On average, 36.9% of cars will fail their MoT test in Northampton, which puts the region above the national average of 35.0%. The most common failure causes are Lamps, Reflectors and Electrical Equipment, Suspension and Brakes, while 4.1% will fail on exhaust, fuel and emissions.

Cars registered in 2002 have the worst overall MoT pass rate, at 46.9%. The manufacturers with the highest fail rate in this region are Renault, LTI and Daewoo. At the opposite end of the scale with the best pass rates are Aston Martin, Bentley and Ferrari.

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Lamps, Reflectors and Electrical Equipment 18.3% 16.7% +9%
Suspension 13.5% 12.1% +12%
Brakes 10.0% 9.0% +11%
Tyres 7.2% 7.2% +1%
Driver's view of the road 6.8% 6.2% +9%
Exhaust, Fuel and Emissions 4.1% 3.6% +14%
Steering 2.4% 2.3% +6%
Seat Belts and Supplementary Restraint Systems 1.7% 1.6% +5%
Body, Structure and General Items 1.1% 1.1% −2%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2016 66 9.1% 11.6% −22%
2015 927 10.7% 13.2% −19%
2014 22,953 14.6% 14.3% +2%
2013 20,757 18.1% 16.9% +7%
2012 18,612 22.7% 20.9% +9%
2011 17,667 26.5% 24.6% +8%
2010 17,849 31.4% 29.2% +8%
2009 16,560 35.6% 32.8% +9%
2008 18,208 39.4% 37.0% +6%
2007 20,417 42.9% 39.6% +8%
2006 19,227 45.6% 42.2% +8%
2005 18,162 48.6% 45.0% +8%
2004 16,856 51.7% 47.4% +9%
2003 14,799 52.4% 48.6% +8%
2002 11,726 53.1% 49.6% +7%
2001 8,234 52.8% 49.6% +6%
2000 4,994 52.5% 49.2% +7%
1999 3,269 50.4% 48.8% +3%
1998 1,972 48.8% 46.8% +4%
1997 1,318 46.5% 45.5% +2%
1996 874 44.6% 44.2% +1%
1995 623 42.7% 42.3% +1%
1994 442 36.4% 41.0% −11%
1993 343 40.5% 40.5% +0%
1992 303 37.3% 39.1% −5%
1991 344 39.0% 38.9% +0%
1990 332 36.7% 37.1% −1%
1989 281 31.0% 35.2% −12%
1988 173 32.9% 35.0% −6%
1987 145 37.9% 34.4% +10%
1986 122 33.6% 34.0% −1%
1985 103 26.2% 33.9% −23%
1984 79 43.0% 32.7% +32%
1983 76 27.6% 32.7% −15%
1982 53 34.0% 32.6% +4%
1981 57 33.3% 32.6% +2%
1980 70 35.7% 29.2% +22%
1979 87 28.7% 28.7% −0%
1978 72 30.6% 29.0% +5%
1977 63 31.7% 28.8% +10%
1976 61 29.5% 29.3% +1%
1975 62 21.0% 27.5% −24%
1974 51 19.6% 25.0% −21%
1973 74 13.5% 25.8% −48%
1972 70 17.1% 24.3% −29%
1971 397 25.9% 24.9% +4%
1970 131 26.0% 23.8% +9%
1969 92 32.6% 24.8% +31%
1968 111 20.7% 23.4% −11%
1967 102 18.6% 23.4% −20%
1966 93 30.1% 22.4% +34%
1965 81 24.7% 21.6% +14%
1964 64 17.2% 20.7% −17%
1963 64 23.4% 20.2% +16%
1960 51 11.8% 19.5% −40%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Ferrari 142 4.2% 11.4% −63%
Bentley 106 7.5% 13.2% −43%
Aston Martin 139 14.4% 14.2% +1%
Abarth 122 15.6% 25.3% −38%
Porsche 1,611 17.4% 19.3% −10%
MINI 1,346 19.2% 29.3% −35%
Lotus 215 20.5% 20.4% +1%
Triumph 255 23.1% 29.9% −23%
Dacia 410 26.1% 20.3% +29%
Audi 12,127 28.4% 25.5% +11%
BMW 10,524 29.6% 26.9% +10%
Land Rover 6,869 30.3% 31.0% −2%
Skoda 4,825 30.4% 28.3% +7%
Toyota 10,927 31.6% 30.1% +5%
Lexus 801 31.7% 23.4% +35%
Hyundai 5,199 32.5% 29.4% +10%
Mazda 5,025 32.5% 32.2% +1%
Jaguar 3,195 32.8% 31.3% +5%
Jeep 623 33.9% 36.0% −6%
Subaru 831 34.1% 32.8% +4%
smart 193 34.2% 30.4% +13%
Volkswagen 29,644 34.4% 33.1% +4%
Honda 8,204 34.9% 31.1% +12%
Suzuki 3,463 35.1% 32.4% +8%
Nissan 11,754 35.5% 33.3% +6%
MG 1,073 35.5% 41.7% −15%
SEAT 3,891 36.2% 32.6% +11%
Mitsubishi 2,905 36.6% 36.4% +1%
Alfa Romeo 1,031 36.8% 36.8% −0%
FIAT 8,981 36.9% 36.8% +0%
Kia 4,048 37.3% 30.7% +21%
Volvo 4,415 37.4% 35.1% +7%
Mercedes-Benz 7,372 37.4% 30.4% +23%
Isuzu 331 38.1% 43.9% −13%
Daihatsu 336 39.0% 36.1% +8%
Ford 48,565 39.7% 35.2% +13%
Dodge 193 41.5% 42.4% −2%
Peugeot 18,237 41.9% 40.4% +4%
Chevrolet 1,291 42.2% 40.5% +4%
Vauxhall 40,601 42.3% 39.0% +9%
SAAB 1,434 42.3% 40.6% +4%
Citroen 10,762 43.8% 40.6% +8%
Chrysler 599 44.7% 41.8% +7%
Rover 1,076 50.3% 47.0% +7%
Renault 12,827 50.7% 47.4% +7%
LTI 171 57.3% 37.1% +55%
Daewoo 276 57.6% 55.6% +4%
 

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