Used car guide

2017 Fiat 124: common problems and what to check

What gets flagged at MOT on 2017 Fiat 124s, from 815 tests in 2025, plus known faults and what to look at before you buy one.

815MOT tests in 2025
84%pass first time (all 2017 cars: 78%)
3,700typical miles a year
4×the usual rate for sidelights

What stands out

Parts flagged at MOT more often on 2017 Fiat 124s than on all cars registered in 2017.

  • Sidelights4× usual
    Fiat 124
    4% All 2017 cars
    1%

    Failed outright at MOT: 4%, against 0.8% of all 2017 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.

By area

The share of 2017 Fiat 124 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • 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.

  • Tyres
    19% 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.

  • Lights and electrics
    13% of testsRough price £10–£80

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

  • Suspension
    9% 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.

Looking at a Fiat 124?

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Other years

YearMOT testsMost flagged
20181,302Brakes 21%
2016658Brakes 22%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2017 Fiat 124s registered in 2017. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score