2004 Fiat Motor-Home — MOT failures & pass rate
462 MOT tests on the 2004 Fiat Motor-Home are in this dataset, and 78.6% of them passed. All cars of a similar age fail 27.7% of the time, so this is 6.3pp better than the group it competes with. Failures cluster in lighting & signalling, brakes and suspension.
What the MOT record shows
Lighting & signalling dominates the failure mix at 14.1% of all tests — 5.4 points clear of brakes, so it is the first thing to check.
At component level the recurring items are component mounting prescribed areas, headlamp aim and integral vehicle structure condition — component mounting prescribed areas alone was recorded 37 times.
Mileage is the strongest signal on the record: 20.0% of 0-30k cars fail, rising to 25.0% once past 90-120k.
Advisories point at the next bill rather than this one: brakes was flagged on 16.2% of tests without failing them.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 14.1% | 65 |
| 2 | Brakes | 8.7% | 40 |
| 3 | Suspension | 7.6% | 35 |
| 4 | Body, structure & corrosion | 6.9% | 32 |
| 5 | Visibility | 5.8% | 27 |
| 6 | Seat belts & restraints | 1.5% | 7 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Component mounting prescribed areas | 37 |
| 2 | Headlamp aim | 24 |
| 3 | Integral vehicle structure condition | 22 |
| 4 | Wipers | 21 |
| 5 | Outline marker lamp | 17 |
| 6 | Service brake performance | 16 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 16.2% | 75 |
| 2 | Suspension | 14.7% | 68 |
| 3 | Lighting & signalling | 13.6% | 63 |
| 4 | Tyres | 13.4% | 62 |
| 5 | Body, structure & corrosion | 12.6% | 58 |
| 6 | Steering | 8.9% | 41 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 65 | 20.0% |
| 30-60k | 238 | 16.8% |
| 60-90k | 95 | 29.5% |
| 90-120k | 36 | 25.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 90 | 20.0% |
| 2022 | 94 | 20.2% |
| 2023 | 95 | 25.3% |
| 2024 | 91 | 20.9% |
| 2025 | 92 | 20.6% |
What to check before buying a 2004 Motor-Home
On a 2004 Motor-Home, lighting & signalling is what the MOT record says goes wrong most — it appeared in 14.1% of tests. Check these areas before you commit.
- Lighting & signalling (14.1% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (8.7% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
- Suspension (7.6% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2004 Fiat Motor-Homes pass their MOT?
78.6% of the 462 2004 Fiat Motor-Home MOT tests in this dataset passed — a 21.4% fail rate.
What is the most common MOT failure on a 2004 Fiat Motor-Home?
Lighting & signalling, recorded in 14.1% of tests, followed by brakes (8.7%).
Does the 2004 Motor-Home get worse with mileage?
Its MOT fail rate rises from 20.0% in the 0-30k band to 25.0% in the 90-120k band.
Methodology & source. Based on 462 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.