Known APK problem

SEAT Leon II: leaks

On the SEAT Leon II the APK inspector finds leaks problems 3.1× as often as on cars of the same age: at 13–15 years 17.3%, against about 5.6% nationally.

Illustration SEAT Leon II

Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026

What is it?

Leaks of oil, coolant or other fluids.

Repair indication: mediuma targeted repair at the garage.

How to check it at the viewing

Look under the engine and where the car was parked. Open the bonnet and look for wet, greasy spots.

Ask the seller: Does the car lose oil or coolant?

By age

Share of inspected SEAT Leon IIs with this defect, compared with all cars of the same age.

AgeTypeLeon II95%-CINationalDifferencen
13 – 15 yearsC17.3%16.2 – 18.5%5.6%3.1×4,322
16+ yearsC10.7%10.0 – 11.5%11.9%0.9×5,964

A = structure, safety or costly mechanics; B = fail, usually simple; C = advisory. An age is missing when this defect is not among the most common there.

Comparable cars at 13–15 years

ModelLeaksVs. national
SEAT Leon II17.3%3.1×
Suzuki SX4 I0.5%0.1×
Lexus CT 200h0.6%0.1×
Toyota Auris I1.0%0.2×
Mercedes-Benz C-Klasse W2049.4%1.7×
Peugeot 308 I14.4%2.6×

Looking at a SEAT Leon II? Check that car

Enter the plate and see the APK history, open recalls and how this car compares with other SEAT Leon IIs of the same age.

All weak spots of the SEAT Leon II · Leaks: which models more often · Checklist for this model

Frequently asked questions

Does the SEAT Leon II often have leaks problems?

Yes, more often than average at the APK. At 13–15 years the inspector found a leaks defect on 17.3% of inspected SEAT Leon IIs, against about 5.6% of all cars of the same age (3.1×). Source: RDW Open Data, Oct 2025 – Sep 2026.

How do you check the leaks on a used SEAT Leon II?

Look under the engine and where the car was parked. Open the bonnet and look for wet, greasy spots.

Repair indication: small, medium or large. An indication of the usual repair, not a quote: the real cost depends on the car, the cause and the garage.

Source: RDW Open Data (CC0), analysis CarXray.nl. 6,857,004 inspected passenger cars aged 3 years and older, Oct 2025 – Sep 2026. Each car counts once. How we know