SEAT Leon III
2012 – 2021

At 9–10 years (mostly built 2015–2017) 5.1% of inspected SEAT Leon IIIs had at least one A-problem, against 6.1% for the Peugeot 308 II and 4.7% nationally. The SEAT Leon III does clearly better at this age: the confidence intervals do not overlap. Over all ages together the SEAT Leon III has an A-problem about as often than average, the Peugeot 308 II 15% more often.
Window: Oct 2025 – Sep 2026 · Updated: 16 Oct 2026
Also check the weak spots and the history of the specific car.
2012 – 2021

2013 – 2022

5.1%
n = 8,201 · 95% CI 4.6 – 5.6%
6.1%
n = 11,331 · 95% CI 5.7 – 6.6%
31.3%
n = 8,201 · 95% CI 30.3 – 32.3%
43.1%
n = 11,331 · 95% CI 42.2 – 44.0%
Percentages with 95% confidence intervals.
Choose another age or add a third model
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