1984 Jaguar Xjs — MOT History by Age

How cars manufactured in 1984 perform at MOT as they age

42 years

Current Age

88.3%

Latest Pass Rate

1,403

Total Tests (All Years)

69,414 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Xjs

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1984 Jaguar Xjs as it ages.

25 yrs57.4%

→ ↑0.7%

26 yrs58.1%

→ ↑8.0%

27 yrs66.1%

→ ↑0.2%

28 yrs66.3%

→ ↑1.4%

29 yrs67.7%

→ ↓7.9%

30 yrs59.8%

→ ↑5.8%

31 yrs65.6%

→ ↑6.3%

32 yrs71.9%

→ ↑0.6%

33 yrs72.5%

→ ↓0.8%

34 yrs71.7%

→ ↑13.1%

35 yrs84.8%

→ ↓7.0%

36 yrs77.8%

→ ↓10.2%

37 yrs67.6%

→ ↓5.8%

38 yrs61.8%

→ ↑21.0%

39 yrs82.8%

→ ↑5.5%

40 yrs88.3%

📊 View as table

Age	Pass Rate	Tests
25 yrs	57.4%	136
26 yrs	58.1%	124
27 yrs	66.1%	109
28 yrs	66.3%	104
29 yrs	67.7%	99
30 yrs	59.8%	92
31 yrs	65.6%	93
32 yrs	71.9%	89
33 yrs	72.5%	91
34 yrs	71.7%	53
35 yrs	84.8%	66
36 yrs	77.8%	54
37 yrs	67.6%	71
38 yrs	61.8%	55
39 yrs	82.8%	64
40 yrs	88.3%	103

Pass Rate Trend

How the 1984 Jaguar Xjs pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (40 yrs)	88.3%	103
2023 (39 yrs)	82.8%	64
2022 (38 yrs)	61.8%	55
2021 (37 yrs)	67.6%	71
2020 (36 yrs)	77.8%	54
2019 (35 yrs)	84.8%	66
2018 (34 yrs)	71.7%	53
2017 (33 yrs)	72.5%	91
2016 (32 yrs)	71.9%	89
2015 (31 yrs)	65.6%	93
2014 (30 yrs)	59.8%	92
2013 (29 yrs)	67.7%	99
2012 (28 yrs)	66.3%	104
2011 (27 yrs)	66.1%	109
2010 (26 yrs)	58.1%	124
2009 (25 yrs)	57.4%	136

Year-by-Year MOT Results

2009High Fail Rate

57.4%

Age (yrs) 25Tests 136Avg Mileage 76,723Top Failure Brakes — 28.7%

2010High Fail Rate

58.1%

Age (yrs) 26Tests 124Avg Mileage 77,272Top Failure Suspension — 21.8%

2011

66.1%

Age (yrs) 27Tests 109Avg Mileage 75,474Top Failure Lamps, Reflectors and Electrical Equipment — 22.9%

2012

66.3%

Age (yrs) 28Tests 104Avg Mileage 77,704Top Failure Brakes — 26.9%

2013

67.7%

Age (yrs) 29Tests 99Avg Mileage 78,100Top Failure Lamps, Reflectors and Electrical Equipment — 45.5%

2014High Fail Rate

59.8%

Age (yrs) 30Tests 92Avg Mileage 76,439Top Failure Suspension — 62.0%

2015

65.6%

Age (yrs) 31Tests 93Avg Mileage 74,157Top Failure Suspension — 48.4%

2016

71.9%

Age (yrs) 32Tests 89Avg Mileage 75,249Top Failure Suspension — 50.6%

2017

72.5%

Age (yrs) 33Tests 91Avg Mileage 74,373Top Failure Lamps, Reflectors and Electrical Equipment — 31.9%

2018

71.7%

Age (yrs) 34Tests 53Avg Mileage 70,577Top Failure Brakes — 37.7%

2019

84.8%

Age (yrs) 35Tests 66Avg Mileage 72,462Top Failure Lamps, reflectors and electrical equipment — 28.8%

2020

77.8%

Age (yrs) 36Tests 54Avg Mileage 70,811Top Failure Lamps, reflectors and electrical equipment — 24.1%

2021

67.6%

Age (yrs) 37Tests 71Avg Mileage 69,690Top Failure Suspension — 40.8%

2022High Fail Rate

61.8%

Age (yrs) 38Tests 55Avg Mileage 72,692Top Failure Suspension — 67.3%

2023

82.8%

Age (yrs) 39Tests 64Avg Mileage 73,160Top Failure Suspension — 29.7%

2024

88.3%

Age (yrs) 40Tests 103Avg Mileage 69,414Top Failure Lamps, reflectors and electrical equipment — 11.7%

MOT results for 1984 Jaguar Xjs by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	25	57.4%	136	76,723	Brakes — 28.7%
2010	26	58.1%	124	77,272	Suspension — 21.8%
2011	27	66.1%	109	75,474	Lamps, Reflectors and Electrical Equipment — 22.9%
2012	28	66.3%	104	77,704	Brakes — 26.9%
2013	29	67.7%	99	78,100	Lamps, Reflectors and Electrical Equipment — 45.5%
2014	30	59.8%	92	76,439	Suspension — 62.0%
2015	31	65.6%	93	74,157	Suspension — 48.4%
2016	32	71.9%	89	75,249	Suspension — 50.6%
2017	33	72.5%	91	74,373	Lamps, Reflectors and Electrical Equipment — 31.9%
2018	34	71.7%	53	70,577	Brakes — 37.7%
2019	35	84.8%	66	72,462	Lamps, reflectors and electrical equipment — 28.8%
2020	36	77.8%	54	70,811	Lamps, reflectors and electrical equipment — 24.1%
2021	37	67.6%	71	69,690	Suspension — 40.8%
2022	38	61.8%	55	72,692	Suspension — 67.3%
2023	39	82.8%	64	73,160	Suspension — 29.7%
2024	40	88.3%	103	69,414	Lamps, reflectors and electrical equipment — 11.7%

Common MOT Failures

Top failure categories across all test years for 1984 Jaguar Xjs, with age trends.

Suspension

33.1%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

31.7%

↑ Increases with age

Brakes

25.8%

↓ Decreases with age

Lamps, reflectors and electrical equipment

23.9%

↓ Decreases with age

Noise, emissions and leaks

14.3%

↓ 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
Brakes	28.7% (25 yrs)	5.8% (40 yrs)	-22.9%	🟢 ↓
Suspension	21.3% (25 yrs)	9.7% (40 yrs)	-11.6%	🟢 ↓

Other Manufacture Years

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996

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About This Data

This page shows how Jaguar Xjs cars manufactured in 1984 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,403 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.