Used car guide

2009 Audi S3: common problems and what to check

What gets flagged at MOT on 2009 Audi S3s, from 260 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 260 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

260MOT tests in 2025
73%pass first time (all 2009 cars: 58%)
6,500typical miles a year
28%had suspension flagged

What gets flagged at MOT

The share of 2009 Audi S3 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    28% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Tyres
    24% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    20% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Lights and electrics
    16% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Exhaust and emissions
    9% of testsRough price £100–£1,200

    At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

  • Oil and fluid leaks
    9% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

Looking at an Audi S3?

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Other years

YearMOT testsMost flagged
20221,630Tyres 22%
20211,571Tyres 20%
2020629Tyres 23%
2015179Tyres 20%
2014730Tyres 19%
2013210Tyres 20%
2012183Suspension 26%
2011300Suspension 27%
2010355Suspension 30%
2008268Suspension 35%
2007290Suspension 35%
2002159Suspension 30%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2009 Audi S3s registered in 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score