Used car guide · 2014–2018

Audi S1 common problems and MOT failures

What goes wrong on a used Audi S1, year by year: known faults from UK buying guides, the parts flagged at MOT more than on other cars (from 355 MOTs done during 2023–2025), and what to check before you buy one.

355MOTs done in 2023–2025, all years of this model
2,858on the UK register

Pick the year

Most years have their own guide. The year is when the car was first registered (it’s on the logbook, or check the reg below).

20182017201620152014

What usually goes wrong with an Audi S1?

We haven’t found widely reported faults for the Audi S1 in the UK buying guides we use yet. That doesn’t mean it has none, so check the car carefully and look at the MOT weak spots below.

Audi S1 MOT pass rate by year

Older cars fail more, so compare each year with all cars registered the same year.

YearPass first timeAll cars that yearMOT tests
201480%70% +10355 (small sample)

Looking at an Audi S1?

Check the actual car: its own MOT history and what to ask the seller. Free, no sign-up.

Where this comes from: MOT figures are the DVSA’s anonymised results for every MOT test done in Great Britain during 2023–2025, grouped by the year each car was first registered. How many are on the road is from the Department for Transport’s vehicle licensing statistics. Known faults are from UK buying guides, in our own words, with links. How we score