Know Your MOT

MOT failure rate and common problems for the Triumph 5, and how to check your own car by registration.

Updated 05 September 2026.

16.1%fail rate

Triumph 5 MOT failure rate

What a Triumph 5 fails its MOT on, and the part that fixes each.

What it fails on, and why

Other22.2% of failures

This covers a range of smaller items, from a non-working horn to a warning light left on.

Brakes11.1% of failures

Brake failures cover worn pads and discs, an imbalance between wheels, corroded or scored discs, or a binding caliper. Braking efficiency is measured on a rolling road, so a spongy or pulling brake shows up as a low reading.

Lamps & electrical11.1% of failures

Lighting is the single most common MOT failure and the cheapest to put right. A blown headlight, brake-light or number-plate bulb, a cracked lens, or a headlamp beam that points too high or low will all fail. Most are a two-minute bulb swap.

The parts that fix each

If your car has just failed, you have 10 working days to fix the items and get a free partial retest. Confirm the exact fitment against your registration or VIN before buying.

For the brakes failure: Triumph 5 brake pads and discsShop Triumph 5 brake pads and discs on AmazonaffiliateFind Triumph 5 brake pads and discs on eBayaffiliate
For the lamps & electrical failure: Triumph 5 headlight and indicator bulbsShop Triumph 5 headlight and indicator bulbs on AmazonaffiliateFind Triumph 5 headlight and indicator bulbs on eBayaffiliate

Other models

All Triumph models MOT failure rates comparedRanked worst to bestTriumph Bonneville MOT failures9.8% failure rateTriumph Tiger MOT failures9.2% failure rateFord Fiesta MOT failures27.1% failure rate

Questions and answers

What is the MOT failure rate of the Triumph 5?

It fails 16.1% of its MOT tests across the DVSA record, from 56 tests.

What do these cars fail their MOT on most?

The most common failure area is other, at 22.2% of this model's failures.