2004 SEAT Leon: common problems and MOT failures
What MOT testers find on the SEAT Leon first registered in 2004: we looked at the 4,210 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 2004 SEAT Leon?
Parts flagged at MOT more often on the 2004 SEAT Leon than on all cars registered in 2004.
- Drive shaft (CV) joints2× usualSEAT Leon13% All 2004 cars6.6%
Failed outright at MOT: 4%, against 3% of all 2004 cars. The rest were advisories or minor defects.
Rough price £60–£350 our estimateAt the viewing: Drive slowly on full steering lock in both directions and listen for clicking. Look for split rubber boots behind the front wheels.
- Front strut mounts and bushes3.6× usualSEAT Leon2.9% All 2004 cars0.8%
Failed outright at MOT: 0.4%, against 0.1% of all 2004 cars. The rest were advisories or minor defects.
Rough price £120–£400 our estimateAt the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Steering rack2.1× usualSEAT Leon3.5% All 2004 cars1.7%
Failed outright at MOT: 2.1%, against 1% of all 2004 cars. The rest were advisories or minor defects.
Rough price £100–£450 our estimateAt the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.
- Door condition4.2× usualSEAT Leon2.1% All 2004 cars0.5%
Failed outright at MOT: 2.1%, against 0.5% of all 2004 cars. The rest were advisories or minor defects.
Rough price £150–£1,000 our estimateAt the viewing: Check the sills, wheel arches and underneath for rust, and look along the panels for uneven gaps or paint.
- Airbag warning light1.9× usualSEAT Leon3.2% All 2004 cars1.7%
Failed outright at MOT: 2.7%, against 1.5% of all 2004 cars. The rest were advisories or minor defects.
Rough price £10–£80 our estimateAt the viewing: Ask a friend to check every light while you work the switches: indicators, brake lights, fog lights and reversing lights.
Rust around suspension or steering mountings: 0.7% here, against 6.1% of all 2004 cars. Anti-roll bar link joints: 1.2% here, against 4% of all 2004 cars.
Common 2004 SEAT Leon MOT failures and advisories
The share of 2004 SEAT Leon MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes44% 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.
- Suspension43% 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.
- Lights and electrics33% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- 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.
- Exhaust and emissions20% 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 leaks16% 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 2004 SEAT Leon
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Any recent work on the drive shaft (cv) joints? (Flagged at MOT 2× as often on the 2004 SEAT Leon as on other cars the same age.)
- Any recent work on the front strut mounts and bushes? (Flagged at MOT 3.6× as often on the 2004 SEAT Leon as on other cars the same age.)
- Any recent work on the steering rack? (Flagged at MOT 2.1× as often on the 2004 SEAT Leon as on other cars the same age.)
- 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
| 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 | 3,765 | Tyres 32% |
| 2021 | 22,353 | Tyres 29% |
| 2020 | 40,786 | Tyres 29% |
| 2019 | 57,652 | Tyres 30% |
| 2018 | 62,279 | Tyres 31% |
| 2017 | 53,966 | Tyres 30% |
| 2016 | 46,971 | Tyres 30% |
| 2015 | 50,821 | Tyres 31% |
| 2014 | 55,252 | Tyres 32% |
| 2013 | 34,188 | Tyres 33% |
| 2012 | 26,091 | Suspension 41% |
| 2011 | 19,245 | Suspension 47% |
| 2010 | 16,979 | Suspension 50% |
| 2009 | 14,297 | Suspension 49% |
| 2008 | 13,659 | Suspension 48% |
| 2007 | 12,655 | Suspension 48% |
| 2006 | 8,290 | Suspension 48% |
| 2005 | 4,943 | Suspension 45% |
| 2003 | 3,267 | Suspension 43% |
| 2002 | 1,589 | Suspension 49% |
| 2001 | 757 | Suspension 47% |
| 2000 | 178 | Suspension 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 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score