1999 Audi S4 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

75.3%

Latest Pass Rate

3,860

Total Tests (All Years)

163,759 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 1999 Audi S4 as it ages.

10 yrs58.9%

→ ↓2.1%

11 yrs56.8%

→ ↑2.1%

12 yrs58.9%

→ ↑0.9%

13 yrs59.8%

→ ↓4.5%

14 yrs55.3%

→ ↑2.7%

15 yrs58.0%

→ ↓1.3%

16 yrs56.7%

→ ↑7.0%

17 yrs63.7%

→ ↓6.0%

18 yrs57.7%

→ ↑3.2%

19 yrs60.9%

→ ↓0.9%

20 yrs60.0%

→ ↑23.7%

21 yrs83.7%

→ ↓17.6%

22 yrs66.1%

→ ↑7.5%

23 yrs73.6%

→ ↑2.7%

24 yrs76.3%

→ ↓1.0%

25 yrs75.3%

📊 View as table

Age	Pass Rate	Tests
10 yrs	58.9%	508
11 yrs	56.8%	486
12 yrs	58.9%	465
13 yrs	59.8%	448
14 yrs	55.3%	407
15 yrs	58.0%	386
16 yrs	56.7%	360
17 yrs	63.7%	331
18 yrs	57.7%	78
19 yrs	60.9%	46
20 yrs	60.0%	50
21 yrs	83.7%	43
22 yrs	66.1%	59
23 yrs	73.6%	53
24 yrs	76.3%	59
25 yrs	75.3%	81

Pass Rate Trend

How the 1999 Audi S4 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (25 yrs)	75.3%	81
2023 (24 yrs)	76.3%	59
2022 (23 yrs)	73.6%	53
2021 (22 yrs)	66.1%	59
2020 (21 yrs)	83.7%	43
2019 (20 yrs)	60%	50
2018 (19 yrs)	60.9%	46
2017 (18 yrs)	57.7%	78
2016 (17 yrs)	63.7%	331
2015 (16 yrs)	56.7%	360
2014 (15 yrs)	58%	386
2013 (14 yrs)	55.3%	407
2012 (13 yrs)	59.8%	448
2011 (12 yrs)	58.9%	465
2010 (11 yrs)	56.8%	486
2009 (10 yrs)	58.9%	508

Year-by-Year MOT Results

2009High Fail Rate

58.9%

Age (yrs) 10Tests 508Avg Mileage 111,101Top Failure Suspension — 26.6%

2010High Fail Rate

56.8%

Age (yrs) 11Tests 486Avg Mileage 115,770Top Failure Suspension — 26.7%

2011High Fail Rate

58.9%

Age (yrs) 12Tests 465Avg Mileage 121,524Top Failure Suspension — 25.8%

2012High Fail Rate

59.8%

Age (yrs) 13Tests 448Avg Mileage 127,354Top Failure Suspension — 28.1%

2013High Fail Rate

55.3%

Age (yrs) 14Tests 407Avg Mileage 132,249Top Failure Suspension — 58.5%

2014High Fail Rate

58.0%

Age (yrs) 15Tests 386Avg Mileage 137,124Top Failure Suspension — 60.9%

2015High Fail Rate

56.7%

Age (yrs) 16Tests 360Avg Mileage 139,335Top Failure Suspension — 54.7%

2016High Fail Rate

63.7%

Age (yrs) 17Tests 331Avg Mileage 143,876Top Failure Suspension — 50.2%

2017High Fail Rate

57.7%

Age (yrs) 18Tests 78Avg Mileage 149,697Top Failure Lamps, Reflectors and Electrical Equipment — 50.0%

2018High Fail Rate

60.9%

Age (yrs) 19Tests 46Avg Mileage 148,919Top Failure Lamps, reflectors and electrical equipment — 58.7%

2019High Fail Rate

60.0%

Age (yrs) 20Tests 50Avg Mileage 154,645Top Failure Suspension — 56.0%

2020

83.7%

Age (yrs) 21Tests 43Avg Mileage 149,370Top Failure Suspension — 23.3%

2021

66.1%

Age (yrs) 22Tests 59Avg Mileage 159,521Top Failure Brakes — 40.7%

2022

73.6%

Age (yrs) 23Tests 53Avg Mileage 158,205Top Failure Lamps, reflectors and electrical equipment — 50.9%

2023

76.3%

Age (yrs) 24Tests 59Avg Mileage 161,147Top Failure Suspension — 42.4%

2024

75.3%

Age (yrs) 25Tests 81Avg Mileage 163,759Top Failure Tyres — 19.8%

MOT results for 1999 Audi S4 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	58.9%	508	111,101	Suspension — 26.6%
2010	11	56.8%	486	115,770	Suspension — 26.7%
2011	12	58.9%	465	121,524	Suspension — 25.8%
2012	13	59.8%	448	127,354	Suspension — 28.1%
2013	14	55.3%	407	132,249	Suspension — 58.5%
2014	15	58.0%	386	137,124	Suspension — 60.9%
2015	16	56.7%	360	139,335	Suspension — 54.7%
2016	17	63.7%	331	143,876	Suspension — 50.2%
2017	18	57.7%	78	149,697	Lamps, Reflectors and Electrical Equipment — 50.0%
2018	19	60.9%	46	148,919	Lamps, reflectors and electrical equipment — 58.7%
2019	20	60.0%	50	154,645	Suspension — 56.0%
2020	21	83.7%	43	149,370	Suspension — 23.3%
2021	22	66.1%	59	159,521	Brakes — 40.7%
2022	23	73.6%	53	158,205	Lamps, reflectors and electrical equipment — 50.9%
2023	24	76.3%	59	161,147	Suspension — 42.4%
2024	25	75.3%	81	163,759	Tyres — 19.8%

Common MOT Failures

Top failure categories across all test years for 1999 Audi S4, with age trends.

Suspension

38.4%

↓ Decreases with age

Lamps, reflectors and electrical equipment

33.6%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

31.3%

— Consistent

Brakes

26.1%

↓ Decreases with age

Noise, emissions and leaks

24.3%

↑ 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
Suspension	26.6% (10 yrs)	18.5% (25 yrs)	-8.1%	🟢 ↓
Tyres	11.8% (10 yrs)	19.8% (25 yrs)	+8.0%	🔴 ↑
Brakes	19.7% (10 yrs)	16.0% (25 yrs)	-3.7%	🟢 ↓

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

Looking for the best year to buy? See the full comparison on the Audi S4 page →

About This Data

This page shows how Audi S4 cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2024, covering 3,860 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.