Seat Leon SE TDI Reliability, MOT Pass Rate & Common Faults
Free Seat Leon SE TDI car check
Is the Seat Leon SE TDI reliable? We analysed 9,715 real MOT tests across 1,674 vehicles to find out.
Got a specific Seat Leon SE TDI? Enter the reg for a free check:
The Seat Leon SE TDI is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Seat Leon SE TDI.
Seat Leon SE TDI Number Plates
Number plates registered to a Seat Leon SE TDI. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Seat Leon SE TDI MOT Pass Rate by Year
How likely is a Seat Leon SE TDI to pass its MOT? Here's the pass rate for each registration year, newest first.
Seat Leon SE TDI Common Faults & Problems
These are the most common serious faults found on Seat Leon SE TDI models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Seat Leon SE TDI Mileage — What's Normal?
How many miles does a typical Seat Leon SE TDI owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Seat Leon SE TDI MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Seat Leon SE TDI year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2022 | 100 | 85.0% | 40,880 | 49,020 | 60,075 |
Seat Leon SE TDI Mileage Distribution
Total mileage recorded across all Seat Leon SE TDI MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Seat Leon SE TDI
Based on MOT pass rates across all registration years with sufficient test data.
85.0% MOT pass rate from 100 tests
The best year to buy a used Seat Leon SE TDI is 2022, which has the highest MOT pass rate at 85.0% across 100 tests.
How Does the Seat Leon SE TDI Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Seat Leon SE TDI THIS CAR | 88.2% | 9,715 | 96,137 mi | — yrs |
| Seat Ibiza | 73.7% | 3,964,856 | 60,259 mi | 31 yrs |
| Seat Leon | 78% | 3,000,659 | 70,859 mi | 26 yrs |
| Seat Alhambra | 72.5% | 690,916 | 95,606 mi | 30 yrs |
| Mercedes-benz Gla 200 AMG Line Edition A | 91.3% | 6,650 | 29,233 mi | — yrs |
Compared to the Seat Ibiza (73.7% pass rate) and the Seat Leon (78.0% pass rate), the Seat Leon SE TDI outperforms both on MOT reliability.
Found a Seat Leon SE TDI you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Seat Leon SE TDIShould you buy a used Seat Leon SE TDI?
The Seat Leon SE TDI has an overall MOT pass rate of 88.2% across 9,715 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Seat Leon SE TDI with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Seat Leon SE TDI owner drives around 9,520 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.