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Hyundai I20 vs Hyundai Xg 30: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Hyundai I20
80%
MOT pass rate · 135,974 vehicles
Hyundai Xg 30
76%
MOT pass rate · 26 vehicles
Verdict: On MOT pass rate the Hyundai I20 (80%) and Hyundai Xg 30 (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Hyundai I20 Hyundai Xg 30
MOT pass rate 80% ✓ 76%
MOT failure rate 20% ✓ 24%
Faults & advisories per test 1.6 1.3 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 69,554 mi 83,780 mi
Sample size (vehicles) 135,974 26

Most common faults

Hyundai I20

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Hyundai Xg 30

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Front Brake pad(s) wearing thin (3.5.1g)
  3. Nearside Rear Brake pipe slightly corroded (3.6.B.2c)
  4. Oil leak
  5. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  6. oil leak from engine

Reliability FAQ

On MOT pass rate the Hyundai I20 (80%) and Hyundai Xg 30 (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Hyundai I20 report Full Hyundai Xg 30 report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.