Used car guide

2008 MG TF: common problems and what to check

What gets flagged at MOT on 2008 MG TFs, from 108 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 108 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

108MOT tests in 2025
69%pass first time (all 2008 cars: 57%)
2,600typical miles a year
30%had suspension flagged

What gets flagged at MOT

The share of 2008 MG TF MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    30% 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.

  • 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
    19% 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
    16% 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.

  • 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.

  • Exhaust and emissions
    5% 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.

Looking at an MG TF?

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Other years

YearMOT testsMost flagged
2010210Brakes 26%
2009289Brakes 29%
2006283Suspension 34%
20051,161Suspension 34%
20042,370Suspension 36%
20032,482Brakes 36%
20021,629Suspension 32%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2008 MG TFs registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score