1991 Bentley Turbo — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

81.6%

Latest Pass Rate

1,308

Total Tests (All Years)

88,223 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 1991 Bentley Turbo as it ages.

18 yrs60.7%

→ ↑3.0%

19 yrs63.7%

→ ↑6.0%

20 yrs69.7%

→ ↓7.1%

21 yrs62.6%

→ ↑7.0%

22 yrs69.6%

→ ↑2.7%

23 yrs72.3%

→ ↑1.0%

24 yrs73.3%

→ ↓2.2%

25 yrs71.1%

→ ↓2.9%

26 yrs68.2%

→ ↑0.1%

27 yrs68.3%

→ ↑15.3%

28 yrs83.6%

→ ↓0.7%

29 yrs82.9%

→ ↑3.4%

30 yrs86.3%

→ ↓12.4%

31 yrs73.9%

→ ↑8.1%

32 yrs82.0%

→ ↓0.4%

33 yrs81.6%

📊 View as table

Age	Pass Rate	Tests
18 yrs	60.7%	112
19 yrs	63.7%	102
20 yrs	69.7%	109
21 yrs	62.6%	99
22 yrs	69.6%	92
23 yrs	72.3%	94
24 yrs	73.3%	90
25 yrs	71.1%	83
26 yrs	68.2%	88
27 yrs	68.3%	60
28 yrs	83.6%	55
29 yrs	82.9%	41
30 yrs	86.3%	51
31 yrs	73.9%	46
32 yrs	82.0%	50
33 yrs	81.6%	136

Pass Rate Trend

How the 1991 Bentley Turbo pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (33 yrs)	81.6%	136
2023 (32 yrs)	82%	50
2022 (31 yrs)	73.9%	46
2021 (30 yrs)	86.3%	51
2020 (29 yrs)	82.9%	41
2019 (28 yrs)	83.6%	55
2018 (27 yrs)	68.3%	60
2017 (26 yrs)	68.2%	88
2016 (25 yrs)	71.1%	83
2015 (24 yrs)	73.3%	90
2014 (23 yrs)	72.3%	94
2013 (22 yrs)	69.6%	92
2012 (21 yrs)	62.6%	99
2011 (20 yrs)	69.7%	109
2010 (19 yrs)	63.7%	102
2009 (18 yrs)	60.7%	112

Year-by-Year MOT Results

2009High Fail Rate

60.7%

Age (yrs) 18Tests 112Avg Mileage 81,525Top Failure Brakes — 28.6%

2010High Fail Rate

63.7%

Age (yrs) 19Tests 102Avg Mileage 81,925Top Failure Lamps, Reflectors and Electrical Equipment — 19.6%

2011

69.7%

Age (yrs) 20Tests 109Avg Mileage 84,428Top Failure Brakes — 19.3%

2012High Fail Rate

62.6%

Age (yrs) 21Tests 99Avg Mileage 87,556Top Failure Brakes — 25.3%

2013

69.6%

Age (yrs) 22Tests 92Avg Mileage 89,001Top Failure Brakes — 41.3%

2014

72.3%

Age (yrs) 23Tests 94Avg Mileage 86,888Top Failure Brakes — 45.7%

2015

73.3%

Age (yrs) 24Tests 90Avg Mileage 88,318Top Failure Brakes — 47.8%

2016

71.1%

Age (yrs) 25Tests 83Avg Mileage 89,833Top Failure Suspension — 38.6%

2017

68.2%

Age (yrs) 26Tests 88Avg Mileage 89,303Top Failure Suspension — 52.3%

2018

68.3%

Age (yrs) 27Tests 60Avg Mileage 91,179Top Failure Brakes — 60.0%

2019

83.6%

Age (yrs) 28Tests 55Avg Mileage 94,195Top Failure Brakes — 27.3%

2020

82.9%

Age (yrs) 29Tests 41Avg Mileage 86,615Top Failure Brakes — 31.7%

2021

86.3%

Age (yrs) 30Tests 51Avg Mileage 85,588Top Failure Brakes — 15.7%

2022

73.9%

Age (yrs) 31Tests 46Avg Mileage 89,524Top Failure Suspension — 37.0%

2023

82.0%

Age (yrs) 32Tests 50Avg Mileage 86,900Top Failure Suspension — 32.0%

2024

81.6%

Age (yrs) 33Tests 136Avg Mileage 88,223Top Failure Suspension — 8.8%

MOT results for 1991 Bentley Turbo by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	60.7%	112	81,525	Brakes — 28.6%
2010	19	63.7%	102	81,925	Lamps, Reflectors and Electrical Equipment — 19.6%
2011	20	69.7%	109	84,428	Brakes — 19.3%
2012	21	62.6%	99	87,556	Brakes — 25.3%
2013	22	69.6%	92	89,001	Brakes — 41.3%
2014	23	72.3%	94	86,888	Brakes — 45.7%
2015	24	73.3%	90	88,318	Brakes — 47.8%
2016	25	71.1%	83	89,833	Suspension — 38.6%
2017	26	68.2%	88	89,303	Suspension — 52.3%
2018	27	68.3%	60	91,179	Brakes — 60.0%
2019	28	83.6%	55	94,195	Brakes — 27.3%
2020	29	82.9%	41	86,615	Brakes — 31.7%
2021	30	86.3%	51	85,588	Brakes — 15.7%
2022	31	73.9%	46	89,524	Suspension — 37.0%
2023	32	82.0%	50	86,900	Suspension — 32.0%
2024	33	81.6%	136	88,223	Suspension — 8.8%

Common MOT Failures

Top failure categories across all test years for 1991 Bentley Turbo, with age trends.

Brakes

29.4%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

26.9%

↑ Increases with age

Suspension

25.0%

↓ Decreases with age

Lamps, reflectors and electrical equipment

17.1%

↓ Decreases with age

Body, chassis, structure

17.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	28.6% (18 yrs)	5.9% (33 yrs)	-22.7%	🟢 ↓
Suspension	17.9% (18 yrs)	8.8% (33 yrs)	-9.1%	🟢 ↓

Other Manufacture Years

1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998

← Back to Bentley Turbo overview

Looking for the best year to buy? See the full comparison on the Bentley Turbo page →

About This Data

This page shows how Bentley Turbo cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,308 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.