2003 Lexus RX: common problems and MOT failures
What MOT testers find on the Lexus RX first registered in 2003: we looked at the 1,556 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2003 Lexus RX?
Parts flagged at MOT more often on the 2003 Lexus RX than on all cars registered in 2003.
- Suspension arm bushes and joints2.5× usualLexus RX21.9% All 2003 cars8.6%
Failed outright at MOT: 1.8%, against 1.9% of all 2003 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.
- Brake pads1.9× usualLexus RX13.1% All 2003 cars6.8%
Failed outright at MOT: 3%, against 1.7% of all 2003 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
- Sub-frame2.1× usualLexus RX9.7% All 2003 cars4.7%
Failed outright at MOT: 0.5%, against 0.3% of all 2003 cars. The rest were advisories or minor defects.
Rough price £300–£1,000 our estimateAt the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.
- Mirrors2.9× usualLexus RX4.1% All 2003 cars1.4%
Failed outright at MOT: 0.9%, against 0.3% of all 2003 cars. The rest were advisories or minor defects.
Rough price £30–£200 our estimateAt the viewing: Check both door mirrors adjust and the glass isn't cracked.
- Corroded fuel pipes3.4× usualLexus RX2.4% All 2003 cars0.7%
Failed outright at MOT: 0%, against 0% of all 2003 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.
Rigid brake pipes: 2.6% here, against 18.8% of all 2003 cars. Coil springs: 1.4% here, against 10.4% of all 2003 cars.
Common 2003 Lexus RX MOT failures and advisories
The share of 2003 Lexus RX MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Suspension45% 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.
- Brakes33% 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 electrics31% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- 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.
- Oil and fluid leaks23% 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.
- Rust and bodywork10% 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.
Questions to ask the seller before buying a 2003 Lexus RX
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the suspension arm bushes and joints? (Flagged at MOT 2.5× as often on the 2003 Lexus RX as on other cars the same age.)
- Any recent work on the brake pads? (Flagged at MOT 1.9× as often on the 2003 Lexus RX as on other cars the same age.)
- Any recent work on the sub-frame? (Flagged at MOT 2.1× as often on the 2003 Lexus RX as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Lexus RX?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Lexus RX compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | – | Too new for MOT data |
| 2022 | 2,413 | Tyres 19% |
| 2021 | 3,354 | Tyres 23% |
| 2020 | 5,068 | Tyres 21% |
| 2019 | 6,536 | Tyres 23% |
| 2018 | 5,166 | Tyres 24% |
| 2017 | 5,515 | Tyres 24% |
| 2016 | 6,383 | Tyres 24% |
| 2015 | 3,722 | Tyres 25% |
| 2014 | 4,795 | Tyres 27% |
| 2013 | 5,271 | Tyres 26% |
| 2012 | 1,983 | Tyres 28% |
| 2011 | 317 | Suspension 34% |
| 2010 | 275 | Suspension 38% |
| 2009 | 463 | Suspension 40% |
| 2008 | 105 | Suspension 47% |
| 2007 | 132 | Suspension 55% |
| 2006 | 4,376 | Suspension 49% |
| 2005 | 2,105 | Suspension 51% |
| 2004 | 3,530 | Suspension 49% |
| 2002 | 548 | Suspension 44% |
| 2001 | 400 | Suspension 51% |
| 2000 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Lexus RX cars first registered in 2003. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score