Used car guide

2015 Audi A5: common problems and what to check

What gets flagged at MOT on 2015 Audi A5s, from 10,199 tests in 2025, plus known faults and what to look at before you buy one.

10,199MOT tests in 2025
78%pass first time (all 2015 cars: 72%)
8,600typical miles a year
1.9×the usual rate for suspension arm bushes and joints

What stands out

Parts flagged at MOT more often on 2015 Audi A5s than on all cars registered in 2015.

  • Suspension arm bushes and joints1.9× usual
    Audi A5
    13.5% All 2015 cars
    7.1%

    Failed outright at MOT: 2.1%, against 1.4% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

  • Shock absorbers2× usual
    Audi A5
    10.6% All 2015 cars
    5.2%

    Failed outright at MOT: 2.4%, against 1.1% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £200–£300 (pair, average rear to front) ClickMechanic

    At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

Better than most

Number plate lights: 0.3% here, against 4.1% of all 2015 cars.

By area

The share of 2015 Audi A5 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    33% 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.

  • Suspension
    25% 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.

  • Brakes
    19% 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 mirrors
    7% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Lights and electrics
    7% of testsRough price £10–£80

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

  • Driveshafts and joints
    3% of testsRough price £60–£350

    At the viewing: On full steering lock, drive slowly and listen for clicking from the front wheels.

Looking at a Audi A5?

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Other years

YearMOT testsMost flagged
20224,426Tyres 27%
20215,297Tyres 28%
20204,815Tyres 30%
20199,863Tyres 30%
201811,393Tyres 29%
201713,804Tyres 27%
20168,258Tyres 34%
201410,463Tyres 33%
201310,364Tyres 34%
20128,915Tyres 35%
20119,195Suspension 40%
20109,427Suspension 41%
20095,342Suspension 41%
20083,486Suspension 47%
20071,156Suspension 45%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2015 Audi A5s registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score