Skip to content

Kia Rio vs Kia Stonic gt-line s-a: reliability comparison

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

Kia Rio
76%
MOT pass rate · 141,350 vehicles
Kia Stonic gt-line s-a
88%
MOT pass rate · 2,200 vehicles
Verdict: On MOT pass rate the Kia Rio (76%) and Kia Stonic gt-line s-a (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Kia Rio Kia Stonic gt-line s-a
MOT pass rate 76% 88% ✓
MOT failure rate 24% 12% ✓
Faults & advisories per test 1.8 0.5 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 76,214 mi 14,674 mi
Sample size (vehicles) 141,350 2,200

Most common faults

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))

Kia Stonic gt-line s-a

  1. Nearside Front Windscreen damaged but not adversely affecting driver's view swept area (3.2 (a) (i))
  2. Offside Front Windscreen damaged but not adversely affecting driver's view zone 'A' (3.2 (a) (i))
  3. Nearside Front Headlamp aim too low (4.1.2 (a))

Reliability FAQ

On MOT pass rate the Kia Rio (76%) and Kia Stonic gt-line s-a (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Kia Rio report Full Kia Stonic gt-line s-a 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.