2003 MG Zt-t — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

49.2%

Latest Pass Rate

13,790

Total Tests (All Years)

134,106 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 2003 MG Zt-t as it ages.

6 yrs64.3%

→ ↓3.1%

7 yrs61.2%

→ ↓5.0%

8 yrs56.2%

→ ↓3.4%

9 yrs52.8%

→ ↓4.2%

10 yrs48.6%

→ ↑2.6%

11 yrs51.2%

→ ↓0.6%

12 yrs50.6%

→ ↑1.0%

13 yrs51.6%

→ ↑0.6%

14 yrs52.2%

→ ↑1.5%

15 yrs53.7%

→ ↑0.8%

16 yrs54.5%

→ ↓0.3%

17 yrs54.2%

→ ↓3.8%

18 yrs50.4%

→ ↑4.6%

19 yrs55.0%

→ ↑2.8%

20 yrs57.8%

→ ↓8.6%

21 yrs49.2%

📊 View as table

Age	Pass Rate	Tests
6 yrs	64.3%	1,614
7 yrs	61.2%	1,534
8 yrs	56.2%	1,529
9 yrs	52.8%	1,455
10 yrs	48.6%	1,368
11 yrs	51.2%	1,247
12 yrs	50.6%	1,111
13 yrs	51.6%	952
14 yrs	52.2%	786
15 yrs	53.7%	430
16 yrs	54.5%	391
17 yrs	54.2%	334
18 yrs	50.4%	353
19 yrs	55.0%	231
20 yrs	57.8%	256
21 yrs	49.2%	199

Pass Rate Trend

How the 2003 MG Zt-t pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	49.2%	199
2023 (20 yrs)	57.8%	256
2022 (19 yrs)	55%	231
2021 (18 yrs)	50.4%	353
2020 (17 yrs)	54.2%	334
2019 (16 yrs)	54.5%	391
2018 (15 yrs)	53.7%	430
2017 (14 yrs)	52.2%	786
2016 (13 yrs)	51.6%	952
2015 (12 yrs)	50.6%	1,111
2014 (11 yrs)	51.2%	1,247
2013 (10 yrs)	48.6%	1,368
2012 (9 yrs)	52.8%	1,455
2011 (8 yrs)	56.2%	1,529
2010 (7 yrs)	61.2%	1,534
2009 (6 yrs)	64.3%	1,614

Year-by-Year MOT Results

2009High Fail Rate

64.3%

Age (yrs) 6Tests 1,614Avg Mileage 72,622Top Failure Brakes — 20.9%

2010High Fail Rate

61.2%

Age (yrs) 7Tests 1,534Avg Mileage 82,761Top Failure Brakes — 21.0%

2011High Fail Rate

56.2%

Age (yrs) 8Tests 1,529Avg Mileage 90,479Top Failure Brakes — 26.0%

2012High Fail Rate

52.8%

Age (yrs) 9Tests 1,455Avg Mileage 96,587Top Failure Brakes — 29.9%

2013High Fail Rate

48.6%

Age (yrs) 10Tests 1,368Avg Mileage 106,085Top Failure Brakes — 88.4%

2014High Fail Rate

51.2%

Age (yrs) 11Tests 1,247Avg Mileage 109,813Top Failure Brakes — 89.3%

2015High Fail Rate

50.6%

Age (yrs) 12Tests 1,111Avg Mileage 117,177Top Failure Brakes — 87.7%

2016High Fail Rate

51.6%

Age (yrs) 13Tests 952Avg Mileage 124,882Top Failure Brakes — 78.3%

2017High Fail Rate

52.2%

Age (yrs) 14Tests 786Avg Mileage 134,608Top Failure Brakes — 95.3%

2018High Fail Rate

53.7%

Age (yrs) 15Tests 430Avg Mileage 131,808Top Failure Brakes — 84.9%

2019High Fail Rate

54.5%

Age (yrs) 16Tests 391Avg Mileage 136,370Top Failure Brakes — 77.7%

2020High Fail Rate

54.2%

Age (yrs) 17Tests 334Avg Mileage 143,712Top Failure Brakes — 94.9%

2021High Fail Rate

50.4%

Age (yrs) 18Tests 353Avg Mileage 142,477Top Failure Suspension — 94.6%

2022High Fail Rate

55.0%

Age (yrs) 19Tests 231Avg Mileage 136,504Top Failure Suspension — 89.6%

2023High Fail Rate

57.8%

Age (yrs) 20Tests 256Avg Mileage 136,988Top Failure Suspension — 77.3%

2024High Fail Rate

49.2%

Age (yrs) 21Tests 199Avg Mileage 134,106Top Failure Suspension — 85.9%

MOT results for 2003 MG Zt-t by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	64.3%	1,614	72,622	Brakes — 20.9%
2010	7	61.2%	1,534	82,761	Brakes — 21.0%
2011	8	56.2%	1,529	90,479	Brakes — 26.0%
2012	9	52.8%	1,455	96,587	Brakes — 29.9%
2013	10	48.6%	1,368	106,085	Brakes — 88.4%
2014	11	51.2%	1,247	109,813	Brakes — 89.3%
2015	12	50.6%	1,111	117,177	Brakes — 87.7%
2016	13	51.6%	952	124,882	Brakes — 78.3%
2017	14	52.2%	786	134,608	Brakes — 95.3%
2018	15	53.7%	430	131,808	Brakes — 84.9%
2019	16	54.5%	391	136,370	Brakes — 77.7%
2020	17	54.2%	334	143,712	Brakes — 94.9%
2021	18	50.4%	353	142,477	Suspension — 94.6%
2022	19	55.0%	231	136,504	Suspension — 89.6%
2023	20	57.8%	256	136,988	Suspension — 77.3%
2024	21	49.2%	199	134,106	Suspension — 85.9%

Common MOT Failures

Top failure categories across all test years for 2003 MG Zt-t, with age trends.

Brakes

68.1%

↑ Increases with age

Suspension

55.5%

↑ Increases with age

Lamps, reflectors and electrical equipment

43.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

34.8%

↑ Increases with age

Tyres

27.5%

↑ 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	7.1% (6 yrs)	85.9% (21 yrs)	+78.8%	🔴 ↑
Brakes	20.9% (6 yrs)	74.9% (21 yrs)	+54.0%	🔴 ↑
Tyres	14.5% (6 yrs)	30.7% (21 yrs)	+16.2%	🔴 ↑

Other Manufacture Years

2001 2002 2003 2004 2005 2006

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About This Data

This page shows how MG Zt-t cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2024, covering 13,790 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.