1973 Triumph Unclassified — MOT History by Age

How cars manufactured in 1973 perform at MOT as they age

53 years

Current Age

90.2%

Latest Pass Rate

950

Total Tests (All Years)

23,699 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 1973 Triumph Unclassified as it ages.

36 yrs74.1%

→ ↑0.7%

37 yrs74.8%

→ ↑8.1%

38 yrs82.9%

→ ↓1.3%

39 yrs81.6%

→ ↑3.7%

40 yrs85.3%

→ ↑4.3%

41 yrs89.6%

→ ↓0.1%

42 yrs89.5%

→ ↓0.3%

43 yrs89.2%

→ ↓4.9%

44 yrs84.3%

→ ↑5.9%

45 yrs90.2%

📊 View as table

Age	Pass Rate	Tests
36 yrs	74.1%	143
37 yrs	74.8%	111
38 yrs	82.9%	123
39 yrs	81.6%	98
40 yrs	85.3%	68
41 yrs	89.6%	67
42 yrs	89.5%	76
43 yrs	89.2%	102
44 yrs	84.3%	121
45 yrs	90.2%	41

Pass Rate Trend

How the 1973 Triumph Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (45 yrs)	90.2%	41
2017 (44 yrs)	84.3%	121
2016 (43 yrs)	89.2%	102
2015 (42 yrs)	89.5%	76
2014 (41 yrs)	89.6%	67
2013 (40 yrs)	85.3%	68
2012 (39 yrs)	81.6%	98
2011 (38 yrs)	82.9%	123
2010 (37 yrs)	74.8%	111
2009 (36 yrs)	74.1%	143

Year-by-Year MOT Results

2009

74.1%

Age (yrs) 36Tests 143Avg Mileage 41,686Top Failure Lamps, Reflectors and Electrical Equipment — 11.9%

2010

74.8%

Age (yrs) 37Tests 111Avg Mileage 25,822Top Failure Motorcycle lighting and signalling — 9.0%

2011

82.9%

Age (yrs) 38Tests 123Avg Mileage 26,144Top Failure Lamps, Reflectors and Electrical Equipment — 10.6%

2012

81.6%

Age (yrs) 39Tests 98Avg Mileage 26,616Top Failure Brakes — 7.1%

2013

85.3%

Age (yrs) 40Tests 68Avg Mileage 19,928Top Failure Brakes — 11.8%

2014

89.6%

Age (yrs) 41Tests 67Avg Mileage 21,250Top Failure Brakes — 13.4%

2015

89.5%

Age (yrs) 42Tests 76Avg Mileage 24,350Top Failure Brakes — 14.5%

2016

89.2%

Age (yrs) 43Tests 102Avg Mileage 22,489Top Failure Brakes — 13.7%

2017

84.3%

Age (yrs) 44Tests 121Avg Mileage 25,095Top Failure Brakes — 15.7%

2018

90.2%

Age (yrs) 45Tests 41Avg Mileage 23,699Top Failure Brakes — 9.8%

MOT results for 1973 Triumph Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	36	74.1%	143	41,686	Lamps, Reflectors and Electrical Equipment — 11.9%
2010	37	74.8%	111	25,822	Motorcycle lighting and signalling — 9.0%
2011	38	82.9%	123	26,144	Lamps, Reflectors and Electrical Equipment — 10.6%
2012	39	81.6%	98	26,616	Brakes — 7.1%
2013	40	85.3%	68	19,928	Brakes — 11.8%
2014	41	89.6%	67	21,250	Brakes — 13.4%
2015	42	89.5%	76	24,350	Brakes — 14.5%
2016	43	89.2%	102	22,489	Brakes — 13.7%
2017	44	84.3%	121	25,095	Brakes — 15.7%
2018	45	90.2%	41	23,699	Brakes — 9.8%

Common MOT Failures

Top failure categories across all test years for 1973 Triumph Unclassified, with age trends.

Brakes

10.6%

— Consistent

Lamps, Reflectors and Electrical Equipment

8.0%

— Consistent

Lamps, reflectors and electrical equipment

7.3%

— Consistent

Motorcycle lighting and signalling

7.2%

↓ Decreases with age

Driver's View of the Road

6.5%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	7.0% (36 yrs)	9.8% (45 yrs)	+2.8%	🔴 ↑
Suspension	5.6% (36 yrs)	4.9% (45 yrs)	-0.7%	⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Triumph Unclassified page →

About This Data

This page shows how Triumph Unclassified cars manufactured in 1973 perform at MOT as they age. Data spans from 2009 to 2018, covering 950 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.