At a Glance
The Mg Rv8 has 1 identified common problems across 1 generation, with the RV8 (1992-1995) being the most affected generation and brakes the most common problem category. Based on 12K 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 Mg Rv8 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
Mg Rv8 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 Mg Rv8 owners — report a problem and we'll add it to the database
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Browse Mg Rv8 Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Mg Rv8 MOT Failures
Every reason Mg Rv8 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 | Brake performance below minimum | 15.20% |
| 2 | Wiper blades deteriorated | 7.55% |
| 3 | Indicator fault | 6.12% |
| 4 | Catalytic converter efficiency low | 5.73% |
| 5 | Number plate lamp not working | 5.36% |
| 6 | Stop lamp not working | 5.27% |
| 7 | Steering rack fault | 4.96% |
| 8 | Windscreen washer not working | 4.72% |
| 9 | Exhaust system fault | 4.60% |
| 10 | Tyre condition | 4.08% |
| 11 | Fog lamp not working | 2.99% |
| 12 | Parking brake condition | 2.50% |
| 13 | Headlamp aim defect | 2.22% |
| 14 | Spark ignition emissions above threshold | 2.13% |
| 15 | Suspension joint or bush worn | 2.10% |
| 16 | Front suspension fault | 1.83% |
| 17 | Tyre tread depth below limit | 1.74% |
| 18 | Front lamp not working | 1.34% |
| 19 | Brake hydraulic component worn | 1.22% |
| 20 | Track rod end worn | 1.13% |
| 21 | Battery loose or leaking | 0.97% |
| 22 | Horn not working | 0.94% |
| 23 | Exhaust emissions above threshold (non-catalyst) | 0.88% |
| 24 | Rear fog lamp not working | 0.79% |
| 25 | Steering free play excessive | 0.79% |
| 26 | Headlamp fault | 0.70% |
| 27 | Parking brake performance below minimum | 0.70% |
| 28 | Seat belt condition | 0.64% |
| 29 | Position lamp not working | 0.61% |
| 30 | Wheel bearing worn | 0.58% |
| 31 | Rear lamp not working | 0.52% |
| 32 | Shock absorber worn or leaking | 0.49% |
| 33 | Brake pads or linings worn | 0.46% |
| 34 | Brake pedal movement restricted | 0.43% |
| 35 | Brake fluid leak | 0.40% |
| 36 | Brake disc or drum worn | 0.37% |
| 37 | Brake lever fault | 0.37% |
| 38 | Rigid brake pipe corroded or damaged | 0.30% |
| 39 | Suspension mounting corroded | 0.30% |
| 40 | Dashboard warning lamp fault | 0.27% |
| 41 | Fuel cap damaged or missing | 0.27% |
| 42 | Fuel pipe corroded or damaged | 0.24% |
| 43 | Steering column fault | 0.24% |
| 44 | Engine oil leak | 0.21% |
| 45 | Flexible brake hose damaged | 0.21% |
| 46 | Fuel hose damaged or leaking | 0.21% |
| 47 | Steering wheel damaged or insecure | 0.21% |
| 48 | Windscreen damage affecting view | 0.21% |
| 49 | Steering coupling worn | 0.21% |
| 50 | Suspension linkage fault | 0.21% |
| 51 | Body corrosion or damage | 0.18% |
| 52 | Steering lock fault | 0.18% |
| 53 | Brake wheel cylinder fault | 0.15% |
| 54 | Electrical switch fault | 0.15% |
| 55 | Engine mounting worn or broken | 0.15% |
| 56 | Bonnet catch or hinge fault | 0.12% |
| 57 | Brake pedal fault | 0.12% |
| 58 | Drag link end worn | 0.12% |
| 59 | Front suspension joint worn | 0.12% |
| 60 | King pin or swivel pin worn | 0.12% |
| 61 | Brake caliper fault | 0.09% |
| 62 | Brake fluid level low or contaminated | 0.09% |
| 63 | Chassis condition | 0.09% |
| 64 | Steering operation fault | 0.09% |
| 65 | Subframe mounting corroded | 0.09% |
| 66 | Tyre size or type not matched | 0.09% |
| 67 | Universal joint worn | 0.09% |
| 68 | Vehicle structure corrosion | 0.09% |
| 69 | Coil spring broken or corroded | 0.06% |
| 70 | Driver seat fault | 0.06% |
| 71 | Electrical wiring fault | 0.06% |
| 72 | Exhaust leak | 0.06% |
| 73 | Handbrake cable fault | 0.06% |
| 74 | Handbrake lever fault | 0.06% |
| 75 | Outline marker lamp not working | 0.06% |
| 76 | Rear fog lamp warning light fault | 0.06% |
| 77 | Spring mounting corroded | 0.06% |
| 78 | Steering arm worn | 0.06% |
| 79 | Suspension retaining or locking device fault | 0.06% |
| 80 | Access panel damaged or insecure | 0.03% |
| 81 | Anti-roll bar worn or corroded | 0.03% |
| 82 | Boot lid damaged or insecure | 0.03% |
| 83 | Brake cable, rod, lever or linkage fault | 0.03% |
| 84 | Brake fluid reservoir fault | 0.03% |
| 85 | Brake master cylinder fault | 0.03% |
| 86 | Brake master cylinder or servo mounting fault | 0.03% |
| 87 | Front passenger door fault | 0.03% |
| 88 | Fuel tank corroded or leaking | 0.03% |
| 89 | Hydraulic brake cylinder fault | 0.03% |
| 90 | Hydraulic fluid leak | 0.03% |
| 91 | Main beam warning light fault | 0.03% |
| 92 | Passenger compartment corrosion | 0.03% |
| 93 | Passenger seat fault | 0.03% |
| 94 | Rear suspension fault | 0.03% |
| 95 | Securing bolts missing or insecure | 0.03% |
| 96 | Speedometer fault | 0.03% |
| 97 | Suspension arm worn or corroded | 0.03% |
| 98 | Tyre valve stem damaged | 0.03% |
| 99 | Ball joint dust cover split | 0.03% |
Showing all 99 reasons — scroll inside the table for the full list.
Mg Rv8 MOT Failures by Category
Total MOT failure occurrences for the Mg Rv8, 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 Mg Rv8 problems?
Based on analysis of 12K Mg Rv8 MOT tests from DVSA data, we have 1 identified common problems across 1 generation. The most frequently flagged issue is "Steering rack fault". Brakes is the most common problem category.
Which Mg Rv8 generation has the most problems?
The Mg Rv8 RV8 (1992-1995) (1992–1995) 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 Mg Rv8?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mg Rv8 owners spot problems early. All submissions are reviewed before being added to the public database.
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