Used car guide

2018 Audi Q7: common problems and what to check

What gets flagged at MOT on 2018 Audi Q7s, from 4,695 tests in 2025, plus known faults and what to look at before you buy one.

4,695MOT tests in 2025
85%pass first time (all 2018 cars: 81%)
9,600typical miles a year
3×the usual rate for suspension arm bushes and joints

What stands out

Parts flagged at MOT more often on 2018 Audi Q7s than on all cars registered in 2018.

  • Suspension arm bushes and joints3× usual
    Audi Q7
    9.7% All 2018 cars
    3.2%

    Failed outright at MOT: 1.3%, against 0.5% of all 2018 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.

  • Coil springs2.1× usual
    Audi Q7
    3.5% All 2018 cars
    1.7%

    Failed outright at MOT: 3.4%, against 1.3% of all 2018 cars. The rest were advisories or minor defects.

    Rough price £175–£400 (pair, one axle) ClickMechanic

    At the viewing: Look behind each wheel for a snapped spring coil, and listen for a clunk or twang when turning the wheel lock to lock with the car stopped.

By area

The share of 2018 Audi Q7 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    26% 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
    17% 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.

  • Suspension
    15% 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.

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

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

  • Seats and seatbelts
    5% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Lights and electrics
    4% of testsRough price £10–£80

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

Looking at a Audi Q7?

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Other years

YearMOT testsMost flagged
20223,209Tyres 26%
20213,146Tyres 24%
20203,591Tyres 25%
20194,443Tyres 26%
20175,195Tyres 25%
20164,755Tyres 24%
20153,159Tyres 26%
20143,121Tyres 30%
20133,083Tyres 30%
20122,217Tyres 30%
20111,681Tyres 30%
20101,346Tyres 34%
20091,131Tyres 31%
20081,847Tyres 34%
20072,484Tyres 35%
2006953Suspension 34%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2018 Audi Q7s registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score