Triumph Dolomite MOT Check

MOT pass rates, common failures, and reliability data for the Triumph Dolomite. Check any Dolomite by registration number below.

Free, instant, no sign-up required.

86.3%

Avg Pass Rate

-4.1%

vs Triumph Avg

Year Ranges

Excellent

Reliability

Triumph Dolomite — MOT Reliability Overview

The Triumph Dolomite has an average MOT pass rate of 86.3%, which is 4.1 percentage points below the Triumph brand average of 90.4%. This is a strong result, indicating that the Dolomite is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used Triumph Dolomite, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Triumph Dolomite performs at MOT across different model years.

1981

Based on 43 vehicles

79.1%Good

Triumph average: 90.4%

Dangerous Defects

3.8%

Retest Rate

15.4%

1980

Based on 104 vehicles

81.7%Good

Triumph average: 90.4%

Dangerous Defects

3.4%

Retest Rate

22.0%

1979

Based on 35 vehicles

82.9%Good

Triumph average: 90.4%

Retest Rate

22.2%

1978

Based on 55 vehicles

81.8%Good

Triumph average: 90.4%

Dangerous Defects

0.0%

Retest Rate

14.7%

1977

Based on 72 vehicles

91.7%Excellent

Triumph average: 90.4%

Dangerous Defects

0.0%

Retest Rate

6.1%

1976

Based on 45 vehicles

91.1%Excellent

Triumph average: 90.4%

Dangerous Defects

0.0%

Retest Rate

5.0%

1975

Based on 40 vehicles

92.5%Excellent

Triumph average: 90.4%

Dangerous Defects

0.0%

Retest Rate

3.8%

1974

Based on 36 vehicles

88.9%Excellent

Triumph average: 90.4%

Dangerous Defects

0.0%

Retest Rate

9.1%

1973

Based on 55 vehicles

89.1%Excellent

Triumph average: 90.4%

Dangerous Defects

3.2%

Retest Rate

9.7%

0

Based on 236 vehicles

84.3%Good

Triumph average: 90.4%

Mileage at 5yr

50k mi

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Rear Nearside

7.0%

Front Nearside

7.0%

Rear Nearside Inner

4.7%

Other Triumph Models

Compare MOT reliability across Triumph models.

Triumph TR7

100.0% pass rate

Triumph GT6

95.5% pass rate

Triumph Bonneville T100 Bud Ekins

100.0% pass rate

Triumph Trophy 3

100.0% pass rate

Triumph Sprint Rs

84.4% pass rate

Triumph Daytona

92.0% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Triumph Dolomite

Triumph Dolomite — Frequently Asked Questions

Common questions about the Triumph Dolomite MOT and reliability.

What is the MOT pass rate for the Triumph Dolomite?

The average MOT pass rate for the Triumph Dolomite is 86.3% compared to the Triumph average of 90.4%. Pass rates vary by year — check the year-by-year breakdown on this page for details.

What are the most common MOT failures on a Triumph Dolomite?

Check the detailed breakdown on this page for specific failure data by year range.

Is the Triumph Dolomite reliable?

With an average MOT pass rate of 86.3%, the Triumph Dolomite is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.

How do I check the MOT history of a Triumph Dolomite?

Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.

What mileage should I expect on a Triumph Dolomite?

Typical mileage for the Triumph Dolomite: 50,258 miles at 5 years. Use these benchmarks when evaluating a used Dolomite to spot vehicles with unusually high or low mileage.

Check Your Triumph Dolomite's MOT History

Enter the registration number for the full MOT history — free and instant.