Used car guide

2020 Kia Proceed GT-Line: common problems and what to check

What gets flagged at MOT on 2020 Kia Proceed GT-Lines, from 780 tests in 2025, plus known faults and what to look at before you buy one.

780MOT tests in 2025
82%pass first time (all 2020 cars: 86%)
8,800typical miles a year
6.6×the usual rate for suspension arm bushes and joints

What stands out

Parts flagged at MOT more often on 2020 Kia Proceed GT-Lines than on all cars registered in 2020.

  • Suspension arm bushes and joints6.6× usual
    Kia Proceed GT-Line
    11.9% All 2020 cars
    1.8%

    Failed outright at MOT: 1.4%, against 0.3% of all 2020 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.

  • Brake discs2.1× usual
    Kia Proceed GT-Line
    19.1% All 2020 cars
    9%

    Failed outright at MOT: 1%, against 0.4% of all 2020 cars. The rest were advisories or minor defects.

    Rough price £150–£350 our estimate

    At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

By area

The share of 2020 Kia Proceed GT-Line MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    34% 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
    25% 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
    13% 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
    7% 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
    4% 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.

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Other years

YearMOT testsMost flagged
2023127Tyres 18%
20221,498Tyres 24%
20211,124Tyres 28%
20191,479Tyres 30%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 Kia Proceed GT-Lines registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score