Used car guide

2002 MG ZS: common problems and what to check

What gets flagged at MOT on 2002 MG ZSs, from 180 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 180 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

180MOT tests in 2025
61%pass first time (all 2002 cars: 60%)
3,800typical miles a year
42%had brakes flagged

What gets flagged at MOT

The share of 2002 MG ZS MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    42% 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
    33% 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
    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.

  • Lights and electrics
    24% of testsRough price £10–£80

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

  • Rust and bodywork
    16% of testsRough price £150–£1,000

    At the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.

  • Oil and fluid leaks
    12% 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.

Looking at an MG ZS?

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Other years

YearMOT testsMost flagged
20231,644Tyres 18%
202217,647Brakes 23%
202114,989Tyres 26%
202012,499Tyres 34%
20198,696Tyres 35%
20185,092Tyres 32%
2017351Tyres 36%
2005221Suspension 30%
2004302Suspension 41%
2003243Suspension 44%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2002 MG ZSs registered in 2002. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score