1991 Audi 100 — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

84.6%

Latest Pass Rate

882

Total Tests (All Years)

118,820 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 100

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1991 Audi 100 as it ages.

18 yrs45.6%

→ ↑1.3%

19 yrs46.9%

→ ↑8.7%

20 yrs55.6%

→ ↓9.5%

21 yrs46.1%

→ ↑0.5%

22 yrs46.6%

→ ↑8.8%

23 yrs55.4%

→ ↑3.1%

24 yrs58.5%

→ ↑17.1%

25 yrs75.6%

→ ↓20.0%

26 yrs55.6%

→ ↑29.0%

33 yrs84.6%

📊 View as table

Age	Pass Rate	Tests
18 yrs	45.6%	215
19 yrs	46.9%	175
20 yrs	55.6%	117
21 yrs	46.1%	89
22 yrs	46.6%	73
23 yrs	55.4%	56
24 yrs	58.5%	41
25 yrs	75.6%	41
26 yrs	55.6%	36
33 yrs	84.6%	39

Pass Rate Trend

How the 1991 Audi 100 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (33 yrs)	84.6%	39
2017 (26 yrs)	55.6%	36
2016 (25 yrs)	75.6%	41
2015 (24 yrs)	58.5%	41
2014 (23 yrs)	55.4%	56
2013 (22 yrs)	46.6%	73
2012 (21 yrs)	46.1%	89
2011 (20 yrs)	55.6%	117
2010 (19 yrs)	46.9%	175
2009 (18 yrs)	45.6%	215

Year-by-Year MOT Results

2009High Fail Rate

45.6%

Age (yrs) 18Tests 215Avg Mileage 135,419Top Failure Brakes — 35.3%

2010High Fail Rate

46.9%

Age (yrs) 19Tests 175Avg Mileage 138,220Top Failure Brakes — 38.3%

2011High Fail Rate

55.6%

Age (yrs) 20Tests 117Avg Mileage 137,929Top Failure Suspension — 30.8%

2012High Fail Rate

46.1%

Age (yrs) 21Tests 89Avg Mileage 140,257Top Failure Suspension — 36.0%

2013High Fail Rate

46.6%

Age (yrs) 22Tests 73Avg Mileage 135,033Top Failure Brakes — 68.5%

2014High Fail Rate

55.4%

Age (yrs) 23Tests 56Avg Mileage 137,238Top Failure Brakes — 66.1%

2015High Fail Rate

58.5%

Age (yrs) 24Tests 41Avg Mileage 129,488Top Failure Brakes — 39.0%

2016

75.6%

Age (yrs) 25Tests 41Avg Mileage 133,560Top Failure Brakes — 51.2%

2017High Fail Rate

55.6%

Age (yrs) 26Tests 36Avg Mileage 146,067Top Failure Suspension — 113.9%

2024

84.6%

Age (yrs) 33Tests 39Avg Mileage 118,820Top Failure Tyres — 25.6%

MOT results for 1991 Audi 100 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	45.6%	215	135,419	Brakes — 35.3%
2010	19	46.9%	175	138,220	Brakes — 38.3%
2011	20	55.6%	117	137,929	Suspension — 30.8%
2012	21	46.1%	89	140,257	Suspension — 36.0%
2013	22	46.6%	73	135,033	Brakes — 68.5%
2014	23	55.4%	56	137,238	Brakes — 66.1%
2015	24	58.5%	41	129,488	Brakes — 39.0%
2016	25	75.6%	41	133,560	Brakes — 51.2%
2017	26	55.6%	36	146,067	Suspension — 113.9%
2024	33	84.6%	39	118,820	Tyres — 25.6%

Common MOT Failures

Top failure categories across all test years for 1991 Audi 100, with age trends.

Suspension

47.0%

↑ Increases with age

Brakes

44.3%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

24.9%

↑ Increases with age

Tyres

23.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

20.5%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	35.3% (18 yrs)	10.3% (33 yrs)	-25.0%	🟢 ↓

Other Manufacture Years

1986 1987 1988 1989 1990 1991 1992 1993 1994

← Back to Audi 100 overview

Looking for the best year to buy? See the full comparison on the Audi 100 page →

About This Data

This page shows how Audi 100 cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2024, covering 882 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.