At a Glance
The Triumph Acclaim has 12 identified common problems across 1 generation, with the Acclaim (1981-1984) being the most affected generation and suspension the most common problem category. Based on 6K 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 Triumph Acclaim 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
Triumph Acclaim 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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Browse Triumph Acclaim Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Triumph Acclaim MOT Failures
Every reason Triumph Acclaim 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 | Tyre tread depth below limit | 9.51% |
| 2 | Windscreen washer not working | 7.29% |
| 3 | Stop lamp not working | 6.87% |
| 4 | Brake hydraulic component worn | 6.64% |
| 5 | Tyre condition | 6.59% |
| 6 | Number plate lamp not working | 5.65% |
| 7 | Headlamp aim defect | 5.55% |
| 8 | Driveshaft fault | 4.24% |
| 9 | Brake pads or linings worn | 4.09% |
| 10 | Brake performance below minimum | 3.06% |
| 11 | Rear suspension fault | 3.06% |
| 12 | Front lamp not working | 2.82% |
| 13 | Suspension joint or bush worn | 2.59% |
| 14 | Brake disc or drum worn | 2.26% |
| 15 | Rear lamp not working | 2.07% |
| 16 | Horn not working | 1.51% |
| 17 | Vehicle structure corrosion | 1.32% |
| 18 | Mirror damaged or missing | 1.27% |
| 19 | Spark ignition emissions above threshold | 1.22% |
| 20 | Front suspension joint worn | 1.18% |
| 21 | Shock absorber worn or leaking | 1.18% |
| 22 | Brake pedal fault | 1.13% |
| 23 | Position lamp not working | 1.08% |
| 24 | Brake pedal movement restricted | 0.94% |
| 25 | Chassis condition | 0.94% |
| 26 | Exhaust system fault | 0.94% |
| 27 | Track rod end worn | 0.94% |
| 28 | Brake fluid leak | 0.85% |
| 29 | Windscreen damage affecting view | 0.85% |
| 30 | Parking brake performance below minimum | 0.75% |
| 31 | Seat belt condition | 0.75% |
| 32 | Suspension arm worn or corroded | 0.75% |
| 33 | Battery loose or leaking | 0.61% |
| 34 | Rear fog lamp not working | 0.61% |
| 35 | Trailing arm worn or corroded | 0.61% |
| 36 | Fuel cap damaged or missing | 0.56% |
| 37 | CV joint worn | 0.42% |
| 38 | MacPherson strut worn | 0.42% |
| 39 | Front suspension fault | 0.38% |
| 40 | Handbrake mechanism or mounting fault | 0.38% |
| 41 | Brake wheel cylinder fault | 0.33% |
| 42 | Dashboard warning lamp fault | 0.33% |
| 43 | Electrical switch fault | 0.33% |
| 44 | Fuel tank corroded or leaking | 0.33% |
| 45 | Headlamp fault | 0.33% |
| 46 | Steering rack fault | 0.33% |
| 47 | Tyre size or type not matched | 0.33% |
| 48 | Brake lever fault | 0.24% |
| 49 | Exhaust emissions above threshold (non-catalyst) | 0.24% |
| 50 | Fuel pipe corroded or damaged | 0.24% |
| 51 | Handbrake cable fault | 0.24% |
| 52 | Body security fault | 0.19% |
| 53 | Wiper blades deteriorated | 0.19% |
| 54 | Brake master cylinder or servo mounting fault | 0.14% |
| 55 | Coil spring broken or corroded | 0.14% |
| 56 | Handbrake lever fault | 0.14% |
| 57 | Headlamp levelling device fault | 0.14% |
| 58 | Hydraulic brake cylinder fault | 0.14% |
| 59 | Rigid brake pipe corroded or damaged | 0.14% |
| 60 | Steering column fault | 0.14% |
| 61 | Wheel bearing worn | 0.14% |
| 62 | Bonded suspension condition | 0.14% |
| 63 | Brake caliper fault | 0.09% |
| 64 | Suspension retaining or locking device fault | 0.09% |
| 65 | Tyre valve stem damaged | 0.09% |
| 66 | Vehicle floor corroded | 0.09% |
| 67 | Suspension linkage fault | 0.09% |
| 68 | ABS fault | 0.05% |
| 69 | Body strengthening plate corroded | 0.05% |
| 70 | Bumper damaged or insecure | 0.05% |
| 71 | Drag link end worn | 0.05% |
| 72 | Driver door fault | 0.05% |
| 73 | Electrical wiring fault | 0.05% |
| 74 | Engine mounting worn or broken | 0.05% |
| 75 | Engine oil leak | 0.05% |
| 76 | Flexible brake hose damaged | 0.05% |
| 77 | Fuel hose damaged or leaking | 0.05% |
| 78 | Indicator fault | 0.05% |
| 79 | Radius arm worn or corroded | 0.05% |
| 80 | Steering free play excessive | 0.05% |
| 81 | Steering operation fault | 0.05% |
| 82 | Suspension mounting corroded | 0.05% |
| 83 | Towbar fault | 0.05% |
Showing all 83 reasons — scroll inside the table for the full list.
Triumph Acclaim MOT Failures by Category
Total MOT failure occurrences for the Triumph Acclaim, 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 Triumph Acclaim problems?
Based on analysis of 6K Triumph Acclaim MOT tests from DVSA data, we have 12 identified common problems across 1 generation. The most frequently flagged issue is "Suspension component mounting corroded". Suspension is the most common problem category.
Which Triumph Acclaim generation has the most problems?
The Triumph Acclaim Acclaim (1981-1984) (1981–1984) has the highest number of identified common problems (15). 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 Triumph Acclaim?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Triumph Acclaim owners spot problems early. All submissions are reviewed before being added to the public database.
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