On average, 37.2% of cars will fail their MoT test in Perth, which puts the region above the national average of 35.0%. The most common failure causes are Suspension, Lamps, Reflectors and Electrical Equipment and Brakes, while 4.9% will fail on exhaust, fuel and emissions.

Cars registered in 2003 have the worst overall MoT pass rate, at 42.0%. The manufacturers with the highest fail rate in this region are Renault, Chevrolet and Rover. At the opposite end of the scale with the best pass rates are Porsche, MINI and Dacia.

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Suspension 16.7% 12.1% +39%
Lamps, Reflectors and Electrical Equipment 14.5% 16.7% −13%
Brakes 14.2% 9.0% +57%
Tyres 6.7% 7.2% −6%
Driver's view of the road 6.0% 6.2% −3%
Exhaust, Fuel and Emissions 4.9% 3.6% +36%
Steering 3.1% 2.3% +35%
Seat Belts and Supplementary Restraint Systems 1.5% 1.6% −10%
Body, Structure and General Items 1.3% 1.1% +17%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2015 264 9.5% 13.2% −28%
2014 7,848 16.3% 14.3% +14%
2013 6,697 19.5% 16.9% +15%
2012 5,539 25.7% 20.9% +23%
2011 4,742 31.0% 24.6% +26%
2010 4,581 36.9% 29.2% +26%
2009 3,981 41.2% 32.8% +26%
2008 4,095 46.8% 37.0% +26%
2007 4,128 48.9% 39.6% +23%
2006 3,654 51.5% 42.2% +22%
2005 3,186 53.3% 45.0% +18%
2004 2,862 55.7% 47.4% +18%
2003 2,277 58.0% 48.6% +19%
2002 1,709 55.7% 49.6% +12%
2001 1,008 55.4% 49.6% +11%
2000 608 55.6% 49.2% +13%
1999 407 52.1% 48.8% +7%
1998 271 50.9% 46.8% +9%
1997 218 49.5% 45.5% +9%
1996 155 47.7% 44.2% +8%
1995 102 43.1% 42.3% +2%
1994 85 40.0% 41.0% −2%
1993 73 41.1% 40.5% +1%
1992 73 37.0% 39.1% −5%
1991 65 43.1% 38.9% +11%
1990 51 45.1% 37.1% +21%
1971 54 18.5% 24.9% −26%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Dacia 285 18.2% 20.3% −10%
MINI 417 20.4% 29.3% −30%
Porsche 140 22.1% 19.3% +15%
Audi 3,159 27.1% 25.5% +6%
BMW 2,032 27.4% 26.9% +2%
Jaguar 642 29.1% 31.3% −7%
Jeep 147 30.6% 36.0% −15%
Land Rover 3,196 32.3% 31.0% +4%
Skoda 2,076 32.5% 28.3% +15%
Honda 2,700 32.6% 31.1% +5%
SEAT 685 33.4% 32.6% +3%
Mercedes-Benz 1,314 33.5% 30.4% +10%
Kia 1,269 34.0% 30.7% +11%
Nissan 2,869 37.6% 33.3% +13%
Volkswagen 6,670 37.7% 33.1% +14%
Suzuki 1,248 37.9% 32.4% +17%
Isuzu 251 38.6% 43.9% −12%
Volvo 1,883 38.8% 35.1% +10%
Hyundai 789 38.9% 29.4% +32%
Mazda 1,438 40.5% 32.2% +26%
Ford 10,018 40.5% 35.2% +15%
FIAT 2,360 41.0% 36.8% +11%
Subaru 536 41.2% 32.8% +26%
Toyota 3,035 41.4% 30.1% +37%
Citroen 2,483 41.8% 40.6% +3%
Mitsubishi 1,008 42.0% 36.4% +15%
Vauxhall 7,974 42.3% 39.0% +9%
Peugeot 4,008 43.0% 40.4% +6%
Alfa Romeo 124 43.5% 36.8% +18%
MG 145 45.5% 41.7% +9%
SAAB 397 45.6% 40.6% +12%
Renault 2,955 49.1% 47.4% +4%
Chevrolet 213 49.3% 40.5% +22%
Rover 135 56.3% 47.0% +20%
 

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