Known APK problem

SEAT Leon III: brakes

On the SEAT Leon III the APK inspector finds brakes problems 60% more often than on cars of the same age: at 5–6 years 2.9%, against about 1.8% nationally.

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

What is it?

Worn or rusted brake discs and pads, or uneven braking.

Repair indication: mediuma targeted repair at the garage.

How to check it at the viewing

Look through the wheel at the discs: no deep grooves or thick rust edge. Brake firmly on the test drive: the car should stay straight.

Ask the seller: When were the brake discs and pads last replaced?

By age

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

Age	Type	Leon III	95%-CI	National	Difference	n
5 – 6 years	A	0.3%	0.1 – 0.7%	0.7%	0.4×	2,008
5 – 6 years	B	1.1%	0.7 – 1.7%	1.2%	0.9×	2,008
5 – 6 years	C	2.9%	2.2 – 3.7%	1.8%	1.6×	2,008
7 – 8 years	A	0.6%	0.4 – 0.8%	1.2%	0.5×	6,505
7 – 8 years	B	1.1%	0.8 – 1.3%	1.6%	0.7×	6,505
7 – 8 years	C	3.4%	3.0 – 3.9%	2.6%	1.3×	6,505
9 – 10 years	A	1.6%	1.4 – 1.9%	1.8%	0.9×	8,201
9 – 10 years	B	1.3%	1.1 – 1.6%	1.6%	0.8×	8,201
9 – 10 years	C	3.9%	3.5 – 4.3%	2.8%	1.4×	8,201
11 – 12 years	A	2.3%	2.0 – 2.7%	2.9%	0.8×	8,833
11 – 12 years	B	1.5%	1.2 – 1.7%	1.9%	0.8×	8,833
11 – 12 years	C	3.9%	3.6 – 4.4%	2.8%	1.4×	8,833
13 – 15 years	A	3.3%	2.4 – 4.6%	4.1%	0.8×	993
13 – 15 years	B	1.9%	1.2 – 3.0%	1.9%	1.0×	993
13 – 15 years	C	3.9%	2.9 – 5.3%	3.0%	1.3×	993

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 5–6 years

Model	Brakes	Vs. national
SEAT Leon III	2.9%	1.6×
Toyota Corolla XII (E21)	0.3%	0.4×
Peugeot 308 II	1.3%	1.8×
Opel Astra K	0.8%	1.0×
Audi A3 (8V)	0.4%	0.5×
Volkswagen Golf VIII	0.2%	0.3×

Looking at a SEAT Leon III? Check that car

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

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

Frequently asked questions

Does the SEAT Leon III often have brakes problems?

Yes, more often than average at the APK. At 5–6 years the inspector found a brakes defect on 2.9% of inspected SEAT Leon IIIs, against about 1.8% of all cars of the same age (1.6×). Source: RDW Open Data, Oct 2025 – Sep 2026.

How do you check the brakes on a used SEAT Leon III?

Look through the wheel at the discs: no deep grooves or thick rust edge. Brake firmly on the test drive: the car should stay straight.

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