Used car guide

2017 THE Explorer Group Unclassified: common problems and what to check

What gets flagged at MOT on 2017 THE Explorer Group Unclassifieds, from 103 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 103 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

103MOT tests in 2025
90%pass first time (all 2017 cars: 78%)
2,300typical miles a year
10%had lights and electrics flagged

What gets flagged at MOT

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

  • 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.

  • Tyres
    9% 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
    8% 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
    4% of testsRough price £15–£250

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

  • Brakes
    4% 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.

  • Oil and fluid leaks
    3% 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.

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Other years

YearMOT testsMost flagged
2016143Lights and electrics 11%

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