1999 Jeep Wrangler 4.0 Sahara — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

58.1%

Latest Pass Rate

824

Total Tests (All Years)

89,002 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1999 Jeep Wrangler 4.0 Sahara as it ages.

10 yrs65.6%

→ ↓2.3%

11 yrs63.3%

→ ↑4.4%

12 yrs67.7%

→ ↓7.4%

13 yrs60.3%

→ ↓11.1%

14 yrs49.2%

→ ↑1.7%

15 yrs50.9%

→ ↑10.6%

16 yrs61.5%

→ ↓4.4%

17 yrs57.1%

→ ↓0.0%

18 yrs57.1%

→ ↑7.8%

19 yrs64.9%

→ ↓6.6%

20 yrs58.3%

→ ↓11.2%

21 yrs47.1%

→ ↑17.2%

22 yrs64.3%

→ ↓14.3%

23 yrs50.0%

→ ↑10.5%

24 yrs60.5%

→ ↓2.4%

25 yrs58.1%

📊 View as table

Age	Pass Rate	Tests
10 yrs	65.6%	64
11 yrs	63.3%	60
12 yrs	67.7%	62
13 yrs	60.3%	58
14 yrs	49.2%	59
15 yrs	50.9%	57
16 yrs	61.5%	52
17 yrs	57.1%	49
18 yrs	57.1%	49
19 yrs	64.9%	37
20 yrs	58.3%	36
21 yrs	47.1%	34
22 yrs	64.3%	42
23 yrs	50.0%	36
24 yrs	60.5%	43
25 yrs	58.1%	86

Pass Rate Trend

How the 1999 Jeep Wrangler 4.0 Sahara pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (25 yrs)	58.1%	86
2023 (24 yrs)	60.5%	43
2022 (23 yrs)	50%	36
2021 (22 yrs)	64.3%	42
2020 (21 yrs)	47.1%	34
2019 (20 yrs)	58.3%	36
2018 (19 yrs)	64.9%	37
2017 (18 yrs)	57.1%	49
2016 (17 yrs)	57.1%	49
2015 (16 yrs)	61.5%	52
2014 (15 yrs)	50.9%	57
2013 (14 yrs)	49.2%	59
2012 (13 yrs)	60.3%	58
2011 (12 yrs)	67.7%	62
2010 (11 yrs)	63.3%	60
2009 (10 yrs)	65.6%	64

Year-by-Year MOT Results

2009

65.6%

Age (yrs) 10Tests 64Avg Mileage 59,476Top Failure Lamps, Reflectors and Electrical Equipment — 20.3%

2010High Fail Rate

63.3%

Age (yrs) 11Tests 60Avg Mileage 60,222Top Failure Brakes — 20.0%

2011

67.7%

Age (yrs) 12Tests 62Avg Mileage 64,640Top Failure Suspension — 19.4%

2012High Fail Rate

60.3%

Age (yrs) 13Tests 58Avg Mileage 66,336Top Failure Brakes — 27.6%

2013High Fail Rate

49.2%

Age (yrs) 14Tests 59Avg Mileage 70,348Top Failure Brakes — 83.1%

2014High Fail Rate

50.9%

Age (yrs) 15Tests 57Avg Mileage 72,161Top Failure Brakes — 82.5%

2015High Fail Rate

61.5%

Age (yrs) 16Tests 52Avg Mileage 79,564Top Failure Brakes — 75.0%

2016High Fail Rate

57.1%

Age (yrs) 17Tests 49Avg Mileage 77,064Top Failure Suspension — 71.4%

2017High Fail Rate

57.1%

Age (yrs) 18Tests 49Avg Mileage 80,637Top Failure Brakes — 42.9%

2018High Fail Rate

64.9%

Age (yrs) 19Tests 37Avg Mileage 78,135Top Failure Suspension — 32.4%

2019High Fail Rate

58.3%

Age (yrs) 20Tests 36Avg Mileage 77,048Top Failure Brakes — 58.3%

2020High Fail Rate

47.1%

Age (yrs) 21Tests 34Avg Mileage 82,994Top Failure Suspension — 126.5%

2021High Fail Rate

64.3%

Age (yrs) 22Tests 42Avg Mileage 80,323Top Failure Suspension — 81.0%

2022High Fail Rate

50.0%

Age (yrs) 23Tests 36Avg Mileage 83,133Top Failure Suspension — 111.1%

2023High Fail Rate

60.5%

Age (yrs) 24Tests 43Avg Mileage 88,820Top Failure Suspension — 104.7%

2024High Fail Rate

58.1%

Age (yrs) 25Tests 86Avg Mileage 89,002Top Failure Suspension — 97.7%

MOT results for 1999 Jeep Wrangler 4.0 Sahara by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	65.6%	64	59,476	Lamps, Reflectors and Electrical Equipment — 20.3%
2010	11	63.3%	60	60,222	Brakes — 20.0%
2011	12	67.7%	62	64,640	Suspension — 19.4%
2012	13	60.3%	58	66,336	Brakes — 27.6%
2013	14	49.2%	59	70,348	Brakes — 83.1%
2014	15	50.9%	57	72,161	Brakes — 82.5%
2015	16	61.5%	52	79,564	Brakes — 75.0%
2016	17	57.1%	49	77,064	Suspension — 71.4%
2017	18	57.1%	49	80,637	Brakes — 42.9%
2018	19	64.9%	37	78,135	Suspension — 32.4%
2019	20	58.3%	36	77,048	Brakes — 58.3%
2020	21	47.1%	34	82,994	Suspension — 126.5%
2021	22	64.3%	42	80,323	Suspension — 81.0%
2022	23	50.0%	36	83,133	Suspension — 111.1%
2023	24	60.5%	43	88,820	Suspension — 104.7%
2024	25	58.1%	86	89,002	Suspension — 97.7%

Common MOT Failures

Top failure categories across all test years for 1999 Jeep Wrangler 4.0 Sahara, with age trends.

Suspension

57.9%

↑ Increases with age

Brakes

52.1%

↑ Increases with age

Lamps, reflectors and electrical equipment

43.4%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

29.9%

↑ Increases with age

Body, chassis, structure

28.2%

↑ Increases 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	15.6% (10 yrs)	97.7% (25 yrs)	+82.1%	🔴 ↑
Brakes	18.8% (10 yrs)	74.4% (25 yrs)	+55.6%	🔴 ↑

Other Manufacture Years

1997 1998 1999

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About This Data

This page shows how Jeep Wrangler 4.0 Sahara cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2024, covering 824 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.