problem

When accelerating from idle, such as sitting at a stop sign, stop light, or waiting to pull out onto the highway, the engine will just start to move the car and then delay, allowing you to push the accelerator pedal all the way to the floor with no response for 2-4 seconds. This happens at all times of day and weather. The only common factor is that it happens after the car has been at idle for a moment, such as coasting through a parking lot or sitting at a traffic light. It happens about every 2-4 days. Very dangerous as I have almost been hit twice now pulling out onto a highway only for the engine to stall. The engine never turns off, it just doesn't respond to the accelerator pedal. I see on the internet that this is happening to other people. *tr

400 miles NHTSA complaint 907927 filed 2012-03-03

Repair attempts 5; first attempt at date of incident. Driving on level three lane divided highway when the vehicle suddenly stops accelerating and exhibits a no power condition where only electrical is working. I apply acceleration up past 5000 RPM and no response. Past 6000 RPM and vehicle suddenly kicks in and out of complete shock I'm forced to pull over in nearby plaza to contact nearest dealer (in southern california @ this time, original dealer in las vegas centennial hyundai). Allen hyundai service technician agrees to keep it overnight to duplicate issue. He puts in writing next day "three no power conditions." after blaming it on the turbo and adjusting electrical sensors, I continued experiencing same problem, different places. Original dealer for some reason fails to duplicate and leaves me hopeless. No offer to trade car or take it back. Now stuck in purgatory between corporate and a malfunctioning vehicle. 2012 new off the lot se with 2.0 t. *js

11,000 miles NHTSA complaint 915369 filed 2012-04-20

Other steering problem

Vehicle pulls right. Constant correction needed when driving. The slightest amount of crown slope makes it pull to the right. Even on a flat surface like a parking lot it will drive to the right. *tr

100 miles NHTSA complaint 874965 filed 2011-08-19

My brand new 2012 hyundai sonata pulls hard to the right. Took it in for repair, dealer said nothing was wrong. Left the car dealership and nothing was fixed. Still pulling hard to the right. I set another appointment to take the car back in. *tr

100 miles NHTSA complaint 877477 filed 2011-09-02

Other electrical problem

Tl* the contact owns a 2012 hyundai sonata. The contact stated that the blue tooth device was not compatible with the vehicle. The vehicle was inspected by a dealer and they advised him that his phone was not compatible. The vehicle was not repaired. The manufacturer was contacted and they offered no assistance. The failure mileage was approximately 10. The VIN was unavilable.

10 miles NHTSA complaint 871759 filed 2011-08-04

The vehicle looses power while driving on the road and all the electronics shut down. I lost power steering and power brakes and could not stop the vehicle. The vehicle has an electrical problem that the service technicians can not see on the computer or figure out. First the service tech said it was a fuse not plugged in all the way then they say it was the battery.. I fear for my life in this car and will never drive it again. If I were in a cross walk I would have hit a pedestrian or I could have hit another vehicle. Luckily I was not on a high speed road or going through a toll booth or there would have been serious injuries. I cannot believe that the manufacturer feels I should drive this car. They told me it was ok before and I ended up having an accident. This car has an electronic defect. They do not put any value on lives. *tr

16,000 miles NHTSA complaint 943497 filed 2012-10-09

Recalls on the 2012 model year

NHTSA has issued 8 recall campaigns covering the 2012 Hyundai Sonata, affecting an estimated 922,139 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.

The campaigns cover fuel system, gasoline:delivery:hoses, lines/piping, and fitt, air bags and seat belts:front:anchorage. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.

Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.

18V934000

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

150,730 vehicles 2018-12-28
Defect
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2013-2014 Santa Fe Sport vehicles previously repaired under recall numbers 15V-568 and 17V-226. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned, or improperly torqued during the engine replacement procedure, allowing fuel to leak from the pipe.
Consequence
A fuel leak in the presence of an ignition source can increase the risk of a fire.
Remedy
Hyundai will notify owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began March 1, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's recall number for this recall is 180.
18V137000

AIR BAGS

580,058 vehicles 2018-02-27
Defect
Hyundai Motor America (Hyundai) is recalling certain 2011-2013 Sonata and 2011-2012 Sonata Hybrid vehicles. On February 27, 2018, Hyundai Motor Company (Hyundai) notified NHTSA that they were recalling 154,753 model year 2011 Sonata vehicles. On April 18, 2018, Hyundai expanded the recall to include an additional 425,305 model year 2012-2013 Sonata and 2011-2012 Sonata Hybrid vehicles. In the event of a crash, the air bag control unit (ACU) may short circuit, preventing the frontal air bags, seat belt pretensioners, and side air bags from deploying.
Consequence
If the frontal air bags, seat belt pretensioners, and side air bags are disabled, there is an increased risk of injury to the vehicle occupants in the event of a vehicle crash that necessitates deployment of these safety systems.
Remedy
Hyundai will notify owners, and dealers will install an external wire filter kit, free of charge. The recall began October 15, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 174.
17V617000

SEAT BELTS:FRONT:ANCHORAGE

443,545 vehicles 2017-10-04
Defect
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles previously repaired under recall campaign 17V-152. The seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Consequence
If the seat belt linkage detaches from the seat belt anchorage, it can not properly restrain the occupant in the event of a crash, increasing the risk of injury.
Remedy
Hyundai will notify owners, and dealers will again verify the connection between the seat belt linkage and the pretensioner and additionally install a warning label to prevent future seat belt linkage detachment, free of charge. The recall began November 6, 2017. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 169.
17V152000

SEAT BELTS:FRONT:ANCHORAGE

977,778 vehicles 2017-03-08
Defect
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles. In the affected vehicles, the seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Consequence
In the event of a crash, if the seat belts detach from the anchor pretensioners, it can increase the risk of injury.
Remedy
Hyundai will notify owners and dealers will inspect the connection between the seat belt linkages and the seat belt anchor pretensioners, repairing them as necessary, free of charge. The recall is expected to begin April 7, 2017. Owner's may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for the recall is 160.
15V759000

EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

304,900 vehicles 2015-11-16
Defect
Hyundai Motor America (Hyundai) is recalling certain model 2011-2012 Sonata vehicles. The brake pedal stopper pad can deteriorate allowing the brake light switch plunger to remain extended when the brake pedal is released.
Consequence
If the brake light switch plunger does not retract as it should when the brake pedal is not being pressed, the brake lights may stay illuminated preventing accurate communication to rearward following vehicles that the vehicle is slowing or stopping. Additionally, if the brake switch plunger is not retracted, then the transmission can be shifted out of PARK without depressing the brake pedal. Either condition increases the risk of a crash.
Remedy
Hyundai will notify owners, and dealers will replace the brake pedal stopper pad with an improved part, free of charge. The recall began on January 6, 2016. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 136.
15V568000

ENGINE

470,000 vehicles 2015-09-10
Defect
Hyundai Motor America (Hyundai) is recalling certain model year 2011-2012 Sonata vehicles manufactured December 11, 2009, to April 12, 2012 at Hyundai Motor Manufacturing Alabama and equipped with either a 2.0 liter or 2.4 liter Gasoline Direct injection engine. In the affected vehicles, metallic debris may not have been fully removed during manufacturing of the engine crankshaft. If the debris was not completely removed, oil flow may be restricted through the connecting rod bearings, causing connecting rod damage. A worn connecting rod bearing will produce a metallic…
Consequence
Engine failure would result in a vehicle stall, increasing the risk of a crash.
Remedy
Hyundai will notify owners, and dealers will inspect the vehicles and replace the engine assembly, as necessary, free of charge. Additionally, Hyundai Motor America will increase the warranty for the engine sub-assembly (short block) to 10 years/120,000 miles for both original and subsequent owners of 2011 and 2012 Sonatas manufactured at Hyundai Motor Manufacturing Alabama equipped with 2.0 liter and 2.4 liter Gasoline Direct injection engines. Interim notifications were mailed to owners starting on October 8, 2015. A second notification will be mailed when parts are…
14V434000

POWER TRAIN:AUTOMATIC TRANSMISSION

883,000 vehicles 2014-07-18
Defect
Hyundai Motor Company (Hyundai) is recalling certain model year 2011-2014 Sonata vehicles manufactured December 11, 2009, through May 29, 2014. In the affected vehicles, the transmission shift cable may detach from from the shift lever pin.
Consequence
If the transmission shift cable detaches, the transmission gear selection may not match the indicated gear and the vehicle may move in an unintended or unexpected direction, increasing the risk of a crash. Furthermore, when the driver parks the vehicle, despite selecting the 'PARK' position, the transmission may not be in 'PARK.' If the vehicle is not in the 'PARK' position and the parking brake is not applied, there is a risk the vehicle will roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of…
Remedy
Hyundai will notify owners, and dealers will inspect and, as necessary, repair the connection between the shift cable and shift lever, free of charge. The recall began in September 2014. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 123.
12V352000

AIR BAGS:SIDE/WINDOW

29,767 vehicles 2012-07-24
Defect
Hyundai is recalling certain model year 2012-2013 Hyundai Sonata passenger cars, manufactured from January 24, 2012, through June 21, 2012. The curtain side airbags on these vehicles may inflate without deployment command due to an error during manufacturing.
Consequence
The curtain airbag may inflate without deployment command and increase the risk of injury to occupants of the vehicle. Additionally, an unexpected deployment would be a significant driver distraction and would limit the driver's visibility, increasing the risk of a crash.
Remedy
Hyundai dealers will notify owners, and dealers will replace the curtain side airbags free of charge. This recall began on August 31, 2012. Owners may contact Hyundai at 1-800-633-5151.

Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.

How it ranks in the 2012 field

The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.

Risk score against the rest of the 2012 field

Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.

  • Left fewer and less serious reports
  • Right more, or worse
  • Marker this vehicle

Better and worse years of the same car

High risk for a 2012 — 70th riskiest of the 271 2012 vehicles we can rate. Every score on this site is a rank inside its own model year, which is what makes a 2004 and a 2019 comparable at all.

Across the 30 model years of this car that carry enough reports to score, 1996 comes out best at 58 and 2022 worst at 81, with 2012 itself at 74.

If the model year is negotiable, 1996, 1998, 2000, 1997, 1999, 2008, 2007, 2001, 2004, 2025, 2024, 2006, 2010, 2002, 2003 and 2009 score lower than 2012 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.

Within the 2011–2019 generation specifically, 2014 is the strongest year at 72 and 2015 the weakest at 79.

Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.

Risk score by model year, out of 100

Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.

Within the 2011-2019 generation, 2014 Hyundai Sonata scores best at 72 and 2015 Hyundai Sonata worst at 79.

Where to spend the inspection money

The mileages below are where the first quarter of reports for each mode had already been filed, which makes them the point at which a fault is worth looking for rather than the point at which it happens: other visibility problem from about 22, other suspension problem from about 125, cruise control failure from about 12k and other wheel or tire problem from about 14k.

On a 2012 Hyundai Sonata with more miles than that on it, the useful question to put to a seller or a mechanic is whether other visibility problem has been dealt with, and if so with what parts and at whose expense. A car that has already had the repair is in a different position from one that has not.

None of this is a diagnosis. It is a list of what other owners of the same model year reported, ordered by when they reported it, which is a good place to point an inspection and a poor place to stop.

Where these figures stop being useful

2,280 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.

Of those 2,280 reports, 1,409 carried an odometer reading, so the mileages here describe 62% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".

Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.

And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.

Questions this page answers

What are the most common problems with the 2012 Hyundai Sonata?

The most-reported failures are other engine problem (373 reports, median 91,000 miles), other steering problem (188 reports, median 68,000 miles) and other electrical problem (114 reports, median 85,000 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.

At what mileage do 2012 Hyundai Sonata problems start?

Other visibility problem is the earliest failure mode to show up, with a median reported mileage of 300 miles and a quarter of reports before 22 miles. Across all failure modes on this year, the median report sits at 80,000 miles.

Is the 2012 Hyundai Sonata reliable?

It scores 74 out of 100 on our risk index, which is high — 70th riskiest of the 271 2012 vehicles we can rate. The score is a comparison against other 2012 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.

Which year of the Hyundai Sonata is best?

Within the 2011–2019 generation, 2014 scores best at 72 out of 100 and 2015 worst at 79. Same body, same engines, different luck.

Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.

What breaks at my mileage Compare with another car

Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed