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Hyundai I20 vs Hyundai Lantra si: reliability comparison

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

Hyundai I20
80%
MOT pass rate · 135,974 vehicles
More reliable
Hyundai Lantra si
64%
MOT pass rate · 435 vehicles
Verdict: On MOT pass rate, the Hyundai I20 is the more reliable of the two — 80% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Head to head

Measure Hyundai I20 Hyundai Lantra si
MOT pass rate 80% ✓ 64%
MOT failure rate 20% ✓ 36%
Faults & advisories per test 1.6 ✓ 1.9
Dangerous-fault share 3% 0% ✓
Average mileage 69,554 mi 100,703 mi
Sample size (vehicles) 135,974 435

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 Lantra si

  1. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  3. Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  6. Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Hyundai I20 is the more reliable of the two — 80% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Full Hyundai I20 report Full Hyundai Lantra si 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.