Triumph Acclaim Reliability, MOT Pass Rate & Common Faults
Free Triumph Acclaim car check
Is the Triumph Acclaim reliable? We analysed 7,437 real MOT tests across 1,142 vehicles to find out.
Got a specific Triumph Acclaim? Enter the reg for a free check:
The Triumph Acclaim is about average for reliability based on real UK MOT data. Common problems include suspension component mounting prescribed area is excessively corroded, seat belt anchorage prescribed area is excessively corroded and body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings. Here's everything you need to know before buying a used Triumph Acclaim.
Triumph Acclaim Number Plates
Number plates registered to a Triumph Acclaim. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Triumph Acclaim MOT Pass Rate by Year
How likely is a Triumph Acclaim to pass its MOT? Here's the pass rate for each registration year, newest first.
Triumph Acclaim Problems — What Goes Wrong?
The most common reasons a Triumph Acclaim fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Triumph Acclaim Mileage — What's Normal?
How many miles does a typical Triumph Acclaim owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Triumph Acclaim MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Triumph Acclaim year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1984 | 1,638 | 72.2% | 34,612 | 49,754 | 69,848 |
| 1983 | 3,083 | 73.1% | 38,224 | 54,098 | 70,232 |
| 1982 | 2,234 | 71.0% | 36,838 | 52,399 | 68,822 |
| 1981 | 411 | 76.9% | 41,374 | 53,808 | 75,669 |
How Long Does a Triumph Acclaim Last?
Based on 1,142 Triumph Acclaim vehicles on UK roads.
Triumph Acclaim Mileage Distribution
Total mileage recorded across all Triumph Acclaim MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Triumph Acclaim
Based on MOT pass rates across all registration years with sufficient test data.
76.9% MOT pass rate from 411 tests
71.0% MOT pass rate from 2,234 tests
The best year to buy a used Triumph Acclaim is 1981, which has the highest MOT pass rate at 76.9% across 411 tests. The 1982 model year has the lowest pass rate at 71.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Triumph Acclaim Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Triumph Acclaim THIS CAR | 72.5% | 7,437 | 52,573 mi | 45 yrs |
| Triumph Bonneville | 90.1% | 235,206 | 7,823 mi | 53 yrs |
| Triumph Tiger | 90.6% | 196,853 | 17,026 mi | 32 yrs |
| Triumph Sprint | 87.3% | 158,613 | 21,242 mi | 33 yrs |
| Citroen C3 Aircross Shine Puretech S/s | 91.8% | 6,004 | 22,345 mi | — yrs |
Compared to the Triumph Bonneville (90.1% pass rate) and the Triumph Tiger (90.6% pass rate), the Triumph Acclaim trails behind on MOT reliability.
Found a Triumph Acclaim you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Triumph AcclaimShould you buy a used Triumph Acclaim?
The Triumph Acclaim has an overall MOT pass rate of 72.5% across 7,437 real MOT tests — roughly in line with the UK average.
The most common problems on the Triumph Acclaim are suspension component mounting prescribed area is excessively corroded (1,357 recorded failures), seat belt anchorage prescribed area is excessively corroded (302), and body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (267). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical Triumph Acclaim owner drives around 1,003 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Triumph Acclaim models stay on UK roads for around 45 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.