At a Glance
The Ferrari 400 has 1 identified common problems across 1 generation (1976–1985), with the 400 GT/400i (1976-1985) being the most affected generation and suspension the most common problem category. Based on 910 MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Ferrari 400 common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Ferrari 400 generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
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Tell Us About Your Problem
Help other Ferrari 400 owners — report a problem and we'll add it to the database
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Most Common Ferrari 400 MOT Failures
Every reason Ferrari 400 vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Indicator fault | 10.59% |
| 2 | Brake performance below minimum | 9.90% |
| 3 | Brake hydraulic component worn | 5.90% |
| 4 | Exhaust system fault | 5.56% |
| 5 | Wiper blades deteriorated | 5.56% |
| 6 | Exhaust emissions above threshold (non-catalyst) | 5.21% |
| 7 | Shock absorber worn or leaking | 4.17% |
| 8 | Headlamp aim defect | 3.82% |
| 9 | Suspension joint or bush worn | 3.65% |
| 10 | Tyre condition | 3.47% |
| 11 | Chassis condition | 2.78% |
| 12 | Fog lamp not working | 2.60% |
| 13 | Number plate lamp not working | 2.43% |
| 14 | Stop lamp not working | 2.43% |
| 15 | Body corrosion or damage | 2.26% |
| 16 | Front lamp not working | 2.26% |
| 17 | Horn not working | 2.26% |
| 18 | Dashboard warning lamp fault | 1.56% |
| 19 | Rear lamp not working | 1.56% |
| 20 | Track rod end worn | 1.56% |
| 21 | Parking brake performance below minimum | 1.39% |
| 22 | Suspension mounting corroded | 1.39% |
| 23 | Spark ignition emissions above threshold | 1.22% |
| 24 | Battery loose or leaking | 1.04% |
| 25 | Brake pedal movement restricted | 1.04% |
| 26 | Coil spring broken or corroded | 1.04% |
| 27 | Front suspension joint worn | 1.04% |
| 28 | Rear fog lamp not working | 1.04% |
| 29 | Tyre tread depth below limit | 0.87% |
| 30 | Electrical switch fault | 0.69% |
| 31 | Fuel pipe corroded or damaged | 0.69% |
| 32 | Brake caliper fault | 0.52% |
| 33 | Drag link end worn | 0.52% |
| 34 | Position lamp not working | 0.52% |
| 35 | Brake disc or drum worn | 0.35% |
| 36 | Brake fluid warning light on | 0.35% |
| 37 | Brake pedal fault | 0.35% |
| 38 | Brake servo fault | 0.35% |
| 39 | Dip switch fault | 0.35% |
| 40 | Front suspension fault | 0.35% |
| 41 | Headlamp fault | 0.35% |
| 42 | Rigid brake pipe corroded or damaged | 0.35% |
| 43 | Seat belt condition | 0.35% |
| 44 | Steering lock fault | 0.35% |
| 45 | Subframe mounting corroded | 0.35% |
| 46 | Windscreen damage affecting view | 0.35% |
| 47 | Windscreen washer not working | 0.35% |
| 48 | Suspension linkage fault | 0.35% |
| 49 | ABS fault | 0.17% |
| 50 | Airbag warning light on | 0.17% |
| 51 | Brake air or vacuum system fault | 0.17% |
| 52 | Brake fluid leak | 0.17% |
| 53 | Brake pads or linings worn | 0.17% |
| 54 | Brake pressure or vacuum buildup insufficient | 0.17% |
| 55 | Driver seat fault | 0.17% |
| 56 | Flexible brake hose damaged | 0.17% |
| 57 | Front passenger door fault | 0.17% |
| 58 | Handbrake lever fault | 0.17% |
| 59 | Parking brake condition | 0.17% |
| 60 | Rear suspension fault | 0.17% |
| 61 | Steering box fault | 0.17% |
| 62 | Steering operation fault | 0.17% |
| 63 | Transmission oil leak | 0.17% |
Showing all 63 reasons — scroll inside the table for the full list.
Ferrari 400 MOT Failures by Category
Total MOT failure occurrences for the Ferrari 400, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Ferrari 400 problems?
Based on analysis of 910 Ferrari 400 MOT tests from DVSA data, we have 1 identified common problems across 1 generation. The most frequently flagged issue is "Windscreen washer not working". Suspension is the most common problem category.
Which Ferrari 400 generation has the most problems?
The Ferrari 400 400 GT/400i (1976-1985) (1976–1985) has the highest number of identified common problems (1). Click the generation card above for the full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Ferrari 400?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Ferrari 400 owners spot problems early. All submissions are reviewed before being added to the public database.
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