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1974 Triumph Dolomite — MOT History by Age

How cars manufactured in 1974 perform at MOT as they age

52 years
Current Age
57.6%
Latest Pass Rate
96
Total Tests (All Years)
53,452 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 1974 Triumph Dolomite as it ages.

35 yrs57.6%
40 yrs66.7%
43 yrs57.6%

Bar chart showing pass rate by car age from 35 to 43 years

Fail Rate %
📊 View as table
AgePass RateTests
35 yrs57.6%33
40 yrs66.7%30
43 yrs57.6%33

Pass Rate Trend

How the 1974 Triumph Dolomite pass rate changes as it ages, from first MOT to most recent.

Trend shows stable over 3 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2017 (43 yrs)57.6%33
2014 (40 yrs)66.7%30
2009 (35 yrs)57.6%33

Year-by-Year MOT Results

2009High Fail Rate
57.6%
Age (yrs) 35Tests 33Avg Mileage 48,352Top Failure Lamps, Reflectors and Electrical Equipment — 33.3%
2014
66.7%
Age (yrs) 40Tests 30Avg Mileage 52,173Top Failure Brakes — 63.3%
2017High Fail Rate
57.6%
Age (yrs) 43Tests 33Avg Mileage 53,452Top Failure Brakes — 72.7%

Common MOT Failures

Top failure categories across all test years for 1974 Triumph Dolomite, with age trends.

Brakes
49.4%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
41.7%
↑ Increases with age
Suspension
33.2%
↑ Increases with age
Steering
20.8%
↑ Increases with age
Exhaust, Fuel and Emissions
15.2%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes12.1% (35 yrs)72.7% (43 yrs)
+60.6%
🔴 ↑
Suspension24.2% (35 yrs)45.5% (43 yrs)
+21.3%
🔴 ↑
Lamps, Reflectors and Electrical Equipment33.3% (35 yrs)48.5% (43 yrs)
+15.2%
🔴 ↑
Steering18.2% (35 yrs)24.2% (43 yrs)
+6.0%
🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Triumph Dolomite cars manufactured in 1974 perform at MOT as they age. Data spans from 2009 to 2017, covering 96 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.

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