Used car guide

2015 Vauxhall Mokka petrol: common problems and MOT failures

What MOT testers find on the petrol Vauxhall Mokka first registered in 2015 (petrol cars only): we looked at the 85,296 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

85,296MOTs of 2015 petrol cars, done in 2023–2025
68%pass first time (all 2015 cars: 74%)
6,400typical miles a year
8.1×the usual rate for ball joint dust cover

What goes wrong more than usual on a 2015 Vauxhall Mokka petrol?

Parts flagged at MOT more often on the 2015 Vauxhall Mokka petrol than on all cars registered in 2015.

  • Ball joint dust cover8.1× usual
    Vauxhall Mokka
    11.4% All 2015 cars
    1.4%

    Failed outright at MOT: 6.7%, against 0.5% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

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

  • Engine oil leaks4.1× usual
    Vauxhall Mokka
    10.2% All 2015 cars
    2.5%

    Failed outright at MOT: 0.2%, against 0.1% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £80–£600 our estimate

    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.

  • Exhaust system4.3× usual
    Vauxhall Mokka
    9.9% All 2015 cars
    2.3%

    Failed outright at MOT: 2.3%, against 0.6% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £100–£500 (pipe or section) ClickMechanic

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

  • Track rod ends2.2× usual
    Vauxhall Mokka
    6.5% All 2015 cars
    2.9%

    Failed outright at MOT: 4.3%, against 1.4% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £50–£150 (one end, plus about £30–£50 if it needs a wheel alignment) ClickMechanic

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

  • Sidelights3× usual
    Vauxhall Mokka
    5.1% All 2015 cars
    1.7%

    Failed outright at MOT: 5%, against 1.5% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £10–£80 our estimate

    At the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.

Better than most

Suspension arm bushes and joints: 2.3% here, against 5.9% of all 2015 cars. Shock absorbers: 1.1% here, against 4.6% of all 2015 cars.

Common 2015 Vauxhall Mokka petrol MOT failures and advisories

The share of 2015 Vauxhall Mokka petrol 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
    27% 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
    21% 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.

  • Oil and fluid leaks
    11% 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.

  • Exhaust and emissions
    11% 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 an engine warning light.

Known faults on the 2015 Vauxhall Mokka petrol

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Three safety recalls

    All engines

    The Mokka has been recalled for a steering wheel bolt that can work loose, a seatbelt pre-tensioner fault and an electrical fault that could cause a fire.

    At the viewing: Ask a Vauxhall dealer to check the VIN, and check for warning lights or any burning smell.

    Source: What Car?: used Vauxhall Mokka X advice

Questions to ask the seller before buying a 2015 Vauxhall Mokka petrol

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Has all the recall work been done?
  2. Any recent work on the ball joint dust cover? (Flagged at MOT 8.1× as often on the 2015 Vauxhall Mokka petrol as on other cars the same age.)
  3. Any recent work on the engine oil leaks? (Flagged at MOT 4.1× as often on the 2015 Vauxhall Mokka petrol as on other cars the same age.)
  4. Any recent work on the exhaust system? (Flagged at MOT 4.3× as often on the 2015 Vauxhall Mokka petrol as on other cars the same age.)
  5. Can I see the service history and receipts for any big jobs?

Looking at a Vauxhall Mokka?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Vauxhall Mokka compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
20231,419Tyres 17%
202224,158Tyres 20%
202125,471Tyres 19%
201966,467Tyres 26%
201894,034Tyres 29%
2017109,073Tyres 30%
2016118,769Tyres 31%
201494,005Suspension 35%
201337,246Suspension 42%
20122,349Suspension 43%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Vauxhall Mokka cars first registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score