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Kia K900 vs Kia Rio: reliability comparison

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

Kia K900
33%
MOT pass rate · 1 vehicles
Kia Rio
76%
MOT pass rate · 141,350 vehicles
Verdict: On MOT pass rate the Kia K900 (33%) and Kia Rio (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Kia K900 Kia Rio
MOT pass rate 33% 76% ✓
MOT failure rate 67% 24% ✓
Faults & advisories per test 2.0 1.8 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 79,919 mi 76,214 mi
Sample size (vehicles) 1 141,350

Most common faults

Kia K900

  1. Nearside Front Headlamp light intensity severely reduced (4.1.4 (a))
  2. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  3. Nearside Headlamp light intensity severely reduced (4.1.4 (a))
  4. Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))
  5. Nearside Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))
  6. oil pressure light on

Kia Rio

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate the Kia K900 (33%) and Kia Rio (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Kia K900 report Full Kia Rio 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.