1971 Triumph 2.5 Pi — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

80.6%

Latest Pass Rate

368

Total Tests (All Years)

60,693 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 2.5 Pi

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1971 Triumph 2.5 Pi as it ages.

38 yrs66.0%

→ ↑16.0%

39 yrs82.0%

→ ↓1.0%

40 yrs81.0%

→ ↓3.0%

41 yrs78.0%

→ ↑4.9%

42 yrs82.9%

→ ↓12.2%

43 yrs70.7%

→ ↑0.4%

44 yrs71.1%

→ ↓8.2%

45 yrs62.9%

→ ↑17.7%

46 yrs80.6%

📊 View as table

Age	Pass Rate	Tests
38 yrs	66.0%	50
39 yrs	82.0%	50
40 yrs	81.0%	42
41 yrs	78.0%	41
42 yrs	82.9%	35
43 yrs	70.7%	41
44 yrs	71.1%	38
45 yrs	62.9%	35
46 yrs	80.6%	36

Pass Rate Trend

How the 1971 Triumph 2.5 Pi pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (46 yrs)	80.6%	36
2016 (45 yrs)	62.9%	35
2015 (44 yrs)	71.1%	38
2014 (43 yrs)	70.7%	41
2013 (42 yrs)	82.9%	35
2012 (41 yrs)	78%	41
2011 (40 yrs)	81%	42
2010 (39 yrs)	82%	50
2009 (38 yrs)	66%	50

Year-by-Year MOT Results

2009

66.0%

Age (yrs) 38Tests 50Avg Mileage 60,038Top Failure Brakes — 22.0%

2010

82.0%

Age (yrs) 39Tests 50Avg Mileage 58,191Top Failure Steering — 12.0%

2011

81.0%

Age (yrs) 40Tests 42Avg Mileage 62,644Top Failure Suspension — 11.9%

2012

78.0%

Age (yrs) 41Tests 41Avg Mileage 59,599Top Failure Suspension — 19.5%

2013

82.9%

Age (yrs) 42Tests 35Avg Mileage 63,191Top Failure Body, Structure and General Items — 14.3%

2014

70.7%

Age (yrs) 43Tests 41Avg Mileage 58,742Top Failure Suspension — 70.7%

2015

71.1%

Age (yrs) 44Tests 38Avg Mileage 56,675Top Failure Brakes — 44.7%

2016High Fail Rate

62.9%

Age (yrs) 45Tests 35Avg Mileage 55,427Top Failure Suspension — 68.6%

2017

80.6%

Age (yrs) 46Tests 36Avg Mileage 60,693Top Failure Suspension — 55.6%

MOT results for 1971 Triumph 2.5 Pi by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	66.0%	50	60,038	Brakes — 22.0%
2010	39	82.0%	50	58,191	Steering — 12.0%
2011	40	81.0%	42	62,644	Suspension — 11.9%
2012	41	78.0%	41	59,599	Suspension — 19.5%
2013	42	82.9%	35	63,191	Body, Structure and General Items — 14.3%
2014	43	70.7%	41	58,742	Suspension — 70.7%
2015	44	71.1%	38	56,675	Brakes — 44.7%
2016	45	62.9%	35	55,427	Suspension — 68.6%
2017	46	80.6%	36	60,693	Suspension — 55.6%

Common MOT Failures

Top failure categories across all test years for 1971 Triumph 2.5 Pi, with age trends.

Suspension

33.2%

↑ Increases with age

Brakes

23.1%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

14.5%

↑ Increases with age

Steering

13.8%

↑ Increases with age

Body, Structure and General Items

13.8%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	10.0% (38 yrs)	55.6% (46 yrs)	+45.6%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	14.0% (38 yrs)	22.2% (46 yrs)	+8.2%	🔴 ↑
Brakes	22.0% (38 yrs)	16.7% (46 yrs)	-5.3%	🟢 ↓
Exhaust, Fuel and Emissions	10.0% (38 yrs)	11.1% (46 yrs)	+1.1%	⚪ —

Other Manufacture Years

1971

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About This Data

This page shows how Triumph 2.5 Pi cars manufactured in 1971 perform at MOT as they age. Data spans from 2009 to 2017, covering 368 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.