Used car guide

2004 Lexus RX: common problems and MOT failures

What MOT testers find on the Lexus RX first registered in 2004: we looked at the 3,530 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

3,530MOTs of 2004 cars, done in 2023–2025
68%pass first time (all 2004 cars: 57%)
6,000typical miles a year
2.6×the usual rate for suspension arm bushes and joints

What goes wrong more than usual on a 2004 Lexus RX?

Parts flagged at MOT more often on the 2004 Lexus RX than on all cars registered in 2004.

  • Suspension arm bushes and joints2.6× usual
    Lexus RX
    24.9% All 2004 cars
    9.4%

    Failed outright at MOT: 1.1%, against 2.1% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £120–£180 (one arm) ClickMechanic

    At the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.

  • Brake pads1.8× usual
    Lexus RX
    13.4% All 2004 cars
    7.5%

    Failed outright at MOT: 3.2%, against 1.8% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £75–£175 (one axle) ClickMechanic

    At the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.

  • Sub-frame2× usual
    Lexus RX
    10.6% All 2004 cars
    5.2%

    Failed outright at MOT: 0.4%, against 0.3% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £300–£1,000 our estimate

    At the viewing: Look underneath at the frame the suspension bolts to. Flaky rust or holes are expensive to fix.

  • Mirrors4× usual
    Lexus RX
    5.2% All 2004 cars
    1.3%

    Failed outright at MOT: 0.8%, against 0.3% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £30–£200 our estimate

    At the viewing: Check both door mirrors adjust and the glass isn't cracked.

  • Corroded fuel pipes5.6× usual
    Lexus RX
    3.9% All 2004 cars
    0.7%

    Failed outright at MOT: 0%, against 0% of all 2004 cars. The rest were advisories or minor defects.

    Rough price £100–£400 our estimate

    At 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.

Better than most

Rigid brake pipes: 3.1% here, against 17.4% of all 2004 cars. Coil springs: 1.7% here, against 10.7% of all 2004 cars.

Common 2004 Lexus RX MOT failures and advisories

The share of 2004 Lexus RX MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    49% 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
    34% 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.

  • Tyres
    29% 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
    28% of testsRough price £10–£80

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

  • Oil and fluid leaks
    25% 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 bodywork
    11% 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 2004 Lexus RX

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the suspension arm bushes and joints? (Flagged at MOT 2.6× as often on the 2004 Lexus RX as on other cars the same age.)
  2. Any recent work on the brake pads? (Flagged at MOT 1.8× as often on the 2004 Lexus RX as on other cars the same age.)
  3. Any recent work on the sub-frame? (Flagged at MOT 2× as often on the 2004 Lexus RX as on other cars the same age.)
  4. 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

YearMOT testsMost 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
20222,413Tyres 19%
20213,354Tyres 23%
20205,068Tyres 21%
20196,536Tyres 23%
20185,166Tyres 24%
20175,515Tyres 24%
20166,383Tyres 24%
20153,722Tyres 25%
20144,795Tyres 27%
20135,271Tyres 26%
20121,983Tyres 28%
2011317Suspension 34%
2010275Suspension 38%
2009463Suspension 40%
2008105Suspension 47%
2007132Suspension 55%
20064,376Suspension 49%
20052,105Suspension 51%
20031,556Suspension 45%
2002548Suspension 44%
2001400Suspension 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 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score