Know Your MOT

MOT failure rate and common problems for the Honda 500/4, and how to check your own car by registration.

Updated 05 September 2026.

18.2%fail rate

Honda 500/4 MOT failure rate

What a Honda 500/4 fails its MOT on, and the part that fixes each.

What it fails on, and why

Other20.0% of failures

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

Lamps & electrical10.0% 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.

Exhaust & emissions10.0% of failures

Exhaust failures cover leaks, insecure mountings and emissions over the limit. A blowing exhaust, a failed lambda reading or a diesel that smokes beyond the limit will fail.

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 lamps & electrical failure: Honda 500/4 headlight and indicator bulbsShop Honda 500/4 headlight and indicator bulbs on AmazonaffiliateFind Honda 500/4 headlight and indicator bulbs on eBayaffiliate
For the exhaust & emissions failure: Honda 500/4 exhaustShop Honda 500/4 exhaust on AmazonaffiliateFind Honda 500/4 exhaust on eBayaffiliate

Other models

All Honda models MOT failure rates comparedRanked worst to bestHonda Civic MOT failures26.3% failure rateHonda Jazz MOT failures18.9% failure rateFord Fiesta MOT failures27.1% failure rate

Questions and answers

What is the MOT failure rate of the Honda 500/4?

It fails 18.2% of its MOT tests across the DVSA record, from 55 tests.

What do these cars fail their MOT on most?

The most common failure area is other, at 20.0% of this model's failures.