2005 Alfa Romeo 166 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

55.6%

Latest Pass Rate

1,158

Total Tests (All Years)

100,969 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 55.6%

Average: 55.4%

✅ 0.2% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 2005 Alfa Romeo 166 as it ages.

4 yrs64.6%

→ ↓3.7%

5 yrs60.9%

→ ↓0.9%

6 yrs60.0%

→ ↓1.3%

7 yrs58.7%

→ ↓8.2%

8 yrs50.5%

→ ↓2.6%

9 yrs47.9%

→ ↑8.1%

10 yrs56.0%

→ ↓1.1%

11 yrs54.9%

→ ↑1.2%

12 yrs56.1%

→ ↓6.1%

13 yrs50.0%

→ ↑5.2%

14 yrs55.2%

→ ↑8.2%

15 yrs63.4%

→ ↑1.9%

16 yrs65.3%

→ ↓5.8%

17 yrs59.5%

→ ↑10.8%

18 yrs70.3%

→ ↓14.7%

19 yrs55.6%

📊 View as table

Age	Pass Rate	Tests
4 yrs	64.6%	99
5 yrs	60.9%	92
6 yrs	60.0%	90
7 yrs	58.7%	92
8 yrs	50.5%	91
9 yrs	47.9%	96
10 yrs	56.0%	91
11 yrs	54.9%	91
12 yrs	56.1%	82
13 yrs	50.0%	62
14 yrs	55.2%	58
15 yrs	63.4%	41
16 yrs	65.3%	49
17 yrs	59.5%	42
18 yrs	70.3%	37
19 yrs	55.6%	45

Pass Rate Trend

How the 2005 Alfa Romeo 166 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (19 yrs)	55.6%	45
2023 (18 yrs)	70.3%	37
2022 (17 yrs)	59.5%	42
2021 (16 yrs)	65.3%	49
2020 (15 yrs)	63.4%	41
2019 (14 yrs)	55.2%	58
2018 (13 yrs)	50%	62
2017 (12 yrs)	56.1%	82
2016 (11 yrs)	54.9%	91
2015 (10 yrs)	56%	91
2014 (9 yrs)	47.9%	96
2013 (8 yrs)	50.5%	91
2012 (7 yrs)	58.7%	92
2011 (6 yrs)	60%	90
2010 (5 yrs)	60.9%	92
2009 (4 yrs)	64.6%	99

Year-by-Year MOT Results

2009High Fail Rate

64.6%

Age (yrs) 4Tests 99Avg Mileage 39,976Top Failure Brakes — 18.2%

2010High Fail Rate

60.9%

Age (yrs) 5Tests 92Avg Mileage 50,017Top Failure Tyres — 19.6%

2011High Fail Rate

60.0%

Age (yrs) 6Tests 90Avg Mileage 57,419Top Failure Lamps, Reflectors and Electrical Equipment — 22.2%

2012High Fail Rate

58.7%

Age (yrs) 7Tests 92Avg Mileage 64,587Top Failure Brakes — 25.0%

2013High Fail Rate

50.5%

Age (yrs) 8Tests 91Avg Mileage 71,629Top Failure Brakes — 61.5%

2014High Fail Rate

47.9%

Age (yrs) 9Tests 96Avg Mileage 78,100Top Failure Brakes — 63.5%

2015High Fail Rate

56.0%

Age (yrs) 10Tests 91Avg Mileage 84,455Top Failure Brakes — 49.5%

2016High Fail Rate

54.9%

Age (yrs) 11Tests 91Avg Mileage 90,125Top Failure Suspension — 48.4%

2017High Fail Rate

56.1%

Age (yrs) 12Tests 82Avg Mileage 98,939Top Failure Suspension — 41.5%

2018High Fail Rate

50.0%

Age (yrs) 13Tests 62Avg Mileage 98,533Top Failure Brakes — 69.4%

2019High Fail Rate

55.2%

Age (yrs) 14Tests 58Avg Mileage 107,745Top Failure Brakes — 55.2%

2020High Fail Rate

63.4%

Age (yrs) 15Tests 41Avg Mileage 110,032Top Failure Brakes — 73.2%

2021

65.3%

Age (yrs) 16Tests 49Avg Mileage 112,292Top Failure Brakes — 81.6%

2022High Fail Rate

59.5%

Age (yrs) 17Tests 42Avg Mileage 107,754Top Failure Brakes — 71.4%

2023

70.3%

Age (yrs) 18Tests 37Avg Mileage 105,726Top Failure Brakes — 73.0%

2024High Fail Rate

55.6%

Age (yrs) 19Tests 45Avg Mileage 100,969Top Failure Brakes — 55.6%

MOT results for 2005 Alfa Romeo 166 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	64.6%	99	39,976	Brakes — 18.2%
2010	5	60.9%	92	50,017	Tyres — 19.6%
2011	6	60.0%	90	57,419	Lamps, Reflectors and Electrical Equipment — 22.2%
2012	7	58.7%	92	64,587	Brakes — 25.0%
2013	8	50.5%	91	71,629	Brakes — 61.5%
2014	9	47.9%	96	78,100	Brakes — 63.5%
2015	10	56.0%	91	84,455	Brakes — 49.5%
2016	11	54.9%	91	90,125	Suspension — 48.4%
2017	12	56.1%	82	98,939	Suspension — 41.5%
2018	13	50.0%	62	98,533	Brakes — 69.4%
2019	14	55.2%	58	107,745	Brakes — 55.2%
2020	15	63.4%	41	110,032	Brakes — 73.2%
2021	16	65.3%	49	112,292	Brakes — 81.6%
2022	17	59.5%	42	107,754	Brakes — 71.4%
2023	18	70.3%	37	105,726	Brakes — 73.0%
2024	19	55.6%	45	100,969	Brakes — 55.6%

Common MOT Failures

Top failure categories across all test years for 2005 Alfa Romeo 166, with age trends.

Brakes

51.2%

↑ Increases with age

Suspension

38.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

33.4%

— Consistent

Lamps, Reflectors and Electrical Equipment

29.5%

↑ Increases with age

Tyres

24.4%

↑ 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
Brakes	18.2% (4 yrs)	55.6% (19 yrs)	+37.4%	🔴 ↑
Tyres	12.1% (4 yrs)	28.9% (19 yrs)	+16.8%	🔴 ↑

Other Manufacture Years

1999 2000 2001 2002 2003 2004 2005

← Back to Alfa Romeo 166 overview

Looking for the best year to buy? See the full comparison on the Alfa Romeo 166 page →

About This Data

This page shows how Alfa Romeo 166 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,158 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.