On average, 34.7% of cars will fail their MoT test in Swindon, which puts the region below the national average of 35.0%. The most common failure causes are Lamps, Reflectors and Electrical Equipment, Suspension and Brakes, while 3.8% will fail on exhaust, fuel and emissions.

Cars registered in 1999 have the worst overall MoT pass rate, at 46.2%. The manufacturers with the highest fail rate in this region are Renault, Rover and Daewoo. At the opposite end of the scale with the best pass rates are MINI, Porsche and Dacia.

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Lamps, Reflectors and Electrical Equipment 16.6% 16.7% −1%
Suspension 12.3% 12.1% +2%
Brakes 8.5% 9.0% −6%
Tyres 7.4% 7.2% +4%
Driver's view of the road 6.0% 6.2% −3%
Exhaust, Fuel and Emissions 3.8% 3.6% +6%
Steering 2.2% 2.3% −2%
Seat Belts and Supplementary Restraint Systems 1.8% 1.6% +12%
Body, Structure and General Items 1.1% 1.1% +0%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2016 54 5.6% 11.6% −52%
2015 515 11.1% 13.2% −16%
2014 15,459 12.9% 14.3% −10%
2013 14,125 15.1% 16.9% −11%
2012 13,504 19.7% 20.9% −6%
2011 12,411 23.5% 24.6% −4%
2010 12,563 27.9% 29.2% −4%
2009 12,103 31.0% 32.8% −5%
2008 12,666 36.9% 37.0% −0%
2007 14,086 39.4% 39.6% −1%
2006 12,989 42.1% 42.2% −0%
2005 12,179 46.5% 45.0% +3%
2004 11,122 49.5% 47.4% +4%
2003 9,674 51.4% 48.6% +6%
2002 8,253 51.7% 49.6% +4%
2001 5,991 52.2% 49.6% +5%
2000 3,973 52.8% 49.2% +7%
1999 2,612 53.8% 48.8% +10%
1998 1,742 49.9% 46.8% +7%
1997 1,204 48.6% 45.5% +7%
1996 820 47.2% 44.2% +7%
1995 562 48.6% 42.3% +15%
1994 444 44.8% 41.0% +9%
1993 330 48.5% 40.5% +20%
1992 262 44.7% 39.1% +14%
1991 282 42.6% 38.9% +10%
1990 261 40.6% 37.1% +9%
1989 215 42.3% 35.2% +20%
1988 179 35.8% 35.0% +2%
1987 138 40.6% 34.4% +18%
1986 110 47.3% 34.0% +39%
1985 87 37.9% 33.9% +12%
1984 66 30.3% 32.7% −7%
1983 66 43.9% 32.7% +34%
1979 51 29.4% 28.7% +2%
1976 50 42.0% 29.3% +43%
1975 55 43.6% 27.5% +58%
1973 71 36.6% 25.8% +42%
1972 66 33.3% 24.3% +37%
1971 272 28.7% 24.9% +15%
1970 93 36.6% 23.8% +54%
1969 92 25.0% 24.8% +1%
1968 77 18.2% 23.4% −22%
1967 88 29.5% 23.4% +26%
1966 73 30.1% 22.4% +34%
1965 50 32.0% 21.6% +48%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Dacia 235 14.0% 20.3% −31%
Porsche 1,362 17.1% 19.3% −11%
MINI 1,092 18.6% 29.3% −37%
Ferrari 296 21.3% 11.4% +86%
smart 138 22.5% 30.4% −26%
Lexus 849 24.6% 23.4% +5%
Audi 9,039 25.9% 25.5% +1%
Hyundai 3,894 27.3% 29.4% −7%
Skoda 4,018 27.4% 28.3% −3%
Kia 3,646 28.1% 30.7% −8%
BMW 8,133 30.0% 26.9% +12%
Jaguar 2,092 30.1% 31.3% −4%
Toyota 6,974 30.6% 30.1% +2%
Triumph 181 30.9% 29.9% +3%
Honda 8,393 31.5% 31.1% +1%
SEAT 3,002 32.0% 32.6% −2%
Suzuki 2,766 32.2% 32.4% −1%
Mercedes-Benz 5,130 32.8% 30.4% +8%
Mazda 3,632 33.2% 32.2% +3%
Volvo 4,125 33.3% 35.1% −5%
Mitsubishi 3,041 34.7% 36.4% −5%
Nissan 8,706 34.8% 33.3% +4%
Volkswagen 20,329 34.8% 33.1% +5%
Subaru 805 35.2% 32.8% +7%
FIAT 5,031 36.1% 36.8% −2%
Land Rover 6,426 36.2% 31.0% +17%
Ford 31,097 38.0% 35.2% +8%
MG 825 38.1% 41.7% −9%
Jeep 401 38.9% 36.0% +8%
Vauxhall 22,427 39.2% 39.0% +1%
Peugeot 13,788 40.2% 40.4% −1%
Chevrolet 962 40.2% 40.5% −1%
Isuzu 250 40.4% 43.9% −8%
Citroen 8,102 41.1% 40.6% +1%
Alfa Romeo 652 42.6% 36.8% +16%
SAAB 1,097 43.0% 40.6% +6%
Daihatsu 300 44.3% 36.1% +23%
Chrysler 369 46.6% 41.8% +12%
Renault 9,338 47.2% 47.4% −0%
Rover 809 48.1% 47.0% +2%
Daewoo 150 64.7% 55.6% +16%
 

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