2003 Alfa Romeo 166 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

41.7%

Latest Pass Rate

906

Total Tests (All Years)

97,528 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 41.7%

Average: 52.4%

⚠️ 10.7% below average (11197 models compared)

How This Car Ages

Pass rate progression for the 2003 Alfa Romeo 166 as it ages.

6 yrs50.4%

→ ↑6.0%

7 yrs56.4%

→ ↓5.6%

8 yrs50.8%

→ ↓9.7%

9 yrs41.1%

→ ↑4.5%

10 yrs45.6%

→ ↓1.6%

11 yrs44.0%

→ ↑3.9%

12 yrs47.9%

→ ↑1.3%

13 yrs49.2%

→ ↓5.2%

14 yrs44.0%

→ ↓2.3%

15 yrs41.7%

📊 View as table

Age	Pass Rate	Tests
6 yrs	50.4%	131
7 yrs	56.4%	133
8 yrs	50.8%	128
9 yrs	41.1%	107
10 yrs	45.6%	103
11 yrs	44.0%	84
12 yrs	47.9%	73
13 yrs	49.2%	61
14 yrs	44.0%	50
15 yrs	41.7%	36

Pass Rate Trend

How the 2003 Alfa Romeo 166 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (15 yrs)	41.7%	36
2017 (14 yrs)	44%	50
2016 (13 yrs)	49.2%	61
2015 (12 yrs)	47.9%	73
2014 (11 yrs)	44%	84
2013 (10 yrs)	45.6%	103
2012 (9 yrs)	41.1%	107
2011 (8 yrs)	50.8%	128
2010 (7 yrs)	56.4%	133
2009 (6 yrs)	50.4%	131

Year-by-Year MOT Results

2009High Fail Rate

50.4%

Age (yrs) 6Tests 131Avg Mileage 63,719Top Failure Brakes — 27.5%

2010High Fail Rate

56.4%

Age (yrs) 7Tests 133Avg Mileage 72,426Top Failure Brakes — 25.6%

2011High Fail Rate

50.8%

Age (yrs) 8Tests 128Avg Mileage 77,694Top Failure Brakes — 30.5%

2012High Fail Rate

41.1%

Age (yrs) 9Tests 107Avg Mileage 81,095Top Failure Lamps, Reflectors and Electrical Equipment — 43.0%

2013High Fail Rate

45.6%

Age (yrs) 10Tests 103Avg Mileage 85,771Top Failure Suspension — 75.7%

2014High Fail Rate

44.0%

Age (yrs) 11Tests 84Avg Mileage 88,929Top Failure Brakes — 101.2%

2015High Fail Rate

47.9%

Age (yrs) 12Tests 73Avg Mileage 88,910Top Failure Brakes — 90.4%

2016High Fail Rate

49.2%

Age (yrs) 13Tests 61Avg Mileage 97,588Top Failure Brakes — 47.5%

2017High Fail Rate

44.0%

Age (yrs) 14Tests 50Avg Mileage 91,563Top Failure Brakes — 116.0%

2018High Fail Rate

41.7%

Age (yrs) 15Tests 36Avg Mileage 97,528Top Failure Brakes — 133.3%

MOT results for 2003 Alfa Romeo 166 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	50.4%	131	63,719	Brakes — 27.5%
2010	7	56.4%	133	72,426	Brakes — 25.6%
2011	8	50.8%	128	77,694	Brakes — 30.5%
2012	9	41.1%	107	81,095	Lamps, Reflectors and Electrical Equipment — 43.0%
2013	10	45.6%	103	85,771	Suspension — 75.7%
2014	11	44.0%	84	88,929	Brakes — 101.2%
2015	12	47.9%	73	88,910	Brakes — 90.4%
2016	13	49.2%	61	97,588	Brakes — 47.5%
2017	14	44.0%	50	91,563	Brakes — 116.0%
2018	15	41.7%	36	97,528	Brakes — 133.3%

Common MOT Failures

Top failure categories across all test years for 2003 Alfa Romeo 166, with age trends.

Brakes

68.2%

↑ Increases with age

Suspension

41.5%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

38.9%

— Consistent

Lamps, reflectors and electrical equipment

27.8%

— Consistent

Tyres

26.1%

↑ 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	27.5% (6 yrs)	133.3% (15 yrs)	+105.8%	🔴 ↑
Suspension	14.5% (6 yrs)	50.0% (15 yrs)	+35.5%	🔴 ↑
Tyres	16.8% (6 yrs)	22.2% (15 yrs)	+5.4%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	25.2% (6 yrs)	22.2% (15 yrs)	-3.0%	🟢 ↓

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 2003 perform at MOT as they age. Data spans from 2009 to 2018, covering 906 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.