MoT Data for Perth
Fewer than 100,000 cars were tested in Perth (PH) areas in the period which our data covers, and a lot of the numbers below are red, meaning below average MoT performance.
The failure rate for brakes is 49% higher than the UK average, and is 32% higher for steering. Perhaps the twisting roads and abundant hills take their toll on Perth based cars.
All registration years have an above average failure rate excepting 1992, for which fewer than 100 cars were tested. There are very few cars left on the road from before 1990 in PE areas. Manufacturers of executive models top the pass rate tables, with Audi, Lexus, BMW and Jaguar making up the top four, followed by Chevrolet.
Most common reasons for MoT failure
| Test Item | Failure Rate | National Failure Rate | Relative Rate |
| Suspension | 12.0% | 9.6% | +26% |
| Brakes | 10.0% | 7.7% | +30% |
| Lamps, reflectors and electrical equipment | 6.9% | 11.9% | −42% |
| Tyres | 4.7% | 5.8% | −19% |
| Body, chassis, structure | 4.6% | 4.1% | +11% |
| Visibility | 4.1% | 5.3% | −22% |
| Noise, emissions and leaks | 3.4% | 3.6% | −5% |
| Steering | 2.2% | 1.9% | +14% |
| Seat belts and supplementary restraint systems | 1.1% | 1.3% | −16% |
MoT failure rates by year of registration
| Year of Registration | Tests | Failure Rate | National Failure Rate | Relative Rate |
| 2019 | 467 | 9.4% | 10.3% | −8% |
| 2018 | 8,674 | 12.1% | 11.7% | +3% |
| 2017 | 8,983 | 14.2% | 13.2% | +7% |
| 2016 | 9,114 | 18.6% | 16.5% | +13% |
| 2015 | 8,414 | 22.9% | 19.5% | +17% |
| 2014 | 7,409 | 29.3% | 23.0% | +27% |
| 2013 | 6,105 | 33.4% | 27.2% | +23% |
| 2012 | 4,807 | 38.7% | 30.5% | +27% |
| 2011 | 4,096 | 41.9% | 33.4% | +26% |
| 2010 | 3,837 | 46.3% | 36.8% | +26% |
| 2009 | 3,396 | 48.5% | 39.1% | +24% |
| 2008 | 2,842 | 51.5% | 41.5% | +24% |
| 2007 | 2,738 | 52.8% | 42.6% | +24% |
| 2006 | 2,198 | 53.0% | 43.9% | +21% |
| 2005 | 1,611 | 56.1% | 44.9% | +25% |
| 2004 | 1,233 | 54.0% | 45.7% | +18% |
| 2003 | 953 | 53.7% | 45.6% | +18% |
| 2002 | 627 | 50.2% | 45.2% | +11% |
| 2001 | 418 | 47.4% | 43.9% | +8% |
| 2000 | 262 | 44.3% | 42.5% | +4% |
| 1999 | 194 | 46.4% | 40.8% | +14% |
| 1998 | 176 | 40.9% | 38.5% | +6% |
| 1997 | 124 | 41.9% | 37.5% | +12% |
| 1996 | 81 | 40.7% | 36.5% | +12% |
| 1995 | 63 | 47.6% | 35.3% | +35% |
| 1994 | 51 | 39.2% | 34.4% | +14% |
| 1993 | 58 | 48.3% | 34.7% | +39% |
| 1991 | 61 | 37.7% | 32.3% | +17% |
MoT failure rates by make
| Make | Tests | Failure Rate | National Failure Rate | Relative Rate |
| Porsche | 510 | 12.7% | 14.9% | −14% |
| BMW | 3,716 | 21.7% | 22.9% | −5% |
| Jaguar | 833 | 23.3% | 23.9% | −3% |
| MINI | 2,088 | 23.9% | 25.5% | −6% |
| Audi | 5,207 | 24.2% | 22.3% | +8% |
| Honda | 3,184 | 26.4% | 28.2% | −6% |
| Skoda | 3,424 | 26.5% | 23.5% | +13% |
| Jeep | 258 | 26.7% | 26.1% | +3% |
| Mercedes-Benz | 2,252 | 27.7% | 22.3% | +24% |
| Suzuki | 1,530 | 29.2% | 27.5% | +6% |
| SEAT | 978 | 29.7% | 27.1% | +9% |
| Kia | 2,259 | 29.7% | 26.5% | +12% |
| Volvo | 2,837 | 30.8% | 28.9% | +6% |
| Mazda | 2,028 | 31.0% | 28.2% | +10% |
| Volkswagen | 9,084 | 31.3% | 29.0% | +8% |
| Hyundai | 1,687 | 31.4% | 26.1% | +20% |
| Lexus | 103 | 32.0% | 18.7% | +71% |
| Dacia | 874 | 32.2% | 24.7% | +30% |
| Land Rover | 4,326 | 32.6% | 25.2% | +29% |
| Nissan | 3,609 | 32.7% | 29.5% | +11% |
| Mitsubishi | 1,235 | 33.3% | 28.7% | +16% |
| Subaru | 478 | 33.5% | 27.8% | +20% |
| MG | 107 | 33.6% | 28.9% | +16% |
| Toyota | 3,731 | 34.4% | 27.1% | +27% |
| Ford | 13,272 | 35.1% | 31.5% | +12% |
| Peugeot | 5,263 | 35.7% | 34.0% | +5% |
| Vauxhall | 8,438 | 36.5% | 34.2% | +7% |
| FIAT | 2,717 | 36.9% | 32.2% | +15% |
| DS | 310 | 38.1% | 36.3% | +5% |
| Citroen | 2,802 | 38.3% | 34.2% | +12% |
| Isuzu | 352 | 40.6% | 40.7% | −0% |
| Alfa Romeo | 119 | 41.2% | 33.7% | +22% |
| Renault | 3,459 | 43.9% | 38.6% | +14% |
| SAAB | 246 | 44.7% | 39.5% | +13% |
| Chevrolet | 131 | 48.9% | 45.1% | +8% |
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