Comparison · family hatchbacks

Vauxhall Astra vs SEAT Leon: which is more reliable?

The SEAT Leon does better at the MOT, with a score of 103 against 98 for the Vauxhall Astra, comparing each with cars of the same age. Based on 808,242 real MOT tests in 2024.

Vauxhall Astra

98Below average
MOT tests625,158

SEAT Leon

103Above average
MOT tests183,084

By age

MOT Rank score for each age group (100 = an average car that age).

Age at testVauxhall AstraSEAT Leon
3–5 years
99About average
99About average
6–9 years
98About average
103Above average
10–14 years
100About average
107Above average
15+ years
94Below average
104Above average

Year by year

Share that passed first time, same registration year.

Problem areas

Failure items per 100 tests.

AreaVauxhall AstraSEAT Leon
Lights & electrics17.88.0
Suspension13.88.9
Brakes13.97.8
Tyres8.97.7
Emissions & leaks7.03.4
Visibility (wipers, screen, mirrors)5.84.0
Body & chassis5.12.4
Steering1.10.5

Vauxhall Astra: top failures

  1. Coil spring: fractured or broken4.9%
  2. Brake pads: less than 1.5 mm thick2.7%
  3. Tread depth below requirements of 1.6mm2.7%
  4. Exhaust system: has a major leak of exhaust gases2.2%
  5. Malfunction indicator lamp: inoperative or indicates a malfunction1.8%
  6. Position lamp: not working1.7%

SEAT Leon: top failures

  1. Coil spring: fractured or broken2.7%
  2. Tread depth below requirements of 1.6mm2.6%
  3. Brake pads: less than 1.5 mm thick2.0%
  4. Shock absorbers: has a serious fluid leak1.8%
  5. Tyres - condition: has ply or cords exposed1.2%
  6. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.0%

Questions

Which is more reliable, the Vauxhall Astra or the SEAT Leon?

The SEAT Leon does better at the MOT, with a score of 103 against 98 for the Vauxhall Astra, comparing each with cars of the same age.

Which years of the Vauxhall Astra and SEAT Leon can be compared?

Both were tested for 21 registration years (2001–2021). The Vauxhall Astra had the higher pass rate in 1 of them and the SEAT Leon in 20.

What fails most on each?

Vauxhall Astra: coil spring: fractured or broken; brake pads: less than 1.5 mm thick. SEAT Leon: coil spring: fractured or broken; tread depth below requirements of 1.6mm.