On average, 33.1% of cars will fail their MoT test in Dorchester, which puts the region above the national average of 29.7%. The most common failure causes are Lamps, reflectors and electrical equipment, Suspension and Brakes.

Cars registered in 2002 have the worst overall MoT pass rate, at 47.5%. The manufacturers with the highest fail rate in this region are SAAB, Daihatsu and Renault. At the opposite end of the scale with the best pass rates are Lexus, Dacia and Porsche.

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Lamps, reflectors and electrical equipment 11.0% 11.9% −7%
Suspension 10.3% 9.6% +8%
Brakes 7.7% 7.7% −1%
Tyres 6.0% 5.8% +3%
Visibility 5.6% 5.3% +5%
Body, chassis, structure 4.7% 4.1% +13%
Noise, emissions and leaks 4.0% 3.6% +12%
Steering 2.3% 1.9% +19%
Seat belts and supplementary restraint systems 1.6% 1.3% +26%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2019 173 17.3% 10.3% +69%
2018 4,827 9.9% 11.7% −15%
2017 5,646 11.0% 13.2% −17%
2016 6,502 14.2% 16.5% −14%
2015 6,937 16.8% 19.5% −14%
2014 6,732 20.6% 23.0% −11%
2013 6,569 24.4% 27.2% −10%
2012 6,195 26.5% 30.5% −13%
2011 5,944 31.6% 33.4% −5%
2010 6,631 35.7% 36.8% −3%
2009 6,362 38.3% 39.1% −2%
2008 6,698 43.1% 41.5% +4%
2007 6,947 44.7% 42.6% +5%
2006 5,993 47.8% 43.9% +9%
2005 5,220 49.6% 44.9% +11%
2004 4,450 52.0% 45.7% +14%
2003 3,608 51.9% 45.6% +14%
2002 2,789 52.5% 45.2% +16%
2001 1,720 50.6% 43.9% +15%
2000 1,068 50.0% 42.5% +18%
1999 752 49.1% 40.8% +20%
1998 589 46.7% 38.5% +21%
1997 379 48.0% 37.5% +28%
1996 290 46.6% 36.5% +27%
1995 192 45.8% 35.3% +30%
1994 164 45.7% 34.4% +33%
1993 114 49.1% 34.7% +41%
1992 135 46.7% 32.9% +42%
1991 112 47.3% 32.3% +46%
1990 114 40.4% 30.9% +31%
1989 120 38.3% 29.6% +30%
1988 78 41.0% 30.2% +36%
1987 68 36.8% 29.5% +25%
1986 53 41.5% 28.9% +44%
1985 54 31.5% 28.3% +11%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Porsche 408 15.7% 14.9% +5%
Dacia 511 22.1% 24.7% −10%
Lexus 250 25.2% 18.7% +35%
Skoda 2,912 26.8% 23.5% +14%
BMW 5,060 26.8% 22.9% +17%
Mercedes-Benz 3,254 27.5% 22.3% +23%
Suzuki 2,610 27.5% 27.5% +0%
Audi 4,282 28.9% 22.3% +30%
Mazda 2,732 29.5% 28.2% +5%
Honda 5,611 30.1% 28.2% +7%
Kia 1,856 30.6% 26.5% +15%
MINI 2,779 30.8% 25.5% +21%
Hyundai 1,997 30.9% 26.1% +18%
Jaguar 970 31.5% 23.9% +32%
MG 338 32.0% 28.9% +10%
SEAT 1,198 32.9% 27.1% +21%
Nissan 6,948 34.0% 29.5% +15%
Peugeot 7,720 34.3% 34.0% +1%
Volkswagen 14,986 34.4% 29.0% +18%
FIAT 2,916 34.4% 32.2% +7%
Toyota 4,848 35.5% 27.1% +31%
Isuzu 388 35.6% 40.7% −13%
Ford 17,330 36.3% 31.5% +15%
DS 313 36.7% 36.3% +1%
Subaru 354 37.6% 27.8% +35%
Mitsubishi 2,001 37.7% 28.7% +32%
Land Rover 5,143 37.9% 25.2% +50%
Alfa Romeo 255 38.0% 33.7% +13%
Vauxhall 10,756 38.5% 34.2% +12%
Volvo 1,600 39.1% 28.9% +35%
Citroen 4,475 40.1% 34.2% +17%
Jeep 243 40.7% 26.1% +56%
Chevrolet 314 42.4% 45.1% −6%
Rover 223 42.6% 42.5% +0%
SAAB 366 43.7% 39.5% +11%
Daihatsu 165 44.2% 36.3% +22%
Renault 3,884 45.2% 38.6% +17%
 

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