2021 Audi TT: common problems and what to check
What gets flagged at MOT on 2021 Audi TTs, from 2,437 tests in 2025, plus known faults and what to look at before you buy one.
What gets flagged at MOT
The share of 2021 Audi TT MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres26% 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.
- Brakes9% 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.
- Wipers, windscreen and mirrors3% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Suspension2% 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.
- Lights and electrics2% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2022 | 2,600 | Tyres 26% |
| 2020 | 3,005 | Tyres 29% |
| 2019 | 4,639 | Tyres 28% |
| 2018 | 4,133 | Tyres 27% |
| 2017 | 7,434 | Tyres 28% |
| 2016 | 9,169 | Tyres 28% |
| 2015 | 8,561 | Tyres 28% |
| 2014 | 3,926 | Tyres 28% |
| 2013 | 6,309 | Tyres 29% |
| 2012 | 5,542 | Tyres 29% |
| 2011 | 6,259 | Tyres 30% |
| 2010 | 6,276 | Suspension 35% |
| 2009 | 5,764 | Suspension 35% |
| 2008 | 6,783 | Suspension 37% |
| 2007 | 7,379 | Suspension 38% |
| 2006 | 2,697 | Suspension 42% |
| 2005 | 3,275 | Suspension 48% |
| 2004 | 4,129 | Suspension 48% |
| 2003 | 4,107 | Suspension 48% |
| 2002 | 3,499 | Suspension 49% |
| 2001 | 2,317 | Suspension 50% |
| 2000 | 1,469 | Suspension 49% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2021 Audi TTs registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score