Used car guide

2002 SEAT Leon diesel: common problems and MOT failures

What MOT testers find on the diesel SEAT Leon first registered in 2002 (diesel cars only): we looked at the 308 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

Small sample: there were only 308 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.

308MOTs of 2002 diesel cars, done in 2023–2025
60%pass first time (all 2002 cars: 58%)
6,800typical miles a year
2.2×the usual rate for suspension arm bushes and joints

What goes wrong more than usual on a 2002 SEAT Leon diesel?

Parts flagged at MOT more often on the 2002 SEAT Leon diesel than on all cars registered in 2002.

  • Suspension arm bushes and joints2.2× usual
    SEAT Leon
    18.5% All 2002 cars
    8.3%

    Failed outright at MOT: 5.2%, against 1.9% of all 2002 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.

Common 2002 SEAT Leon diesel MOT failures and advisories

The share of 2002 SEAT Leon diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    56% 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
    52% 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 electrics
    34% of testsRough price £10–£80

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

  • Tyres
    32% 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.

  • Exhaust and emissions
    21% 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.

  • Oil and fluid leaks
    11% 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.

Questions to ask the seller before buying a 2002 SEAT Leon diesel

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 2.2× as often on the 2002 SEAT Leon diesel as on other cars the same age.)
  2. Can I see the service history and receipts for any big jobs?

Looking at a SEAT Leon?

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 SEAT Leon 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
20223,753Tyres 32%
202122,353Tyres 29%
202040,786Tyres 29%
201957,652Tyres 30%
201862,279Tyres 31%
201753,966Tyres 30%
201646,971Tyres 30%
201550,821Tyres 31%
201455,252Tyres 32%
201334,188Tyres 33%
201226,091Suspension 41%
201119,244Suspension 47%
201016,979Suspension 50%
200914,294Suspension 49%
200813,659Suspension 48%
200712,655Suspension 48%
20068,290Suspension 48%
20054,943Suspension 45%
20044,210Brakes 44%
20033,267Suspension 43%
2001757Suspension 47%
2000161Suspension 50%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of SEAT Leon cars first registered in 2002. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score