1998 Audi S4 — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

64.6%

Latest Pass Rate

2,038

Total Tests (All Years)

142,282 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 18

This car: 64.6%

Average: 54.3%

✅ 10.3% above average (8383 models compared)

How This Car Ages

Pass rate progression for the 1998 Audi S4 as it ages.

11 yrs55.1%

→ ↓0.5%

12 yrs54.6%

→ ↑2.0%

13 yrs56.6%

→ ↓4.9%

14 yrs51.7%

→ ↑1.9%

15 yrs53.6%

→ ↑3.5%

16 yrs57.1%

→ ↓3.1%

17 yrs54.0%

→ ↑10.6%

18 yrs64.6%

📊 View as table

Age	Pass Rate	Tests
11 yrs	55.1%	314
12 yrs	54.6%	304
13 yrs	56.6%	281
14 yrs	51.7%	259
15 yrs	53.6%	252
16 yrs	57.1%	217
17 yrs	54.0%	213
18 yrs	64.6%	198

Pass Rate Trend

How the 1998 Audi S4 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (18 yrs)	64.6%	198
2015 (17 yrs)	54%	213
2014 (16 yrs)	57.1%	217
2013 (15 yrs)	53.6%	252
2012 (14 yrs)	51.7%	259
2011 (13 yrs)	56.6%	281
2010 (12 yrs)	54.6%	304
2009 (11 yrs)	55.1%	314

Year-by-Year MOT Results

2009High Fail Rate

55.1%

Age (yrs) 11Tests 314Avg Mileage 111,191Top Failure Suspension — 29.6%

2010High Fail Rate

54.6%

Age (yrs) 12Tests 304Avg Mileage 115,944Top Failure Suspension — 28.6%

2011High Fail Rate

56.6%

Age (yrs) 13Tests 281Avg Mileage 122,283Top Failure Suspension — 27.8%

2012High Fail Rate

51.7%

Age (yrs) 14Tests 259Avg Mileage 125,100Top Failure Suspension — 31.7%

2013High Fail Rate

53.6%

Age (yrs) 15Tests 252Avg Mileage 127,839Top Failure Suspension — 68.3%

2014High Fail Rate

57.1%

Age (yrs) 16Tests 217Avg Mileage 133,276Top Failure Suspension — 62.7%

2015High Fail Rate

54.0%

Age (yrs) 17Tests 213Avg Mileage 134,789Top Failure Suspension — 74.2%

2016High Fail Rate

64.6%

Age (yrs) 18Tests 198Avg Mileage 142,282Top Failure Suspension — 46.0%

MOT results for 1998 Audi S4 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	55.1%	314	111,191	Suspension — 29.6%
2010	12	54.6%	304	115,944	Suspension — 28.6%
2011	13	56.6%	281	122,283	Suspension — 27.8%
2012	14	51.7%	259	125,100	Suspension — 31.7%
2013	15	53.6%	252	127,839	Suspension — 68.3%
2014	16	57.1%	217	133,276	Suspension — 62.7%
2015	17	54.0%	213	134,789	Suspension — 74.2%
2016	18	64.6%	198	142,282	Suspension — 46.0%

Common MOT Failures

Top failure categories across all test years for 1998 Audi S4, with age trends.

Suspension

46.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

36.4%

↑ Increases with age

Brakes

30.4%

↑ Increases with age

Tyres

18.5%

↑ Increases with age

Exhaust, Fuel and Emissions

17.5%

↑ 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
Lamps, Reflectors and Electrical Equipment	21.3% (11 yrs)	43.9% (18 yrs)	+22.6%	🔴 ↑
Suspension	29.6% (11 yrs)	46.0% (18 yrs)	+16.4%	🔴 ↑
Brakes	21.7% (11 yrs)	35.9% (18 yrs)	+14.2%	🔴 ↑
Tyres	13.7% (11 yrs)	24.2% (18 yrs)	+10.5%	🔴 ↑
Exhaust, Fuel and Emissions	10.8% (11 yrs)	19.2% (18 yrs)	+8.4%	🔴 ↑

Other Manufacture Years

1998 1999 2000 2001 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2017

← Back to Audi S4 overview

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About This Data

This page shows how Audi S4 cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2016, covering 2,038 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.