Ford Sierra MOT pass rate
89.1% of 6,192 Ford Sierra MOT tests pass.
The Sierra passes its MOT 89.1% of the time — well above the average across all Ford models, which sits at 76.4%.
The Ford Sierra passes its MOT 89.1% of the time — well above the national average for cars, which sits at 79.2%.
Own this Ford Sierra?
This is the average across every Ford Sierra in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
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Pass rate by vehicle age
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | too few tests (2) | 2 | no reading |
| 6–10 years | no tests recorded | 0 | no reading |
| 10–15 years | no tests recorded | 0 | no reading |
| 15+ years | 89.0% | 6,190 | 52,436 miles |
Common MOT failure reasons for the Ford Sierra
The most common reason the Ford Sierra fails its MOT is lamps, reflectors and electrical equipment — present in 66.2% of failed tests, most often logged as "Not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 66.2% | Not working |
| Suspension | 40.8% | Prescribed area excessively corroded significantly reducing structural strength |
| Brakes | 35.4% | Excessively binding |
| Noise, emissions and leaks | 30.2% | Emissions carbon monoxide content excessive |
| Body, chassis, structure | 23.1% | Corroded to the extent that the rigidity of the assembly is significantly reduced |
| Visibility | 13.8% | Does not clear the windscreen effectively |
| Steering | 10.4% | Gaiter missing or no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 9.0% | Prescribed area strength or continuity significantly reduced |
| Tyres | 6.3% | Has a tear, caused by separation or partial failure of its structure |
| Identification of the vehicle | 2.6% | Does not conform to the specified requirements |
Related Ford models
- Ford Focus C-MAX — 59.3% pass rate
- Ford Edge — 90.1% pass rate
- Ford Tourneo Custom — 86.0% pass rate
- Ford Allied — 82.4% pass rate
- Ford Capri — 84.5% pass rate
- Ford Mustang Mach-E — 94.0% pass rate
Frequently asked questions
- What is the MOT pass rate for the Ford Sierra?
- 89.1% of Ford Sierra MOT tests pass, based on 6,192 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the Ford Sierra?
- The most common reason the Ford Sierra fails its MOT is lamps, reflectors and electrical equipment — present in 66.2% of failed tests, most often logged as "Not working".
- Does this show the Ford Sierra's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the Ford service history guide for how to check and keep one.