2001 Alfa Romeo 166 — MOT History by Age

How cars manufactured in 2001 perform at MOT as they age

25 years

Current Age

72.1%

Latest Pass Rate

2,214

Total Tests (All Years)

101,889 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 2001 Alfa Romeo 166 as it ages.

8 yrs45.1%

→ ↓1.7%

9 yrs43.4%

→ ↓4.6%

10 yrs38.8%

→ ↑0.8%

11 yrs39.6%

→ ↑1.0%

12 yrs40.6%

→ ↑1.6%

13 yrs42.2%

→ ↑7.8%

14 yrs50.0%

→ ↓15.2%

15 yrs34.8%

→ ↑10.1%

16 yrs44.9%

→ ↑3.0%

17 yrs47.9%

→ ↑8.9%

18 yrs56.8%

→ ↓0.5%

19 yrs56.3%

→ ↑9.6%

20 yrs65.9%

→ ↓13.1%

21 yrs52.8%

→ ↑14.9%

22 yrs67.7%

→ ↑4.4%

23 yrs72.1%

📊 View as table

Age	Pass Rate	Tests
8 yrs	45.1%	408
9 yrs	43.4%	373
10 yrs	38.8%	317
11 yrs	39.6%	230
12 yrs	40.6%	197
13 yrs	42.2%	154
14 yrs	50.0%	100
15 yrs	34.8%	89
16 yrs	44.9%	78
17 yrs	47.9%	48
18 yrs	56.8%	37
19 yrs	56.3%	32
20 yrs	65.9%	41
21 yrs	52.8%	36
22 yrs	67.7%	31
23 yrs	72.1%	43

Pass Rate Trend

How the 2001 Alfa Romeo 166 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (23 yrs)	72.1%	43
2023 (22 yrs)	67.7%	31
2022 (21 yrs)	52.8%	36
2021 (20 yrs)	65.9%	41
2020 (19 yrs)	56.3%	32
2019 (18 yrs)	56.8%	37
2018 (17 yrs)	47.9%	48
2017 (16 yrs)	44.9%	78
2016 (15 yrs)	34.8%	89
2015 (14 yrs)	50%	100
2014 (13 yrs)	42.2%	154
2013 (12 yrs)	40.6%	197
2012 (11 yrs)	39.6%	230
2011 (10 yrs)	38.8%	317
2010 (9 yrs)	43.4%	373
2009 (8 yrs)	45.1%	408

Year-by-Year MOT Results

2009High Fail Rate

45.1%

Age (yrs) 8Tests 408Avg Mileage 82,635Top Failure Brakes — 32.8%

2010High Fail Rate

43.4%

Age (yrs) 9Tests 373Avg Mileage 90,362Top Failure Lamps, Reflectors and Electrical Equipment — 38.1%

2011High Fail Rate

38.8%

Age (yrs) 10Tests 317Avg Mileage 92,519Top Failure Brakes — 36.9%

2012High Fail Rate

39.6%

Age (yrs) 11Tests 230Avg Mileage 99,456Top Failure Lamps, Reflectors and Electrical Equipment — 35.7%

2013High Fail Rate

40.6%

Age (yrs) 12Tests 197Avg Mileage 92,882Top Failure Brakes — 110.7%

2014High Fail Rate

42.2%

Age (yrs) 13Tests 154Avg Mileage 100,971Top Failure Brakes — 126.6%

2015High Fail Rate

50.0%

Age (yrs) 14Tests 100Avg Mileage 100,020Top Failure Suspension — 95.0%

2016High Fail Rate

34.8%

Age (yrs) 15Tests 89Avg Mileage 97,878Top Failure Brakes — 102.2%

2017High Fail Rate

44.9%

Age (yrs) 16Tests 78Avg Mileage 101,685Top Failure Suspension — 91.0%

2018High Fail Rate

47.9%

Age (yrs) 17Tests 48Avg Mileage 99,995Top Failure Brakes — 79.2%

2019High Fail Rate

56.8%

Age (yrs) 18Tests 37Avg Mileage 101,264Top Failure Lamps, reflectors and electrical equipment — 67.6%

2020High Fail Rate

56.3%

Age (yrs) 19Tests 32Avg Mileage 105,492Top Failure Brakes — 43.8%

2021

65.9%

Age (yrs) 20Tests 41Avg Mileage 98,688Top Failure Brakes — 56.1%

2022High Fail Rate

52.8%

Age (yrs) 21Tests 36Avg Mileage 103,092Top Failure Brakes — 88.9%

2023

67.7%

Age (yrs) 22Tests 31Avg Mileage 96,872Top Failure Lamps, reflectors and electrical equipment — 41.9%

2024

72.1%

Age (yrs) 23Tests 43Avg Mileage 101,889Top Failure Suspension — 39.5%

MOT results for 2001 Alfa Romeo 166 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	8	45.1%	408	82,635	Brakes — 32.8%
2010	9	43.4%	373	90,362	Lamps, Reflectors and Electrical Equipment — 38.1%
2011	10	38.8%	317	92,519	Brakes — 36.9%
2012	11	39.6%	230	99,456	Lamps, Reflectors and Electrical Equipment — 35.7%
2013	12	40.6%	197	92,882	Brakes — 110.7%
2014	13	42.2%	154	100,971	Brakes — 126.6%
2015	14	50.0%	100	100,020	Suspension — 95.0%
2016	15	34.8%	89	97,878	Brakes — 102.2%
2017	16	44.9%	78	101,685	Suspension — 91.0%
2018	17	47.9%	48	99,995	Brakes — 79.2%
2019	18	56.8%	37	101,264	Lamps, reflectors and electrical equipment — 67.6%
2020	19	56.3%	32	105,492	Brakes — 43.8%
2021	20	65.9%	41	98,688	Brakes — 56.1%
2022	21	52.8%	36	103,092	Brakes — 88.9%
2023	22	67.7%	31	96,872	Lamps, reflectors and electrical equipment — 41.9%
2024	23	72.1%	43	101,889	Suspension — 39.5%

Common MOT Failures

Top failure categories across all test years for 2001 Alfa Romeo 166, with age trends.

Brakes

63.1%

↑ Increases with age

Suspension

58.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

49.0%

↓ Decreases with age

Lamps, reflectors and electrical equipment

42.5%

↑ Increases with age

Tyres

28.1%

↓ Decreases 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	28.9% (8 yrs)	39.5% (23 yrs)	+10.6%	🔴 ↑
Brakes	32.8% (8 yrs)	37.2% (23 yrs)	+4.4%	🔴 ↑

Other Manufacture Years

1999 2000 2001 2002 2003 2004 2005

← Back to Alfa Romeo 166 overview

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About This Data

This page shows how Alfa Romeo 166 cars manufactured in 2001 perform at MOT as they age. Data spans from 2009 to 2024, covering 2,214 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.