2009 Lexus RX450H: common problems and what to check
What gets flagged at MOT on 2009 Lexus RX450Hs, from 1,104 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 2009 Lexus RX450Hs than on all cars registered in 2009.
- Suspension arm bushes and joints1.9× usualLexus RX450H21.6% All 2009 cars11.1%
Failed outright at MOT: 1.8%, against 2.3% of all 2009 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.
- Shock absorbers1.8× usualLexus RX450H13.7% All 2009 cars7.5%
Failed outright at MOT: 2.8%, against 2% of all 2009 cars. The rest were advisories or minor defects.
Rough price £200–£300 (pair, average rear to front) ClickMechanicAt the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.
- Corroded fuel pipes8.2× usualLexus RX450H4.9% All 2009 cars0.6%
Failed outright at MOT: 0%, against 0% of all 2009 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.
Coil springs: 2.4% here, against 12.4% of all 2009 cars. Rigid brake pipes: 2.2% here, against 7.5% of all 2009 cars.
By area
The share of 2009 Lexus RX450H MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension44% 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.
- Tyres28% 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.
- Brakes22% 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 electrics21% 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 bodywork9% 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 mirrors8% 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% |
| 2010 | 2,413 | Suspension 41% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2009 Lexus RX450Hs registered in 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score