1984 Jaguar Xj6 — MOT History by Age

How cars manufactured in 1984 perform at MOT as they age

42 years

Current Age

75.8%

Latest Pass Rate

733

Total Tests (All Years)

87,475 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 1984 Jaguar Xj6 as it ages.

25 yrs60.5%

→ ↓2.8%

26 yrs57.7%

→ ↑5.3%

27 yrs63.0%

→ ↓3.3%

28 yrs59.7%

→ ↓3.2%

29 yrs56.5%

→ ↑9.1%

30 yrs65.6%

→ ↑7.0%

31 yrs72.6%

→ ↓7.0%

32 yrs65.6%

→ ↑2.8%

33 yrs68.4%

→ ↑7.4%

34 yrs75.8%

📊 View as table

Age	Pass Rate	Tests
25 yrs	60.5%	114
26 yrs	57.7%	104
27 yrs	63.0%	92
28 yrs	59.7%	77
29 yrs	56.5%	69
30 yrs	65.6%	61
31 yrs	72.6%	62
32 yrs	65.6%	64
33 yrs	68.4%	57
34 yrs	75.8%	33

Pass Rate Trend

How the 1984 Jaguar Xj6 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (34 yrs)	75.8%	33
2017 (33 yrs)	68.4%	57
2016 (32 yrs)	65.6%	64
2015 (31 yrs)	72.6%	62
2014 (30 yrs)	65.6%	61
2013 (29 yrs)	56.5%	69
2012 (28 yrs)	59.7%	77
2011 (27 yrs)	63%	92
2010 (26 yrs)	57.7%	104
2009 (25 yrs)	60.5%	114

Year-by-Year MOT Results

2009High Fail Rate

60.5%

Age (yrs) 25Tests 114Avg Mileage 80,914Top Failure Brakes — 23.7%

2010High Fail Rate

57.7%

Age (yrs) 26Tests 104Avg Mileage 80,227Top Failure Brakes — 23.1%

2011High Fail Rate

63.0%

Age (yrs) 27Tests 92Avg Mileage 80,330Top Failure Lamps, Reflectors and Electrical Equipment — 25.0%

2012High Fail Rate

59.7%

Age (yrs) 28Tests 77Avg Mileage 76,333Top Failure Brakes — 28.6%

2013High Fail Rate

56.5%

Age (yrs) 29Tests 69Avg Mileage 80,264Top Failure Brakes — 58.0%

2014

65.6%

Age (yrs) 30Tests 61Avg Mileage 79,625Top Failure Brakes — 63.9%

2015

72.6%

Age (yrs) 31Tests 62Avg Mileage 78,044Top Failure Suspension — 45.2%

2016

65.6%

Age (yrs) 32Tests 64Avg Mileage 77,676Top Failure Suspension — 46.9%

2017

68.4%

Age (yrs) 33Tests 57Avg Mileage 78,494Top Failure Brakes — 38.6%

2018

75.8%

Age (yrs) 34Tests 33Avg Mileage 87,475Top Failure Lamps, Reflectors and Electrical Equipment — 36.4%

MOT results for 1984 Jaguar Xj6 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	25	60.5%	114	80,914	Brakes — 23.7%
2010	26	57.7%	104	80,227	Brakes — 23.1%
2011	27	63.0%	92	80,330	Lamps, Reflectors and Electrical Equipment — 25.0%
2012	28	59.7%	77	76,333	Brakes — 28.6%
2013	29	56.5%	69	80,264	Brakes — 58.0%
2014	30	65.6%	61	79,625	Brakes — 63.9%
2015	31	72.6%	62	78,044	Suspension — 45.2%
2016	32	65.6%	64	77,676	Suspension — 46.9%
2017	33	68.4%	57	78,494	Brakes — 38.6%
2018	34	75.8%	33	87,475	Lamps, Reflectors and Electrical Equipment — 36.4%

Common MOT Failures

Top failure categories across all test years for 1984 Jaguar Xj6, with age trends.

Suspension

36.5%

↑ Increases with age

Brakes

35.5%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

25.8%

↑ Increases with age

Steering

18.1%

↑ Increases with age

Body, Structure and General Items

15.8%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Lamps, Reflectors and Electrical Equipment	19.3% (25 yrs)	36.4% (34 yrs)	+17.1%	🔴 ↑
Suspension	21.1% (25 yrs)	36.4% (34 yrs)	+15.3%	🔴 ↑
Brakes	23.7% (25 yrs)	15.2% (34 yrs)	-8.5%	🟢 ↓
Driver's View of the Road	13.2% (25 yrs)	6.1% (34 yrs)	-7.1%	🟢 ↓
Exhaust, Fuel and Emissions	16.7% (25 yrs)	18.2% (34 yrs)	+1.5%	⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Jaguar Xj6 page →

About This Data

This page shows how Jaguar Xj6 cars manufactured in 1984 perform at MOT as they age. Data spans from 2009 to 2018, covering 733 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.