Used car guide

2018 Vauxhall Mokka: common problems and what to check

What gets flagged at MOT on 2018 Vauxhall Mokkas, from 31,813 tests in 2025, plus known faults and what to look at before you buy one.

31,813MOT tests in 2025
71%pass first time (all 2018 cars: 81%)
6,500typical miles a year
16.6×the usual rate for ball joint dust cover

What stands out

Parts flagged at MOT more often on 2018 Vauxhall Mokkas than on all cars registered in 2018.

  • Ball joint dust cover16.6× usual
    Vauxhall Mokka
    13.3% All 2018 cars
    0.8%
    Rough price £80–£200

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

  • Exhaust system7.6× usual
    Vauxhall Mokka
    8.4% All 2018 cars
    1.1%
    Rough price £100–£500

    At the viewing: Listen for blowing or rattling from underneath at idle, and look for black soot around joints.

  • Coil springs3.7× usual
    Vauxhall Mokka
    6.3% All 2018 cars
    1.7%
    Rough price £120–£300

    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.

  • Engine oil leaks4.1× usual
    Vauxhall Mokka
    5.7% All 2018 cars
    1.4%
    Rough price £80–£600

    At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

  • Wipers2.4× usual
    Vauxhall Mokka
    6.1% All 2018 cars
    2.5%
    Rough price £15–£60

    At the viewing: Test the wipers and washers on every speed.

By area

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

  • Tyres
    29% 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
    23% 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
    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
    10% 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.

  • Wipers, windscreen and mirrors
    8% of testsRough price £15–£250

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

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Other years

YearMOT testsMost flagged
201922,132Tyres 29%
201736,773Tyres 29%
201639,834Suspension 33%
201542,446Suspension 37%
201431,065Suspension 41%
201312,191Suspension 46%

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