2010 Lexus RX450H: common problems and what to check
What gets flagged at MOT on 2010 Lexus RX450Hs, from 2,413 tests in 2025, plus known faults and what to look at before you buy one.
What stands out
Parts flagged at MOT more often on 2010 Lexus RX450Hs than on all cars registered in 2010.
- Suspension arm bushes and joints2× usualLexus RX450H22.3% All 2010 cars11%
Failed outright at MOT: 1.7%, against 2.2% of all 2010 cars. The rest were advisories or minor defects.
Rough price £120–£180 (one arm) ClickMechanicAt the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.
- Corroded fuel pipes8.4× usualLexus RX450H4.2% All 2010 cars0.5%
Failed outright at MOT: 0%, against 0% of all 2010 cars. The rest were advisories or minor defects.
Rough price £100–£400 our estimateAt the viewing: Ask to see underneath, or check the MOT advisories: corroded brake or fuel pipes get worse every year and fail the MOT when they do.
- Link ball joint covers2× usualLexus RX450H5.7% All 2010 cars2.8%
Failed outright at MOT: 2.7%, against 1.6% of all 2010 cars. The rest were advisories or minor defects.
Rough price £60–£150 (one joint) ClickMechanicAt the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.
- Wheel bearings1.9× usualLexus RX450H3.8% All 2010 cars2%
Failed outright at MOT: 1%, against 0.8% of all 2010 cars. The rest were advisories or minor defects.
Rough price £120–£300 (one bearing) ClickMechanicAt the viewing: Listen for a hum or growl that changes as you steer at speed.
Coil springs: 1.7% here, against 11.4% of all 2010 cars. Engine oil leaks: 1% here, against 10.2% of all 2010 cars.
By area
The share of 2010 Lexus RX450H MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension41% 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.
- Tyres29% 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.
- Brakes20% 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 electrics19% 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 bodywork8% 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.
- Wipers, windscreen and mirrors6% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2012 | 1,045 | Suspension 35% |
| 2011 | 1,650 | Suspension 41% |
| 2009 | 1,104 | Suspension 44% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2010 Lexus RX450Hs registered in 2010. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score