1986 Bentley Eight — MOT History by Age

How cars manufactured in 1986 perform at MOT as they age

40 years

Current Age

81.8%

Latest Pass Rate

429

Total Tests (All Years)

95,007 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 1986 Bentley Eight as it ages.

23 yrs67.2%

→ ↑3.5%

24 yrs70.7%

→ ↑0.4%

25 yrs71.1%

→ ↓5.1%

26 yrs66.0%

→ ↑0.7%

27 yrs66.7%

→ ↓7.1%

28 yrs59.6%

→ ↑9.0%

29 yrs68.6%

→ ↑16.0%

30 yrs84.6%

→ ↓2.8%

31 yrs81.8%

📊 View as table

Age	Pass Rate	Tests
23 yrs	67.2%	58
24 yrs	70.7%	58
25 yrs	71.1%	45
26 yrs	66.0%	50
27 yrs	66.7%	48
28 yrs	59.6%	47
29 yrs	68.6%	51
30 yrs	84.6%	39
31 yrs	81.8%	33

Pass Rate Trend

How the 1986 Bentley Eight pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (31 yrs)	81.8%	33
2016 (30 yrs)	84.6%	39
2015 (29 yrs)	68.6%	51
2014 (28 yrs)	59.6%	47
2013 (27 yrs)	66.7%	48
2012 (26 yrs)	66%	50
2011 (25 yrs)	71.1%	45
2010 (24 yrs)	70.7%	58
2009 (23 yrs)	67.2%	58

Year-by-Year MOT Results

2009

67.2%

Age (yrs) 23Tests 58Avg Mileage 88,782Top Failure Brakes — 27.6%

2010

70.7%

Age (yrs) 24Tests 58Avg Mileage 93,846Top Failure Brakes — 19.0%

2011

71.1%

Age (yrs) 25Tests 45Avg Mileage 91,625Top Failure Brakes — 24.4%

2012

66.0%

Age (yrs) 26Tests 50Avg Mileage 96,083Top Failure Brakes — 26.0%

2013

66.7%

Age (yrs) 27Tests 48Avg Mileage 92,731Top Failure Brakes — 37.5%

2014High Fail Rate

59.6%

Age (yrs) 28Tests 47Avg Mileage 95,968Top Failure Brakes — 53.2%

2015

68.6%

Age (yrs) 29Tests 51Avg Mileage 99,005Top Failure Suspension — 49.0%

2016

84.6%

Age (yrs) 30Tests 39Avg Mileage 99,317Top Failure Lamps, Reflectors and Electrical Equipment — 28.2%

2017

81.8%

Age (yrs) 31Tests 33Avg Mileage 95,007Top Failure Steering — 24.2%

MOT results for 1986 Bentley Eight by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	23	67.2%	58	88,782	Brakes — 27.6%
2010	24	70.7%	58	93,846	Brakes — 19.0%
2011	25	71.1%	45	91,625	Brakes — 24.4%
2012	26	66.0%	50	96,083	Brakes — 26.0%
2013	27	66.7%	48	92,731	Brakes — 37.5%
2014	28	59.6%	47	95,968	Brakes — 53.2%
2015	29	68.6%	51	99,005	Suspension — 49.0%
2016	30	84.6%	39	99,317	Lamps, Reflectors and Electrical Equipment — 28.2%
2017	31	81.8%	33	95,007	Steering — 24.2%

Common MOT Failures

Top failure categories across all test years for 1986 Bentley Eight, with age trends.

Brakes

28.9%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

24.6%

— Consistent

Suspension

23.8%

— Consistent

Body, Structure and General Items

17.0%

— Consistent

Steering

14.0%

↑ 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
Brakes	27.6% (23 yrs)	9.1% (31 yrs)	-18.5%	🟢 ↓
Steering	13.8% (23 yrs)	24.2% (31 yrs)	+10.4%	🔴 ↑
Exhaust, Fuel and Emissions	13.8% (23 yrs)	9.1% (31 yrs)	-4.7%	🟢 ↓
Suspension	20.7% (23 yrs)	21.2% (31 yrs)	+0.5%	⚪ —
Lamps, Reflectors and Electrical Equipment	15.5% (23 yrs)	15.2% (31 yrs)	-0.3%	⚪ —

Other Manufacture Years

1985 1986 1987 1988 1989 1990 1991 1992

← Back to Bentley Eight overview

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About This Data

This page shows how Bentley Eight cars manufactured in 1986 perform at MOT as they age. Data spans from 2009 to 2017, covering 429 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.