1991 Lexus Ls400 — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

73.3%

Latest Pass Rate

1,140

Total Tests (All Years)

143,223 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 Lexus Ls400 as it ages.

18 yrs63.1%

→ ↓2.4%

19 yrs60.7%

→ ↓0.1%

20 yrs60.6%

→ ↑2.1%

21 yrs62.7%

→ ↓0.8%

22 yrs61.9%

→ ↑2.7%

23 yrs64.6%

→ ↓0.0%

24 yrs64.6%

→ ↑11.3%

25 yrs75.9%

→ ↑2.7%

26 yrs78.6%

→ ↓5.3%

28 yrs73.3%

📊 View as table

Age	Pass Rate	Tests
18 yrs	63.1%	263
19 yrs	60.7%	224
20 yrs	60.6%	165
21 yrs	62.7%	118
22 yrs	61.9%	97
23 yrs	64.6%	82
24 yrs	64.6%	65
25 yrs	75.9%	54
26 yrs	78.6%	42
28 yrs	73.3%	30

Pass Rate Trend

How the 1991 Lexus Ls400 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2019 (28 yrs)	73.3%	30
2017 (26 yrs)	78.6%	42
2016 (25 yrs)	75.9%	54
2015 (24 yrs)	64.6%	65
2014 (23 yrs)	64.6%	82
2013 (22 yrs)	61.9%	97
2012 (21 yrs)	62.7%	118
2011 (20 yrs)	60.6%	165
2010 (19 yrs)	60.7%	224
2009 (18 yrs)	63.1%	263

Year-by-Year MOT Results

2009High Fail Rate

63.1%

Age (yrs) 18Tests 263Avg Mileage 146,517Top Failure Brakes — 21.3%

2010High Fail Rate

60.7%

Age (yrs) 19Tests 224Avg Mileage 143,692Top Failure Brakes — 23.2%

2011High Fail Rate

60.6%

Age (yrs) 20Tests 165Avg Mileage 141,387Top Failure Brakes — 22.4%

2012High Fail Rate

62.7%

Age (yrs) 21Tests 118Avg Mileage 139,072Top Failure Brakes — 22.0%

2013High Fail Rate

61.9%

Age (yrs) 22Tests 97Avg Mileage 140,988Top Failure Lamps, Reflectors and Electrical Equipment — 34.0%

2014High Fail Rate

64.6%

Age (yrs) 23Tests 82Avg Mileage 142,225Top Failure Suspension — 53.7%

2015High Fail Rate

64.6%

Age (yrs) 24Tests 65Avg Mileage 135,077Top Failure Suspension — 56.9%

2016

75.9%

Age (yrs) 25Tests 54Avg Mileage 128,058Top Failure Suspension — 24.1%

2017

78.6%

Age (yrs) 26Tests 42Avg Mileage 132,809Top Failure Suspension — 28.6%

2019

73.3%

Age (yrs) 28Tests 30Avg Mileage 143,223Top Failure Noise, emissions and leaks — 26.7%

MOT results for 1991 Lexus Ls400 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	63.1%	263	146,517	Brakes — 21.3%
2010	19	60.7%	224	143,692	Brakes — 23.2%
2011	20	60.6%	165	141,387	Brakes — 22.4%
2012	21	62.7%	118	139,072	Brakes — 22.0%
2013	22	61.9%	97	140,988	Lamps, Reflectors and Electrical Equipment — 34.0%
2014	23	64.6%	82	142,225	Suspension — 53.7%
2015	24	64.6%	65	135,077	Suspension — 56.9%
2016	25	75.9%	54	128,058	Suspension — 24.1%
2017	26	78.6%	42	132,809	Suspension — 28.6%
2019	28	73.3%	30	143,223	Noise, emissions and leaks — 26.7%

Common MOT Failures

Top failure categories across all test years for 1991 Lexus Ls400, with age trends.

Suspension

28.6%

— Consistent

Noise, emissions and leaks

26.7%

— Consistent

Brakes

23.7%

— Consistent

Lamps, Reflectors and Electrical Equipment

22.1%

↑ Increases with age

Tyres

15.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	17.9% (18 yrs)	20.0% (28 yrs)	+2.1%	🔴 ↑
Brakes	21.3% (18 yrs)	23.3% (28 yrs)	+2.0%	🔴 ↑
Tyres	14.8% (18 yrs)	13.3% (28 yrs)	-1.5%	⚪ —

Other Manufacture Years

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

← Back to Lexus Ls400 overview

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About This Data

This page shows how Lexus Ls400 cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2019, covering 1,140 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.