Complete engine failure or seizure on the 2012 Hyundai Tucson
When complete engine failure or seizure gets reported
Owners of the 2012 Hyundai Tucson report complete engine failure or seizure at a median of 90,000 miles. A quarter of the reports come in before 75,000 miles and a quarter after 110,000 miles, from 18 reports that carried an odometer reading.
A part like this is normally expected to survive 105,000 miles. It is the 3rd most-reported problem on this model year.
The mileage distribution
The reported range runs from 70,000 miles at the tenth percentile to 125,000 miles at the ninetieth, a spread of 55,450 miles across the middle 80% of reports.
Reports bunched into a band this tight usually mean the component has a life of its own: it goes at roughly the same mileage regardless of who owns it.
0% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 68,150 miles | 75,854 miles | 90,559 miles | 110,000 miles | 123,600 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $4,500–$12,000 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
This mode is classified as critical, which means a failure can leave the car unable to stop, steer, or stay out of the way of traffic. It is weighted accordingly in the risk score.
The same failure on other years
The same failure is reported on 8 model years of this car. It shows up earliest on the 2017, at a median of 40,000 miles, and latest on the 2016 at 120,000 miles.
By volume the 2017 carries the most reports, with 27; the 2012 has 22. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Just had car services at hyundai dealership two weeks ago with oil change and rust recall along with multipoint inspection. Friday 6/10/2017 was driving home turning left in a busy intersection and hear a loud ping ping from under the hood, and I can no longer accelerate. Cars are hooking behind me as I turn on my hazards and am able to finally coast to the side street and turn off the car. I was almost rear ended twice. Took the car into the dealer. They broke down the engine and said that they engine seized up and the bearings had metal shaving all over down to the oil pan. They said this looked to be consistent with what they have been seeing in the recalled 2.4 l engines. They filed a claim with hyundai since I am the second owner the are declining the repair request because I am the second owner and have 80,000 miles. So much for helping your customer that was almost kills because of engine failure
Tl* the contact owns a 2012 hyundai tucson. While driving 50 MPH, the vehicle hesitated to shift to a higher gear. The contact stated that the eps, oil, and check engine warning indicators illuminated. The contact was able to exit the highway. The engine started skipping and all power was lost. The vehicle was towed to danbury hyundai (102 federal rd, danbury, ct 06810 (203) 730-4700) where it was diagnosed that the engine seized and needed replacement. The vehicle was not repaired. The manufacturer was made aware of the failure and did not assist. The VIN was invalid. The failure mileage was 59,092.
While driving on the interstate at speeds of 70 MPH the engine seized and threw a rod, despite following the proscribed maintenance schedule. This caused the entire engine to blow, smoke, and leak oil all over the highway. This was incredibly dangerous not only to us who were in the vehicle, but surrounding vehicles as well, as were travelling on a busy interstate on christmas day. We were very lucky just to be able to make it to the side of the road before the vehicle entirely shut down and stopped moving. This is the same exact engine that has been recalled by hyundai, just in a different model.
Also reported on the 2012 Hyundai Tucson
Other engine problem
Other brake problem
Other powertrain problem
Other electrical problem
Oil leak
Other speed control problem
How far this goes
Complaints are voluntary, so 22 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does complete engine failure or seizure happen on the 2012 Hyundai Tucson?
Across 18 owner reports that included an odometer reading, half were filed by 90,000 miles. A quarter were filed before 75,000 miles and a quarter after 110,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is complete engine failure or seizure on the 2012 Hyundai Tucson?
22 reports have been filed with NHTSA, about 0.6 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
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