1999 Hyundai Sonata — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

64.7%

Latest Pass Rate

2,287

Total Tests (All Years)

78,552 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 18

This car: 64.7%

Average: 54.3%

✅ 10.4% above average (8383 models compared)

How This Car Ages

Pass rate progression for the 1999 Hyundai Sonata as it ages.

10 yrs50.9%

→ ↓2.5%

11 yrs48.4%

→ ↓0.4%

12 yrs48.0%

→ ↑4.4%

13 yrs52.4%

→ ↓0.7%

14 yrs51.7%

→ ↓9.4%

15 yrs42.3%

→ ↑6.5%

16 yrs48.8%

→ ↑6.9%

17 yrs55.7%

→ ↑9.0%

18 yrs64.7%

📊 View as table

Age	Pass Rate	Tests
10 yrs	50.9%	685
11 yrs	48.4%	523
12 yrs	48.0%	371
13 yrs	52.4%	246
14 yrs	51.7%	174
15 yrs	42.3%	111
16 yrs	48.8%	82
17 yrs	55.7%	61
18 yrs	64.7%	34

Pass Rate Trend

How the 1999 Hyundai Sonata pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (18 yrs)	64.7%	34
2016 (17 yrs)	55.7%	61
2015 (16 yrs)	48.8%	82
2014 (15 yrs)	42.3%	111
2013 (14 yrs)	51.7%	174
2012 (13 yrs)	52.4%	246
2011 (12 yrs)	48%	371
2010 (11 yrs)	48.4%	523
2009 (10 yrs)	50.9%	685

Year-by-Year MOT Results

2009High Fail Rate

50.9%

Age (yrs) 10Tests 685Avg Mileage 80,038Top Failure Brakes — 29.3%

2010High Fail Rate

48.4%

Age (yrs) 11Tests 523Avg Mileage 81,492Top Failure Brakes — 33.7%

2011High Fail Rate

48.0%

Age (yrs) 12Tests 371Avg Mileage 82,696Top Failure Brakes — 31.5%

2012High Fail Rate

52.4%

Age (yrs) 13Tests 246Avg Mileage 81,485Top Failure Brakes — 31.7%

2013High Fail Rate

51.7%

Age (yrs) 14Tests 174Avg Mileage 80,855Top Failure Brakes — 82.8%

2014High Fail Rate

42.3%

Age (yrs) 15Tests 111Avg Mileage 79,410Top Failure Brakes — 82.0%

2015High Fail Rate

48.8%

Age (yrs) 16Tests 82Avg Mileage 76,598Top Failure Brakes — 76.8%

2016High Fail Rate

55.7%

Age (yrs) 17Tests 61Avg Mileage 74,867Top Failure Lamps, Reflectors and Electrical Equipment — 49.2%

2017High Fail Rate

64.7%

Age (yrs) 18Tests 34Avg Mileage 78,552Top Failure Suspension — 38.2%

MOT results for 1999 Hyundai Sonata by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	50.9%	685	80,038	Brakes — 29.3%
2010	11	48.4%	523	81,492	Brakes — 33.7%
2011	12	48.0%	371	82,696	Brakes — 31.5%
2012	13	52.4%	246	81,485	Brakes — 31.7%
2013	14	51.7%	174	80,855	Brakes — 82.8%
2014	15	42.3%	111	79,410	Brakes — 82.0%
2015	16	48.8%	82	76,598	Brakes — 76.8%
2016	17	55.7%	61	74,867	Lamps, Reflectors and Electrical Equipment — 49.2%
2017	18	64.7%	34	78,552	Suspension — 38.2%

Common MOT Failures

Top failure categories across all test years for 1999 Hyundai Sonata, with age trends.

Brakes

48.5%

↑ Increases with age

Suspension

38.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

37.1%

↑ Increases with age

Tyres

16.7%

↓ Decreases with age

Exhaust, Fuel and Emissions

14.2%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	20.9% (10 yrs)	38.2% (18 yrs)	+17.3%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	25.0% (10 yrs)	35.3% (18 yrs)	+10.3%	🔴 ↑
Tyres	15.9% (10 yrs)	8.8% (18 yrs)	-7.1%	🟢 ↓
Brakes	29.3% (10 yrs)	32.4% (18 yrs)	+3.1%	🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Hyundai Sonata page →

About This Data

This page shows how Hyundai Sonata cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2017, covering 2,287 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.