1991 Bentley Mulsanne — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

82.4%

Latest Pass Rate

444

Total Tests (All Years)

81,968 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 Mulsanne as it ages.

18 yrs75.6%

→ ↓16.6%

19 yrs59.0%

→ ↓6.7%

20 yrs52.3%

→ ↑8.2%

21 yrs60.5%

→ ↑13.9%

22 yrs74.4%

→ ↓2.6%

23 yrs71.8%

→ ↓11.8%

24 yrs60.0%

→ ↑6.7%

25 yrs66.7%

→ ↓0.0%

26 yrs66.7%

→ ↑3.3%

27 yrs70.0%

→ ↑12.4%

33 yrs82.4%

📊 View as table

Age	Pass Rate	Tests
18 yrs	75.6%	45
19 yrs	59.0%	39
20 yrs	52.3%	44
21 yrs	60.5%	38
22 yrs	74.4%	43
23 yrs	71.8%	39
24 yrs	60.0%	40
25 yrs	66.7%	36
26 yrs	66.7%	39
27 yrs	70.0%	30
33 yrs	82.4%	51

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (33 yrs)	82.4%	51
2018 (27 yrs)	70%	30
2017 (26 yrs)	66.7%	39
2016 (25 yrs)	66.7%	36
2015 (24 yrs)	60%	40
2014 (23 yrs)	71.8%	39
2013 (22 yrs)	74.4%	43
2012 (21 yrs)	60.5%	38
2011 (20 yrs)	52.3%	44
2010 (19 yrs)	59%	39
2009 (18 yrs)	75.6%	45

Year-by-Year MOT Results

2009

75.6%

Age (yrs) 18Tests 45Avg Mileage 86,283Top Failure Brakes — 20.0%

2010High Fail Rate

59.0%

Age (yrs) 19Tests 39Avg Mileage 87,354Top Failure Brakes — 28.2%

2011High Fail Rate

52.3%

Age (yrs) 20Tests 44Avg Mileage 87,139Top Failure Brakes — 31.8%

2012High Fail Rate

60.5%

Age (yrs) 21Tests 38Avg Mileage 80,526Top Failure Brakes — 23.7%

2013

74.4%

Age (yrs) 22Tests 43Avg Mileage 88,764Top Failure Brakes — 27.9%

2014

71.8%

Age (yrs) 23Tests 39Avg Mileage 86,358Top Failure Brakes — 56.4%

2015High Fail Rate

60.0%

Age (yrs) 24Tests 40Avg Mileage 91,483Top Failure Brakes — 57.5%

2016

66.7%

Age (yrs) 25Tests 36Avg Mileage 89,771Top Failure Brakes — 44.4%

2017

66.7%

Age (yrs) 26Tests 39Avg Mileage 90,120Top Failure Brakes — 38.5%

2018

70.0%

Age (yrs) 27Tests 30Avg Mileage 88,532Top Failure Suspension — 50.0%

2024

82.4%

Age (yrs) 33Tests 51Avg Mileage 81,968Top Failure Brakes — 11.8%

MOT results for 1991 Bentley Mulsanne by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	75.6%	45	86,283	Brakes — 20.0%
2010	19	59.0%	39	87,354	Brakes — 28.2%
2011	20	52.3%	44	87,139	Brakes — 31.8%
2012	21	60.5%	38	80,526	Brakes — 23.7%
2013	22	74.4%	43	88,764	Brakes — 27.9%
2014	23	71.8%	39	86,358	Brakes — 56.4%
2015	24	60.0%	40	91,483	Brakes — 57.5%
2016	25	66.7%	36	89,771	Brakes — 44.4%
2017	26	66.7%	39	90,120	Brakes — 38.5%
2018	27	70.0%	30	88,532	Suspension — 50.0%
2024	33	82.4%	51	81,968	Brakes — 11.8%

Common MOT Failures

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

Brakes

33.0%

↓ Decreases with age

Suspension

29.7%

↓ Decreases with age

Lamps, reflectors and electrical equipment

27.6%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

22.1%

↑ Increases with age

Tyres

15.0%

↑ 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	20.0% (18 yrs)	11.8% (33 yrs)	-8.2%	🟢 ↓
Steering	4.4% (18 yrs)	9.8% (33 yrs)	+5.4%	🔴 ↑
Suspension	15.6% (18 yrs)	11.8% (33 yrs)	-3.8%	🟢 ↓

Other Manufacture Years

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

About This Data

This page shows how Bentley Mulsanne cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2024, covering 444 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.