On average, 30.8% of cars will fail their MoT test in Perth, which puts the region above the national average of 29.7%. The most common failure causes are Suspension, Brakes and Lamps, reflectors and electrical equipment.

Cars registered in 2005 have the worst overall MoT pass rate, at 43.9%. The manufacturers with the highest fail rate in this region are Renault, SAAB and Chevrolet. At the opposite end of the scale with the best pass rates are Jaguar, BMW and Porsche.

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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