Plain-English answers to the MOT questions UK drivers ask most.
The questions people actually ask about the MOT
Most MOT confusion comes down to four things: when the test is due, what counts as a failure rather than an advisory, whether the car can legally be driven, and who pays for what. The answers are simpler than the internet makes them.
The test is a snapshot of roadworthiness on the day. It is not a service, it is not a guarantee for the next twelve months, and passing does not mean nothing is wrong with the car.
Failures, majors, minors and advisories
A dangerous or major defect is a fail and must be repaired. A minor defect is recorded but the car still passes — it is a 'sort this soon' note. An advisory is something wearing out that is not yet a defect, like tyres near the limit or light corrosion.
You are entitled to the full failure sheet and an explanation of each item. A good garage will tell you which advisory matters and which one you can leave until next year.
Driving, timing and money
With no valid MOT you may only drive to a pre-booked test or to arranged repairs. With a dangerous defect recorded, the car should not be driven at all. Test early — up to a month minus a day before expiry — and you keep the original renewal date.
The test fee is capped at £54.85 for a car; Bob's charges that and nothing on top. Repairs are separate and can be done wherever you choose.
Frequently asked questions
Can I drive my car if it failed the MOT?
Only to a pre-booked test or to repairs you have arranged, and not at all if a dangerous defect was recorded.
What is the difference between a minor and an advisory?
A minor is a recorded defect on a passed test that should be fixed soon; an advisory is a warning about something wearing out that is not yet a defect.
Does a pass mean the car is fault-free?
No. The MOT checks roadworthiness on the day and does not cover engine, clutch or gearbox condition.
When is my MOT due?
Twelve months from the last test, or three years from first registration for a new car. The expiry date shows on the DVSA record for the registration.