MOT performance
Toyota Auris vs Kia Ceed: MOT pass rates compared
In 2023–2024, 73.3% of 311,459 Toyota Auris MOT tests and 69.3% of 276,701 Kia Ceed tests passed first time — 4.0 points in favour of the Toyota Auris. Once age, mileage and fuel are allowed for, the Toyota Auris fails less often than the Kia Ceed: 0.95× against 1.14× the national rate for comparable cars.
311,459 Toyota Auris and 276,701 Kia Ceed MOT tests, 2023–2024
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| Figure | Value | Basis |
|---|---|---|
| Toyota Auris: first-time pass rate | 73.3% | ±0.2 pts (95%), n = 311,459 |
| Kia Ceed: first-time pass rate | 69.3% | ±0.2 pts (95%), n = 276,701 |
| Toyota Auris: failures vs similar cars | -5% | same age, mileage and fuel = 1.00 |
| Kia Ceed: failures vs similar cars | +14% | same age, mileage and fuel = 1.00 |
| Toyota Auris: dangerous defect | 6.8% | n = 311,459 |
| Kia Ceed: dangerous defect | 9.6% | n = 276,701 |
| Average age at test | 9.9 vs 8.2 years | Toyota Auris vs Kia Ceed |
Why the raw pass rates can mislead
The Toyota Auris was tested at an older average age (9.9 years against 8.2), and older cars fail more often whatever they are. That is why the table above also shows failures against cars of the same age, mileage and fuel: it compares the models, not their fleets.
Failure areas side by side
Share of MOT tests that failed on each area, and in brackets how that compares with cars of the same age, mileage and fuel (1.00 = national average). The clearest difference is steering, where the Kia Ceed fails 4.7 times as often on an adjusted basis.
| Area | Toyota Auris | Kia Ceed |
|---|---|---|
| Brakes | 6.7% (+10%) | 9.0% (+48%) |
| Steering | 0.9% (-45%) | 4.3% (+157%) |
| Suspension | 5.6% (-33%) | 7.9% (-2%) |
| Tyres | 5.6% (-12%) | 7.6% (+16%) |
| Road wheels | 0.3% (-30%) | 0.3% (-9%) |
| Lights, reflectors and electrical | 14.1% (+19%) | 12.2% (+22%) |
| Body, chassis and structure | 1.4% (-50%) | 1.6% (-42%) |
| Driver's view of the road | 4.2% (-9%) | 6.0% (+39%) |
| Noise, emissions and leaks | 1.4% (-48%) | 1.6% (-37%) |
| Seat belts and airbags | 0.4% (-44%) | 0.3% (-60%) |
| Registration plates and VIN | 0.3% (-4%) | 0.3% (+1%) |
| Speedometer and driving controls | 0.0% (-84%) | 0.0% (-77%) |
Pass rate at the same age
Comparing cars of the same age removes most of the fleet-age effect from the raw rates.
| Age at test | Toyota Auris | Kia Ceed |
|---|---|---|
| 3-4 years | 83.2% (n = 10,818) | 84.6% (n = 46,749) |
| 5-6 years | 81.7% (n = 51,204) | 80.8% (n = 35,659) |
| 7-8 years | 79.8% (n = 66,216) | 74.2% (n = 41,832) |
| 9-10 years | 77.2% (n = 58,592) | 64.0% (n = 45,768) |
| 11-12 years | 68.1% (n = 38,046) | 54.7% (n = 39,022) |
| 13-15 years | 62.7% (n = 64,392) | 50.7% (n = 41,090) |
| 16+ years | 58.9% (n = 22,191) | 48.1% (n = 5,738) |
Most common failure item
- Toyota Auris · position lamp: not working (3.74% of tests)
- Kia Ceed · position lamp: not working (3.25% of tests)
MOT results reflect how cars are maintained as well as how they are built, so a gap between two models is a difference in test performance, not proof that one is more reliable. For one car, its own MOT history says more than any average.
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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.