2003 MG Zt+ — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

61.7%

Latest Pass Rate

28,123

Total Tests (All Years)

104,067 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+ as it ages.

6 yrs63.0%

→ ↓4.9%

7 yrs58.1%

→ ↓2.7%

8 yrs55.4%

→ ↓3.2%

9 yrs52.2%

→ ↓3.1%

10 yrs49.1%

→ ↓0.2%

11 yrs48.9%

→ ↑4.8%

12 yrs53.7%

→ ↓2.4%

13 yrs51.3%

→ ↑2.6%

14 yrs53.9%

→ ↑0.4%

15 yrs54.3%

→ ↑3.4%

16 yrs57.7%

→ ↑1.9%

17 yrs59.6%

→ ↓4.1%

18 yrs55.5%

→ ↑5.9%

19 yrs61.4%

→ ↑0.3%

20 yrs61.7%

→ ↓0.0%

21 yrs61.7%

📊 View as table

Age	Pass Rate	Tests
6 yrs	63.0%	3,739
7 yrs	58.1%	3,580
8 yrs	55.4%	3,502
9 yrs	52.2%	3,252
10 yrs	49.1%	2,917
11 yrs	48.9%	2,498
12 yrs	53.7%	2,133
13 yrs	51.3%	1,788
14 yrs	53.9%	1,363
15 yrs	54.3%	714
16 yrs	57.7%	589
17 yrs	59.6%	473
18 yrs	55.5%	535
19 yrs	61.4%	350
20 yrs	61.7%	366
21 yrs	61.7%	324

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	61.7%	324
2023 (20 yrs)	61.7%	366
2022 (19 yrs)	61.4%	350
2021 (18 yrs)	55.5%	535
2020 (17 yrs)	59.6%	473
2019 (16 yrs)	57.7%	589
2018 (15 yrs)	54.3%	714
2017 (14 yrs)	53.9%	1,363
2016 (13 yrs)	51.3%	1,788
2015 (12 yrs)	53.7%	2,133
2014 (11 yrs)	48.9%	2,498
2013 (10 yrs)	49.1%	2,917
2012 (9 yrs)	52.2%	3,252
2011 (8 yrs)	55.4%	3,502
2010 (7 yrs)	58.1%	3,580
2009 (6 yrs)	63%	3,739

Year-by-Year MOT Results

2009High Fail Rate

63.0%

Age (yrs) 6Tests 3,739Avg Mileage 66,044Top Failure Brakes — 20.7%

2010High Fail Rate

58.1%

Age (yrs) 7Tests 3,580Avg Mileage 74,145Top Failure Brakes — 23.5%

2011High Fail Rate

55.4%

Age (yrs) 8Tests 3,502Avg Mileage 80,267Top Failure Brakes — 25.2%

2012High Fail Rate

52.2%

Age (yrs) 9Tests 3,252Avg Mileage 86,652Top Failure Brakes — 29.7%

2013High Fail Rate

49.1%

Age (yrs) 10Tests 2,917Avg Mileage 93,206Top Failure Brakes — 86.0%

2014High Fail Rate

48.9%

Age (yrs) 11Tests 2,498Avg Mileage 96,928Top Failure Brakes — 84.8%

2015High Fail Rate

53.7%

Age (yrs) 12Tests 2,133Avg Mileage 102,603Top Failure Brakes — 82.2%

2016High Fail Rate

51.3%

Age (yrs) 13Tests 1,788Avg Mileage 106,702Top Failure Brakes — 86.2%

2017High Fail Rate

53.9%

Age (yrs) 14Tests 1,363Avg Mileage 109,267Top Failure Brakes — 82.2%

2018High Fail Rate

54.3%

Age (yrs) 15Tests 714Avg Mileage 111,803Top Failure Brakes — 78.6%

2019High Fail Rate

57.7%

Age (yrs) 16Tests 589Avg Mileage 105,051Top Failure Brakes — 81.5%

2020High Fail Rate

59.6%

Age (yrs) 17Tests 473Avg Mileage 107,383Top Failure Brakes — 62.2%

2021High Fail Rate

55.5%

Age (yrs) 18Tests 535Avg Mileage 109,254Top Failure Brakes — 80.6%

2022High Fail Rate

61.4%

Age (yrs) 19Tests 350Avg Mileage 107,531Top Failure Suspension — 71.7%

2023High Fail Rate

61.7%

Age (yrs) 20Tests 366Avg Mileage 109,422Top Failure Suspension — 65.6%

2024High Fail Rate

61.7%

Age (yrs) 21Tests 324Avg Mileage 104,067Top Failure Suspension — 51.5%

MOT results for 2003 MG Zt+ by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	63.0%	3,739	66,044	Brakes — 20.7%
2010	7	58.1%	3,580	74,145	Brakes — 23.5%
2011	8	55.4%	3,502	80,267	Brakes — 25.2%
2012	9	52.2%	3,252	86,652	Brakes — 29.7%
2013	10	49.1%	2,917	93,206	Brakes — 86.0%
2014	11	48.9%	2,498	96,928	Brakes — 84.8%
2015	12	53.7%	2,133	102,603	Brakes — 82.2%
2016	13	51.3%	1,788	106,702	Brakes — 86.2%
2017	14	53.9%	1,363	109,267	Brakes — 82.2%
2018	15	54.3%	714	111,803	Brakes — 78.6%
2019	16	57.7%	589	105,051	Brakes — 81.5%
2020	17	59.6%	473	107,383	Brakes — 62.2%
2021	18	55.5%	535	109,254	Brakes — 80.6%
2022	19	61.4%	350	107,531	Suspension — 71.7%
2023	20	61.7%	366	109,422	Suspension — 65.6%
2024	21	61.7%	324	104,067	Suspension — 51.5%

Common MOT Failures

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

Brakes

62.1%

↑ Increases with age

Suspension

44.4%

↑ Increases with age

Lamps, reflectors and electrical equipment

35.9%

— Consistent

Lamps, Reflectors and Electrical Equipment

34.4%

— Consistent

Tyres

23.6%

↓ 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	5.7% (6 yrs)	51.5% (21 yrs)	+45.8%	🔴 ↑
Brakes	20.7% (6 yrs)	39.8% (21 yrs)	+19.1%	🔴 ↑
Tyres	14.0% (6 yrs)	9.0% (21 yrs)	-5.0%	🟢 ↓

Other Manufacture Years

2001 2002 2003 2004 2005 2006 2007

← Back to MG Zt+ overview

Looking for the best year to buy? See the full comparison on the MG Zt+ page →

About This Data

This page shows how MG Zt+ cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2024, covering 28,123 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.