Used car guide

2008 Lexus GS300: common problems and what to check

What gets flagged at MOT on 2008 Lexus GS300s, from 153 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 153 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

153MOT tests in 2025
77%pass first time (all 2008 cars: 57%)
5,700typical miles a year
31%had brakes flagged

What gets flagged at MOT

The share of 2008 Lexus GS300 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    31% 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
    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.

  • Tyres
    25% 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
    21% of testsRough price £10–£80

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

  • Exhaust and emissions
    13% 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.

  • Rust and bodywork
    5% 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.

Looking at a Lexus GS300?

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Other years

YearMOT testsMost flagged
2007250Suspension 30%
2006399Suspension 33%
2005642Suspension 32%
2003119Suspension 41%
2002104Suspension 46%
2001102Suspension 39%
1998103Suspension 41%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2008 Lexus GS300s registered in 2008. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score