Used car guide

2015 Mazda 5: common problems and what to check

What gets flagged at MOT on 2015 Mazda 5s, from 678 tests in 2025, plus known faults and what to look at before you buy one.

678MOT tests in 2025
66%pass first time (all 2015 cars: 72%)
8,000typical miles a year
3.2×the usual rate for suspension arm bushes and joints

What stands out

Parts flagged at MOT more often on 2015 Mazda 5s than on all cars registered in 2015.

  • Suspension arm bushes and joints3.2× usual
    Mazda 5
    22.7% All 2015 cars
    7.1%

    Failed outright at MOT: 4.6%, 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.

  • Ball joint2.9× usual
    Mazda 5
    10.3% All 2015 cars
    3.6%

    Failed outright at MOT: 6.6%, against 1.9% 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.

  • Sub-frame3.9× usual
    Mazda 5
    6.2% All 2015 cars
    1.6%

    Failed outright at MOT: 0%, against 0.1% of all 2015 cars. The rest were advisories or minor defects.

    Rough price £300–£1,000 our estimate

    At the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.

  • Shock absorbers1.9× usual
    Mazda 5
    9.9% All 2015 cars
    5.2%

    Failed outright at MOT: 2.5%, 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.

  • Anti-roll bar link joints3.6× usual
    Mazda 5
    5% All 2015 cars
    1.4%

    Failed outright at MOT: 1.9%, 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.

By area

The share of 2015 Mazda 5 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    46% 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.

  • Tyres
    38% 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
    28% 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
    17% 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
    8% 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
    7% of testsRough price £15–£250

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

Looking at a Mazda 5?

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Other years

YearMOT testsMost flagged
2014575Suspension 45%
2013723Suspension 52%
2012744Suspension 55%
2011744Suspension 59%
20101,248Suspension 61%
20091,024Suspension 63%
20081,384Suspension 63%
20071,108Suspension 67%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2015 Mazda 5s registered in 2015. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score