Hyundai Sonata Reliability — Best and Worst Years by the Data

Quick answer

The Hyundai Sonata draws 9.71 complaints per production run against 3.72 for the average car — worse than typical. The worst model year is 2013 at 24.38 complaints per run; the best is 1989 at 1 — a 24.4-fold gap between two cars wearing the same badge. Failures cluster at 6 years, so only 36.1% of them fall inside the 5-year basic warranty.

Everything on the Hyundai Sonata

Recalls150 campaigns Fuel economy52 mpg best Common problems16,071 complaints Check a VINAgainst this exact build DimensionsSize, weight, generations Cargo space16 cu ft Used prices2,070 listings What yours is worthValue by year & mileage Insurance costEstimated per year Window stickerOriginal Monroney label Decode a VINWhat each character means About this car1989–2026

Best and worst years

Ranked by complaints per production run rather than by raw count. A raw count only tells you which year sold well — the best-selling year always looks like the worst car. Dividing by the number of runs removes sales volume and leaves the fault rate.

FIG.01·Hyundai Sonata — complaint rate by model year
Model year	Per run	Complaints	Runs	Enough history?
2025	1.25	15	12	too new
2024	2	40	20	too new
2023	1.63	83	51	too new
2022	1.53	87	57	too new
2021	2	116	58	too new
2020	3.22	164	51	yes
2019	5	150	30	yes
2018	7.57	356	47	yes
2017	11.21	740	66	yes
2016	13.98	699	50	yes
2015	14.47	1085	75	yes
2014	12.73	713	56	yes
2013	24.38	1780	73	yes
2012	18.39	1453	79	yes
2011	23.09	3048	132	yes
2010	5.8	290	50	yes
2009	7.52	391	52	yes
2008	6.43	360	56	yes
2007	16.3	603	37	yes
2006	11.36	886	78	yes
2005	4.31	138	32	yes
2004	4.38	171	39	yes
2003	4.35	161	37	yes
2002	5	255	51	yes
2001	4.34	165	38	yes
2000	4.71	212	45	yes
1999	2.57	108	42	yes
1998	2.19	35	16	yes
1997	1.54	37	24	yes
1996	1.58	19	12	yes
1995	1.2	48	40	yes
1993	1.2	18	15	yes
1992	1.25	15	12	yes
1991	1.22	22	18	yes
1990	1.2	12	10	yes
1989	1	8	8	yes

ROWS 36·SOURCE NHTSA complaints, grouped by VIN production run

Recent years are marked «too new» and left out of the ranking on purpose. Complaints accumulate for a decade after a car is sold, so a 2026 build will always look flawless next to a ten-year-old one. Comparing them would be dishonest. Among the 31 years with enough history, 2013 is the one to avoid and 1989 the one to look for.

When it starts to break

Not the calendar year the complaint was filed — the age of the car when it failed. This is the number that decides whether a fault costs you anything: inside the warranty the manufacturer pays, outside it you do.

FIG.02·Hyundai Sonata — age at failure
Age at failure	Complaints	Running total	Warranty
0 years	912	6.5%	covered
1 year	683	11.4%	covered
2 years	807	17.1%	covered
3 years	1080	24.8%	covered
4 years	1580	36.1%	covered
5 years	1670	48%	you pay
6 years	1586	59.4%	you pay
7 years	1528	70.3%	you pay
8 years	1196	78.8%	you pay
9 years	938	85.5%	you pay
10 years	712	90.6%	you pay
11 years	512	94.2%	you pay
12 years	364	96.8%	you pay
13 years	231	98.5%	you pay
14 years	135	99.4%	you pay
15 years	79	100%	you pay

ROWS 16·SOURCE NHTSA complaints with incident dates

Basic warranty on this car is 5 years / 60,000 miles. Only 36.1% of reported failures happen inside it — the remaining 63.9% come out of the owner's pocket. Powertrain cover (10 years / 100,000 miles) reaches further, but it only covers engine and transmission, and most complaints here are not either.

What actually fails

Systems by number of complaints, with the age at which each typically goes. The age column is the useful one — it tells you what to expect next on a car you already own, and what to inspect on one you are about to buy.

FIG.03·Hyundai Sonata — what fails and when
System	Complaints	Typical age	Crash	Fire
Engine	4424	6.6 yrs	76	315
Steering	2149	5 yrs	57	15
Air Bags	1814	6.2 yrs	293	14
Electrical System	1811	5.9 yrs	47	145
Unknown Or Other	1258	6.4 yrs	50	71
Service Brakes	1109	5.7 yrs	112	38
Power Train	965	5 yrs	43	16
Exterior Lighting	928	5.7 yrs	11	37

ROWS 8·SOURCE NHTSA complaints

What else in this class

Same vehicle class, so the comparison is fair — an estate against an estate, not against a coupé.

Dodge Charger

5,789 complaints on record

Chrysler 300

6,161 complaints on record

Kia K5

451 complaints on record

Chevrolet Impala

10,359 complaints on record

Tesla Roadster

2 complaints on record

Lincoln Continental

2,682 complaints on record

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How we measure it

Reliability scores usually arrive as a number out of five with no working shown. We publish the arithmetic instead, because two things about it are arguable and you should be able to argue with them.

Rate, not total. A model that sold three million units collects more complaints than one that sold thirty thousand, and that says nothing about either. So we divide by the number of production runs — the distinct first-eleven-character VIN prefixes on record. Across 1,100,006 complaints and 295,326 runs the market average works out at 3.72 per run.

Age, not year. Every complaint carries an incident date and a model year, so we can work out how old the car was when it failed. That is what the warranty question turns on, and it is why our «worst year» rankings exclude anything built in the last 6 years — those cars simply have not had time to break yet.

What this is not. A complaint to NHTSA is a deliberate act, so this measures serious faults, not paint that scratched. It says nothing about running costs or how nice a car is to own. And an absence of complaints on a rare model means an absence of owners, not excellence.

Related tools

Sonata problems in detail

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Frequently asked questions

Is the Hyundai Sonata reliable?

It draws 9.71 complaints per production run against 3.72 for the average car, so worse than typical. Failures cluster around 6 years of age.

What are the best and worst years for the Sonata?

Worst is 2013 at 24.38 complaints per run; best is 1989 at 1. Years newer than 6 are excluded — they have not had time to accumulate complaints.

How long does a Sonata last?

Complaints reach their halfway point at 6 years. That is when faults start being reported in volume, not when the car stops — but it is the point at which ownership starts costing money.

Will the warranty cover it?

Basic cover is 5 years / 60,000 miles, and 36.1% of reported failures fall inside it. The rest are yours.

What fails most often?

Engine with 4,424 complaints, typically at 6.6 years of age.

Complaint records from NHTSA, grouped by VIN production run (characters 1–11). Rates, age-at-failure and warranty coverage computed by ForCar. Model years newer than 6 years are excluded from rankings — complaints accumulate for a decade. Last updated Aug 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.