2005 MG Zt — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

66.9%

Latest Pass Rate

14,905

Total Tests (All Years)

101,052 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 66.9%

Average: 55.4%

✅ 11.5% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 2005 MG Zt as it ages.

4 yrs72.1%

→ ↓6.4%

5 yrs65.7%

→ ↓2.0%

6 yrs63.7%

→ ↓2.5%

7 yrs61.2%

→ ↓7.3%

8 yrs53.9%

→ ↓2.1%

9 yrs51.8%

→ ↑3.6%

10 yrs55.4%

→ ↓0.9%

11 yrs54.5%

→ ↑3.4%

12 yrs57.9%

→ ↓1.8%

13 yrs56.1%

→ ↑0.4%

14 yrs56.5%

→ ↑1.7%

15 yrs58.2%

→ ↓1.7%

16 yrs56.5%

→ ↑4.5%

17 yrs61.0%

→ ↑2.9%

18 yrs63.9%

→ ↑3.0%

19 yrs66.9%

📊 View as table

Age	Pass Rate	Tests
4 yrs	72.1%	1,565
5 yrs	65.7%	1,494
6 yrs	63.7%	1,495
7 yrs	61.2%	1,468
8 yrs	53.9%	1,383
9 yrs	51.8%	1,330
10 yrs	55.4%	1,195
11 yrs	54.5%	1,100
12 yrs	57.9%	956
13 yrs	56.1%	554
14 yrs	56.5%	513
15 yrs	58.2%	419
16 yrs	56.5%	460
17 yrs	61.0%	328
18 yrs	63.9%	346
19 yrs	66.9%	299

Pass Rate Trend

How the 2005 MG Zt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (19 yrs)	66.9%	299
2023 (18 yrs)	63.9%	346
2022 (17 yrs)	61%	328
2021 (16 yrs)	56.5%	460
2020 (15 yrs)	58.2%	419
2019 (14 yrs)	56.5%	513
2018 (13 yrs)	56.1%	554
2017 (12 yrs)	57.9%	956
2016 (11 yrs)	54.5%	1,100
2015 (10 yrs)	55.4%	1,195
2014 (9 yrs)	51.8%	1,330
2013 (8 yrs)	53.9%	1,383
2012 (7 yrs)	61.2%	1,468
2011 (6 yrs)	63.7%	1,495
2010 (5 yrs)	65.7%	1,494
2009 (4 yrs)	72.1%	1,565

Year-by-Year MOT Results

2009

72.1%

Age (yrs) 4Tests 1,565Avg Mileage 43,722Top Failure Lamps, Reflectors and Electrical Equipment — 14.2%

2010

65.7%

Age (yrs) 5Tests 1,494Avg Mileage 53,748Top Failure Lamps, Reflectors and Electrical Equipment — 18.1%

2011High Fail Rate

63.7%

Age (yrs) 6Tests 1,495Avg Mileage 61,970Top Failure Lamps, Reflectors and Electrical Equipment — 20.2%

2012High Fail Rate

61.2%

Age (yrs) 7Tests 1,468Avg Mileage 68,415Top Failure Brakes — 19.6%

2013High Fail Rate

53.9%

Age (yrs) 8Tests 1,383Avg Mileage 76,401Top Failure Brakes — 54.9%

2014High Fail Rate

51.8%

Age (yrs) 9Tests 1,330Avg Mileage 83,333Top Failure Brakes — 66.0%

2015High Fail Rate

55.4%

Age (yrs) 10Tests 1,195Avg Mileage 87,320Top Failure Brakes — 61.2%

2016High Fail Rate

54.5%

Age (yrs) 11Tests 1,100Avg Mileage 90,561Top Failure Brakes — 58.1%

2017High Fail Rate

57.9%

Age (yrs) 12Tests 956Avg Mileage 95,938Top Failure Brakes — 53.2%

2018High Fail Rate

56.1%

Age (yrs) 13Tests 554Avg Mileage 100,228Top Failure Brakes — 59.9%

2019High Fail Rate

56.5%

Age (yrs) 14Tests 513Avg Mileage 102,996Top Failure Brakes — 64.1%

2020High Fail Rate

58.2%

Age (yrs) 15Tests 419Avg Mileage 104,217Top Failure Suspension — 61.1%

2021High Fail Rate

56.5%

Age (yrs) 16Tests 460Avg Mileage 101,650Top Failure Suspension — 69.8%

2022High Fail Rate

61.0%

Age (yrs) 17Tests 328Avg Mileage 109,646Top Failure Suspension — 65.9%

2023High Fail Rate

63.9%

Age (yrs) 18Tests 346Avg Mileage 103,509Top Failure Suspension — 71.7%

2024

66.9%

Age (yrs) 19Tests 299Avg Mileage 101,052Top Failure Suspension — 39.1%

MOT results for 2005 MG Zt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	72.1%	1,565	43,722	Lamps, Reflectors and Electrical Equipment — 14.2%
2010	5	65.7%	1,494	53,748	Lamps, Reflectors and Electrical Equipment — 18.1%
2011	6	63.7%	1,495	61,970	Lamps, Reflectors and Electrical Equipment — 20.2%
2012	7	61.2%	1,468	68,415	Brakes — 19.6%
2013	8	53.9%	1,383	76,401	Brakes — 54.9%
2014	9	51.8%	1,330	83,333	Brakes — 66.0%
2015	10	55.4%	1,195	87,320	Brakes — 61.2%
2016	11	54.5%	1,100	90,561	Brakes — 58.1%
2017	12	57.9%	956	95,938	Brakes — 53.2%
2018	13	56.1%	554	100,228	Brakes — 59.9%
2019	14	56.5%	513	102,996	Brakes — 64.1%
2020	15	58.2%	419	104,217	Suspension — 61.1%
2021	16	56.5%	460	101,650	Suspension — 69.8%
2022	17	61.0%	328	109,646	Suspension — 65.9%
2023	18	63.9%	346	103,509	Suspension — 71.7%
2024	19	66.9%	299	101,052	Suspension — 39.1%

Common MOT Failures

Top failure categories across all test years for 2005 MG Zt, with age trends.

Brakes

47.0%

↑ Increases with age

Suspension

38.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

37.9%

— Consistent

Lamps, Reflectors and Electrical Equipment

28.8%

↑ Increases with age

Tyres

21.3%

↑ 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	2.9% (4 yrs)	39.1% (19 yrs)	+36.2%	🔴 ↑
Brakes	13.3% (4 yrs)	36.8% (19 yrs)	+23.5%	🔴 ↑
Tyres	11.9% (4 yrs)	15.7% (19 yrs)	+3.8%	🔴 ↑

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 2005 perform at MOT as they age. Data spans from 2009 to 2024, covering 14,905 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.