Comparison · family hatchbacks

Vauxhall Astra vs Hyundai i30: which is more reliable?

The Vauxhall Astra does better at the MOT, with a score of 98 against 92 for the Hyundai i30, comparing each with cars of the same age. Based on 728,508 real MOT tests in 2024.

Vauxhall Astra

98Below average
MOT tests625,158

Hyundai i30

92Below average
MOT tests103,350

By age

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

Age at testVauxhall AstraHyundai i30
3–5 years
99About average
101About average
6–9 years
98About average
96Below average
10–14 years
100About average
88Well below average
15+ years
94Below average
91Well below average

Year by year

Share that passed first time, same registration year.

YearVauxhall AstraHyundai i30
202187.5%85.4%
202086.3%85.5%
201984.0%87.3%
201880.8%84.4%
201779.7%80.2%
201676.5%71.0%
201569.6%68.8%
201467.4%62.3%
201366.9%57.8%
201265.2%55.9%
201162.2%54.3%
201059.4%52.5%
200955.9%53.7%
200854.6%49.9%
200753.5%50.3%

Problem areas

Failure items per 100 tests.

AreaVauxhall AstraHyundai i30
Lights & electrics17.821.1
Brakes13.921.1
Suspension13.811.3
Tyres8.98.3
Visibility (wipers, screen, mirrors)5.85.5
Emissions & leaks7.02.1
Steering1.16.2
Body & chassis5.12.1

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%

Hyundai i30: top failures

  1. Rbt (sp): efficiency below requirements4.9%
  2. Stop lamp: not working4.4%
  3. Track rod end: ball joint has excessive play3.8%
  4. Tread depth below requirements of 1.6mm3.1%
  5. Brake pads: less than 1.5 mm thick2.6%
  6. Headlamp: not working on dipped beam2.3%

Questions

Which is more reliable, the Vauxhall Astra or the Hyundai i30?

The Vauxhall Astra does better at the MOT, with a score of 98 against 92 for the Hyundai i30, comparing each with cars of the same age.

Which years of the Vauxhall Astra and Hyundai i30 can be compared?

Both were tested for 15 registration years (2007–2021). The Vauxhall Astra had the higher pass rate in 12 of them and the Hyundai i30 in 3.

What fails most on each?

Vauxhall Astra: coil spring: fractured or broken; brake pads: less than 1.5 mm thick. Hyundai i30: rbt (sp): efficiency below requirements; stop lamp: not working.