AtWhatMileage
Engine · 38 owner reports

Other engine problem on the 2006 Hyundai Sonata

2 crashes 2 fires 2 injuries 6 of the 38 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.

Reports of this failure 38
With an odometer reading 29
Reports per 1,000 built 0.3 per 1,000
Filed below 36,000 miles 17%
Mention a crash, fire or injury 6
Typical repair $300–$4,000
What it means when it happens High
Rank among this year's problems 8th

When other engine problem gets reported

Owners of the 2006 Hyundai Sonata report other engine problem at a median of 85,000 miles. A quarter of the reports come in before 57,500 miles and a quarter after 107,500 miles, from 29 reports that carried an odometer reading.

A part like this is normally expected to survive 95,000 miles. It is the 8th most-reported problem on this model year.

The mileage distribution

The reported range runs from 25,000 miles at the tenth percentile to 135,000 miles at the ninetieth, a spread of 109,653 miles across the middle 80% of reports.

When the reports scatter this far, the mileage is telling you about how these cars were driven more than about the part itself.

17% of the dated reports were filed under 36,000 miles.

The whole distribution

Percentiles of the 29 odometer readings owners gave.
10th25thMedian 75th90th
24,754 miles 58,344 miles 85,000 miles 108,596 miles 134,407 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

Of these reports, 2 a crash, 2 a fire and 2 an injury are mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.

Putting it right typically runs $300–$4,000 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.

The same failure on other years

The same failure is reported on 26 model years of this car. It shows up earliest on the 2023, at a median of 100 miles, and latest on the 2008 at 115,000 miles.

By volume the 2011 carries the most reports, with 596; the 2006 has 38. 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.

Median
  1. 1996 Hyundai Sonata other engine problem
    no odometer readings given
    —
  2. 1997 Hyundai Sonata other engine problem 57k
  3. 1998 Hyundai Sonata other engine problem 80k
  4. 1999 Hyundai Sonata other engine problem 89k
  5. 2000 Hyundai Sonata other engine problem 56k
  6. 2001 Hyundai Sonata other engine problem 63k
  7. 2002 Hyundai Sonata other engine problem 57k
  8. 2003 Hyundai Sonata other engine problem 18k
  9. 2004 Hyundai Sonata other engine problem 85k
  10. 2005 Hyundai Sonata other engine problem 74k
  11. 2006 (this one) 85k
  12. 2007 Hyundai Sonata other engine problem 101k
  13. 2008 Hyundai Sonata other engine problem 115k
  14. 2009 Hyundai Sonata other engine problem 101k
  15. 2010 Hyundai Sonata other engine problem 63k
  16. 2011 Hyundai Sonata other engine problem 95k
  17. 2012 Hyundai Sonata other engine problem 91k
  18. 2013 Hyundai Sonata other engine problem 97k
  19. 2014 Hyundai Sonata other engine problem 89k
  20. 2015 Hyundai Sonata other engine problem 65k
  21. 2016 Hyundai Sonata other engine problem 82k
  22. 2017 Hyundai Sonata other engine problem 69k
  23. 2018 Hyundai Sonata other engine problem 41k
  24. 2019 Hyundai Sonata other engine problem 43k
  25. 2020 Hyundai Sonata other engine problem 3k
  26. 2021 Hyundai Sonata other engine problem 6k
  27. 2022 Hyundai Sonata other engine problem 15k
  28. 2023 Hyundai Sonata other engine problem 80
  29. 2024 Hyundai Sonata other engine problem
    no odometer readings given
    —
  30. 2025 Hyundai Sonata other engine problem 16k

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.

Dt*: the contact stated there is a subtle odor in the vehicle that makes the occupants ill. The vehicle was seen by the dealer, but the dealer was unable to duplicate the problem. Although the dealer did not detect an odor, the dealer suggested using an air freshener. *ak

7,000 miles NHTSA complaint 580697 filed 2006-05-01

Issue for 2006 hyundai sonata gls v6 (1)driving in san francisco area with respecting local traffic laws. (2)suddenly esc failed and engine lost its power. The speed of the vehicle dropped to 15 miles/hour and was unable to accelerate more than 15 miles/hour. It caused a close chance of rear-collision accident. (3)dealership replaced with new parts. Lasted 10 days and the problems have continued. The service advisor of cammisa hyundai explained to me, that they were unable to find the reasons for failures. No date for repair has been promised. *jb

39,149 miles NHTSA complaint 597934 filed 2006-09-29

Tl*the contact owns a 2006 hyundai sonata. While driving 20 MPH, he heard a loud banging noise coming from the rear of the vehicle. The contact stated that the noise was louder while making a turn with a passenger seated in the rear. The dealer inspected the vehicle on two occasions; the first time they were unable to diagnose the failure and the second time the dealer adjusted the rear suspension. The suspension adjustment failed to solve the failure. As of october 9, 2007, the dealer had not repaired the vehicle. The failure mileage was 12,000 and the current mileage was 16,997. The dealer stated the front right door lock inoperable, passenger seat area makes a rattling sound, right trunk trim vibrates when vehicle in motion and hears knocking sound in the engine. Updated 10/23/07 *tr

12,000 miles NHTSA complaint 641394 filed 2007-10-09

Also reported on the 2006 Hyundai Sonata

Other visibility problem

176 reports median 64k

Seat belt or retractor failure

91 reports median 75k

Other body or interior problem

45 reports median 55k

Other brake problem

42 reports median 60k

How far this goes

Complaints are voluntary, so 38 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 other engine problem happen on the 2006 Hyundai Sonata?

Across 29 owner reports that included an odometer reading, half were filed by 85,000 miles. A quarter were filed before 57,500 miles and a quarter after 107,500 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.

How common is other engine problem on the 2006 Hyundai Sonata?

38 reports have been filed with NHTSA, about 0.3 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