1985 Rover Sd1 — MOT History by Age

How cars manufactured in 1985 perform at MOT as they age

41 years

Current Age

68.4%

Latest Pass Rate

927

Total Tests (All Years)

96,024 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 1985 Rover Sd1 as it ages.

24 yrs59.4%

→ ↑9.1%

25 yrs68.5%

→ ↓10.8%

26 yrs57.7%

→ ↑3.4%

27 yrs61.1%

→ ↑5.1%

28 yrs66.2%

→ ↓10.1%

29 yrs56.1%

→ ↑12.0%

30 yrs68.1%

→ ↑0.7%

31 yrs68.8%

→ ↑4.5%

32 yrs73.3%

→ ↓10.3%

33 yrs63.0%

→ ↑11.4%

34 yrs74.4%

→ ↑12.8%

36 yrs87.2%

→ ↓13.7%

37 yrs73.5%

→ ↑5.1%

38 yrs78.6%

→ ↓10.2%

39 yrs68.4%

📊 View as table

Age	Pass Rate	Tests
24 yrs	59.4%	96
25 yrs	68.5%	89
26 yrs	57.7%	78
27 yrs	61.1%	72
28 yrs	66.2%	68
29 yrs	56.1%	66
30 yrs	68.1%	69
31 yrs	68.8%	64
32 yrs	73.3%	60
33 yrs	63.0%	46
34 yrs	74.4%	39
36 yrs	87.2%	47
37 yrs	73.5%	34
38 yrs	78.6%	42
39 yrs	68.4%	57

Pass Rate Trend

How the 1985 Rover Sd1 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (39 yrs)	68.4%	57
2023 (38 yrs)	78.6%	42
2022 (37 yrs)	73.5%	34
2021 (36 yrs)	87.2%	47
2019 (34 yrs)	74.4%	39
2018 (33 yrs)	63%	46
2017 (32 yrs)	73.3%	60
2016 (31 yrs)	68.8%	64
2015 (30 yrs)	68.1%	69
2014 (29 yrs)	56.1%	66
2013 (28 yrs)	66.2%	68
2012 (27 yrs)	61.1%	72
2011 (26 yrs)	57.7%	78
2010 (25 yrs)	68.5%	89
2009 (24 yrs)	59.4%	96

Year-by-Year MOT Results

2009High Fail Rate

59.4%

Age (yrs) 24Tests 96Avg Mileage 94,562Top Failure Brakes — 22.9%

2010

68.5%

Age (yrs) 25Tests 89Avg Mileage 94,336Top Failure Brakes — 16.9%

2011High Fail Rate

57.7%

Age (yrs) 26Tests 78Avg Mileage 94,395Top Failure Brakes — 23.1%

2012High Fail Rate

61.1%

Age (yrs) 27Tests 72Avg Mileage 101,655Top Failure Brakes — 22.2%

2013

66.2%

Age (yrs) 28Tests 68Avg Mileage 95,030Top Failure Brakes — 70.6%

2014High Fail Rate

56.1%

Age (yrs) 29Tests 66Avg Mileage 95,222Top Failure Brakes — 93.9%

2015

68.1%

Age (yrs) 30Tests 69Avg Mileage 95,299Top Failure Brakes — 44.9%

2016

68.8%

Age (yrs) 31Tests 64Avg Mileage 98,409Top Failure Suspension — 34.4%

2017

73.3%

Age (yrs) 32Tests 60Avg Mileage 92,347Top Failure Suspension — 30.0%

2018High Fail Rate

63.0%

Age (yrs) 33Tests 46Avg Mileage 100,303Top Failure Suspension — 37.0%

2019

74.4%

Age (yrs) 34Tests 39Avg Mileage 95,950Top Failure Suspension — 33.3%

2021

87.2%

Age (yrs) 36Tests 47Avg Mileage 91,865Top Failure Suspension — 8.5%

2022

73.5%

Age (yrs) 37Tests 34Avg Mileage 91,276Top Failure Brakes — 35.3%

2023

78.6%

Age (yrs) 38Tests 42Avg Mileage 93,296Top Failure Suspension — 26.2%

2024

68.4%

Age (yrs) 39Tests 57Avg Mileage 96,024Top Failure Suspension — 24.6%

MOT results for 1985 Rover Sd1 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	24	59.4%	96	94,562	Brakes — 22.9%
2010	25	68.5%	89	94,336	Brakes — 16.9%
2011	26	57.7%	78	94,395	Brakes — 23.1%
2012	27	61.1%	72	101,655	Brakes — 22.2%
2013	28	66.2%	68	95,030	Brakes — 70.6%
2014	29	56.1%	66	95,222	Brakes — 93.9%
2015	30	68.1%	69	95,299	Brakes — 44.9%
2016	31	68.8%	64	98,409	Suspension — 34.4%
2017	32	73.3%	60	92,347	Suspension — 30.0%
2018	33	63.0%	46	100,303	Suspension — 37.0%
2019	34	74.4%	39	95,950	Suspension — 33.3%
2021	36	87.2%	47	91,865	Suspension — 8.5%
2022	37	73.5%	34	91,276	Brakes — 35.3%
2023	38	78.6%	42	93,296	Suspension — 26.2%
2024	39	68.4%	57	96,024	Suspension — 24.6%

Common MOT Failures

Top failure categories across all test years for 1985 Rover Sd1, with age trends.

Brakes

32.9%

— Consistent

Suspension

29.4%

↑ Increases with age

Lamps, reflectors and electrical equipment

21.5%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

21.0%

↑ Increases with age

Seat belts and supplementary restraint systems

17.9%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	14.6% (24 yrs)	24.6% (39 yrs)	+10.0%	🔴 ↑
Steering	13.5% (24 yrs)	7.0% (39 yrs)	-6.5%	🟢 ↓

Other Manufacture Years

1982 1983 1984 1985 1986 1987

← Back to Rover Sd1 overview

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About This Data

This page shows how Rover Sd1 cars manufactured in 1985 perform at MOT as they age. Data spans from 2009 to 2024, covering 927 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.