1971 Rolls-Royce Unclassified — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

87.2%

Latest Pass Rate

572

Total Tests (All Years)

59,951 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 1971 Rolls-Royce Unclassified as it ages.

38 yrs71.1%

→ ↓1.2%

39 yrs69.9%

→ ↑3.8%

40 yrs73.7%

→ ↑1.6%

41 yrs75.3%

→ ↑3.9%

42 yrs79.2%

→ ↓4.2%

43 yrs75.0%

→ ↑12.5%

44 yrs87.5%

→ ↓5.0%

45 yrs82.5%

→ ↑4.7%

46 yrs87.2%

📊 View as table

Age	Pass Rate	Tests
38 yrs	71.1%	114
39 yrs	69.9%	93
40 yrs	73.7%	76
41 yrs	75.3%	73
42 yrs	79.2%	53
43 yrs	75.0%	44
44 yrs	87.5%	40
45 yrs	82.5%	40
46 yrs	87.2%	39

Pass Rate Trend

How the 1971 Rolls-Royce Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (46 yrs)	87.2%	39
2016 (45 yrs)	82.5%	40
2015 (44 yrs)	87.5%	40
2014 (43 yrs)	75%	44
2013 (42 yrs)	79.2%	53
2012 (41 yrs)	75.3%	73
2011 (40 yrs)	73.7%	76
2010 (39 yrs)	69.9%	93
2009 (38 yrs)	71.1%	114

Year-by-Year MOT Results

2009

71.1%

Age (yrs) 38Tests 114Avg Mileage 47,670Top Failure Brakes — 22.8%

2010

69.9%

Age (yrs) 39Tests 93Avg Mileage 49,048Top Failure Brakes — 22.6%

2011

73.7%

Age (yrs) 40Tests 76Avg Mileage 43,256Top Failure Brakes — 15.8%

2012

75.3%

Age (yrs) 41Tests 73Avg Mileage 52,998Top Failure Brakes — 20.5%

2013

79.2%

Age (yrs) 42Tests 53Avg Mileage 48,098Top Failure Brakes — 49.1%

2014

75.0%

Age (yrs) 43Tests 44Avg Mileage 58,142Top Failure Brakes — 47.7%

2015

87.5%

Age (yrs) 44Tests 40Avg Mileage 53,554Top Failure Suspension — 25.0%

2016

82.5%

Age (yrs) 45Tests 40Avg Mileage 56,386Top Failure Brakes — 50.0%

2017

87.2%

Age (yrs) 46Tests 39Avg Mileage 59,951Top Failure Brakes — 35.9%

MOT results for 1971 Rolls-Royce Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	71.1%	114	47,670	Brakes — 22.8%
2010	39	69.9%	93	49,048	Brakes — 22.6%
2011	40	73.7%	76	43,256	Brakes — 15.8%
2012	41	75.3%	73	52,998	Brakes — 20.5%
2013	42	79.2%	53	48,098	Brakes — 49.1%
2014	43	75.0%	44	58,142	Brakes — 47.7%
2015	44	87.5%	40	53,554	Suspension — 25.0%
2016	45	82.5%	40	56,386	Brakes — 50.0%
2017	46	87.2%	39	59,951	Brakes — 35.9%

Common MOT Failures

Top failure categories across all test years for 1971 Rolls-Royce Unclassified, with age trends.

Brakes

30.8%

↑ Increases with age

Suspension

15.0%

↑ Increases with age

Steering

12.1%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

11.6%

↓ Decreases with age

Body, Structure and General Items

10.0%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	22.8% (38 yrs)	35.9% (46 yrs)	+13.1%	🔴 ↑
Suspension	10.5% (38 yrs)	20.5% (46 yrs)	+10.0%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	14.9% (38 yrs)	7.7% (46 yrs)	-7.2%	🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Rolls-Royce Unclassified page →

About This Data

This page shows how Rolls-Royce Unclassified cars manufactured in 1971 perform at MOT as they age. Data spans from 2009 to 2017, covering 572 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.