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Triumph Speed Four MOT Check

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

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86.9%

Avg Pass Rate

-3.5%

vs Triumph Avg

1

Year Ranges

Excellent

Reliability

Triumph Speed Four — MOT Reliability Overview

The Triumph Speed Four has an average MOT pass rate of 86.9%, which is 3.5 percentage points below the Triumph brand average of 90.4%. This is a strong result, indicating that the Speed Four is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used Triumph Speed Four, 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 Speed Four performs at MOT across different model years.

0

Based on 344 vehicles

86.9%Excellent
Triumph average: 90.4%
Mileage at 5yr

23k mi

Other Triumph Models

Compare MOT reliability across Triumph models.

Triumph TR7

100.0% pass rate

Triumph Dolomite

91.7% 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

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 Speed Four

Triumph Speed Four — Frequently Asked Questions

Common questions about the Triumph Speed Four MOT and reliability.

What is the MOT pass rate for the Triumph Speed Four?
The average MOT pass rate for the Triumph Speed Four is 86.9% 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 Speed Four?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Triumph Speed Four reliable?
With an average MOT pass rate of 86.9%, the Triumph Speed Four 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 Speed Four?
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 Speed Four?
Typical mileage for the Triumph Speed Four: 22,917 miles at 5 years. Use these benchmarks when evaluating a used Speed Four to spot vehicles with unusually high or low mileage.

Check Your Triumph Speed Four's MOT History

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

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