2004 Smart Roadster Light Auto — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

58.1%

Latest Pass Rate

284

Total Tests (All Years)

84,570 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 58.1%

Average: 54.3%

✅ 3.8% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2004 Smart Roadster Light Auto as it ages.

5 yrs70.0%

→ ↓5.1%

6 yrs64.9%

→ ↓13.5%

7 yrs51.4%

→ ↓1.4%

8 yrs50.0%

→ ↑1.3%

9 yrs51.3%

→ ↑1.8%

10 yrs53.1%

→ ↓6.2%

11 yrs46.9%

→ ↑11.2%

12 yrs58.1%

📊 View as table

Age	Pass Rate	Tests
5 yrs	70.0%	40
6 yrs	64.9%	37
7 yrs	51.4%	37
8 yrs	50.0%	36
9 yrs	51.3%	39
10 yrs	53.1%	32
11 yrs	46.9%	32
12 yrs	58.1%	31

Pass Rate Trend

How the 2004 Smart Roadster Light Auto pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (12 yrs)	58.1%	31
2015 (11 yrs)	46.9%	32
2014 (10 yrs)	53.1%	32
2013 (9 yrs)	51.3%	39
2012 (8 yrs)	50%	36
2011 (7 yrs)	51.4%	37
2010 (6 yrs)	64.9%	37
2009 (5 yrs)	70%	40

Year-by-Year MOT Results

2009

70.0%

Age (yrs) 5Tests 40Avg Mileage 40,439Top Failure Lamps, Reflectors and Electrical Equipment — 15.0%

2010High Fail Rate

64.9%

Age (yrs) 6Tests 37Avg Mileage 48,862Top Failure Lamps, Reflectors and Electrical Equipment — 24.3%

2011High Fail Rate

51.4%

Age (yrs) 7Tests 37Avg Mileage 57,172Top Failure Tyres — 24.3%

2012High Fail Rate

50.0%

Age (yrs) 8Tests 36Avg Mileage 64,106Top Failure Lamps, Reflectors and Electrical Equipment — 33.3%

2013High Fail Rate

51.3%

Age (yrs) 9Tests 39Avg Mileage 67,091Top Failure Lamps, Reflectors and Electrical Equipment — 82.1%

2014High Fail Rate

53.1%

Age (yrs) 10Tests 32Avg Mileage 71,316Top Failure Lamps, Reflectors and Electrical Equipment — 62.5%

2015High Fail Rate

46.9%

Age (yrs) 11Tests 32Avg Mileage 72,728Top Failure Brakes — 62.5%

2016High Fail Rate

58.1%

Age (yrs) 12Tests 31Avg Mileage 84,570Top Failure Brakes — 93.5%

MOT results for 2004 Smart Roadster Light Auto by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	70.0%	40	40,439	Lamps, Reflectors and Electrical Equipment — 15.0%
2010	6	64.9%	37	48,862	Lamps, Reflectors and Electrical Equipment — 24.3%
2011	7	51.4%	37	57,172	Tyres — 24.3%
2012	8	50.0%	36	64,106	Lamps, Reflectors and Electrical Equipment — 33.3%
2013	9	51.3%	39	67,091	Lamps, Reflectors and Electrical Equipment — 82.1%
2014	10	53.1%	32	71,316	Lamps, Reflectors and Electrical Equipment — 62.5%
2015	11	46.9%	32	72,728	Brakes — 62.5%
2016	12	58.1%	31	84,570	Brakes — 93.5%

Common MOT Failures

Top failure categories across all test years for 2004 Smart Roadster Light Auto, with age trends.

Lamps, Reflectors and Electrical Equipment

46.1%

↑ Increases with age

Brakes

43.0%

↑ Increases with age

Suspension

22.2%

↑ Increases with age

Tyres

21.2%

↑ Increases with age

Driver's View of the Road

14.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	2.5% (5 yrs)	93.5% (12 yrs)	+91.0%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	15.0% (5 yrs)	74.2% (12 yrs)	+59.2%	🔴 ↑
Tyres	5.0% (5 yrs)	41.9% (12 yrs)	+36.9%	🔴 ↑
Suspension	10.0% (5 yrs)	29.0% (12 yrs)	+19.0%	🔴 ↑

Other Manufacture Years

2004 2005

← Back to Smart Roadster Light Auto overview

Looking for the best year to buy? See the full comparison on the Smart Roadster Light Auto page →

About This Data

This page shows how Smart Roadster Light Auto cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2016, covering 284 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.