Kia RIO - 2018
100.1 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Kia RIO, model year 2018.
Sample size: 5,821 cars, 11,934 tests and 11,950 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 5,821 cars
The 2018 KIA RIO has a lower overall defect rate compared to the average car of the same year, with 100 defects per 100 vehicles versus the average of 120. This model particularly excels in categories such as brakes, lights and electrics, and body structure, showcasing significantly fewer defects than average in each of these areas. Interestingly, as the mileage increases, the defect rates for the KIA RIO also tend to rise, but they remain relatively lower than the average across all mileage segments. Overall, the KIA RIO demonstrates a strong performance, particularly in critical safety and structural aspects.
Cars by mileage segment
Total: 5,821 cars
More model years for Kia RIO
Other models from Kia
Categories
Brakes
▲ 31.4% better
47.2 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 12.0% better
4.4 faults / 100 tests
Year avg: 5.0 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- A steering ball joint: with excessive wear or free play
Visibility
▼ 15.8% worse
16.1 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 30.7% better
12.2 faults / 100 tests
Year avg: 17.6 / 100 tests
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 8.6% better
115.8 faults / 100 tests
Year avg: 126.7 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- Tyre tread depth not in accordance with the requirements
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 84.3% better
0.8 faults / 100 tests
Year avg: 5.1 / 100 tests
- Exhaust system has a major leak or is insecure
- A door will not open using the relevant control or close properly
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▲ 72.7% better
0.6 faults / 100 tests
Year avg: 2.2 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
Other
▲ 54.3% better
3.2 faults / 100 tests
Year avg: 7.0 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed default limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed the manufacturer’s specified limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 2,866
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,611
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,112
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 678
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 500
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 266
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 248
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 228
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 216
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 192
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 266
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 248
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 192
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 188
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 168
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 119
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 115
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 60
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 56
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 41