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Seat Leon S TDI 104 Reliability, MOT Pass Rate & Common Faults

Free Seat Leon S TDI 104 car check

Is the Seat Leon S TDI 104 reliable? We analysed 2,826 real MOT tests across 400 vehicles to find out.

Got a specific Seat Leon S TDI 104? Enter the reg for a free check:

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Data last updated: · Based on 2,826 real MOT tests
MOT Pass Rate
79.8%
Typical Mileage
128,222mi
Annual Mileage
8,403mi/yr
Est. Lifespan
yrs

The Seat Leon S TDI 104 is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Seat Leon S TDI 104.

Seat Leon S TDI 104 Number Plates

Number plates registered to a Seat Leon S TDI 104. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Seat Leon S TDI 104 Mileage — What's Normal?

How many miles does a typical Seat Leon S TDI 104 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,722 mi/yr
Typical
8,403 mi/yr
Average
9,608 mi/yr
Heavy usage
11,784 mi/yr

Seat Leon S TDI 104 Mileage Distribution

Total mileage recorded across all Seat Leon S TDI 104 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
128,222 mi
75th Percentile
155,639 mi
95th Percentile
195,331 mi
Max Recorded
1,408,607 mi

How Does the Seat Leon S TDI 104 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Seat Leon S TDI 104 THIS CAR 79.8% 2,826 128,222 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
Saab 9000 Aero 68.3% 954 149,638 mi 33 yrs

Compared to the Seat Ibiza (73.7% pass rate) and the Seat Leon (78.0% pass rate), the Seat Leon S TDI 104 outperforms both on MOT reliability.

Found a Seat Leon S TDI 104 you like?

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Should you buy a used Seat Leon S TDI 104?

The Seat Leon S TDI 104 has an overall MOT pass rate of 79.8% across 2,826 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

A typical Seat Leon S TDI 104 owner drives around 8,403 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.

Seat Leon S TDI 104 — Frequently Asked Questions

Is the Seat Leon S TDI 104 reliable?
Based on 2,826 MOT tests, the Seat Leon S TDI 104 has a 79.8% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Seat Leon S TDI 104?
The most common failure point is general wear and tear.
How many miles does a Seat Leon S TDI 104 do per year?
The typical Seat Leon S TDI 104 does around 8,403 miles per year. Anything significantly above or below this is worth investigating.
How long does a Seat Leon S TDI 104 last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Seat Leon S TDI 104?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.