12,550 MOT tests in 2024. 87.4% passed first time, compared with 82.5% for all cars the same age.
106Above average
Passed first time87.4%
Failed or needed repairs12.6%
Typical mileage at test44,000
Most common reasons for failing
Share of all 12,550 tests where this item caused a failure.
Tread depth below requirements of 1.6mm2.0%
423 marked dangerous
Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.4%
Brake pads: less than 1.5 mm thick1.3%
202 marked dangerous
Coil spring: fractured or broken1.2%
Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.8%
Suspension arms - pins and bushes: pin or bush excessively worn0.6%
Tyres - condition: has ply or cords exposed0.5%
100 marked dangerous
Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.5%
74 marked dangerous
Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits0.5%
Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds default limits0.5%
Problem areas
Failure items found per 100 tests, by part of the car.
Tyres5.5%
Emissions & leaks3.1%
Brakes2.5%
Suspension2.4%
Lights & electrics2.1%
Visibility (wipers, screen, mirrors)1.7%
Seat belts & airbags0.2%
Number plates & VIN0.2%
Most common advisories
Not failures yet, but things the tester warned about.
Tread depth below requirements of 1.6mm14.7%
Brake discs: in such a condition that it is seriously weakened12.6%
Tyres - condition: has a tear, caused by separation or partial failure of its structure10.5%
Brake pads: less than 1.5 mm thick8.1%
Suspension arms - pins and bushes: pin or bush excessively worn6.5%
What this means if you are buying one
This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone.
Before buying, check the area that fails most: tread depth below requirements of 1.6mm. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.
In 2024, 87.4% of 2018 Audi Q3 cars passed their MOT first time, across 12,550 tests. The average for all 6-year-old cars was 82.5%.
What are the most common MOT failures on a 2018 Audi Q3?
The most common failure reasons were tread depth below requirements of 1.6mm; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; brake pads: less than 1.5 mm thick. The biggest problem area was tyres.
Is the 2018 Audi Q3 reliable at MOT time?
Its MOT Rank score is 106, which is above average for a car of its age (100 means exactly average).