On average, 27.0% of cars will fail their MoT test in Watford, which puts the region below the national average of 29.7%. The most common failure causes are Lamps, reflectors and electrical equipment, Suspension and Tyres.

Cars registered in 2004 have the worst overall MoT pass rate, at 54.3%. The manufacturers with the highest fail rate in this region are SAAB, Chevrolet and Chrysler. At the opposite end of the scale with the best pass rates are Porsche, Dacia and Ferrari.

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Lamps, reflectors and electrical equipment 8.7% 11.9% −27%
Suspension 6.7% 9.6% −30%
Tyres 5.1% 5.8% −12%
Visibility 5.1% 5.3% −5%
Brakes 4.8% 7.7% −37%
Noise, emissions and leaks 2.7% 3.6% −24%
Body, chassis, structure 2.5% 4.1% −40%
Steering 1.0% 1.9% −46%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2020 55 16.4% 16.7% −2%
2019 488 13.3% 10.3% +30%
2018 13,358 12.2% 11.7% +5%
2017 11,800 13.3% 13.2% +0%
2016 11,373 16.4% 16.5% −0%
2015 10,360 18.8% 19.5% −3%
2014 9,263 22.2% 23.0% −4%
2013 8,288 26.6% 27.2% −2%
2012 7,142 29.1% 30.5% −5%
2011 6,520 33.7% 33.4% +1%
2010 6,546 35.3% 36.8% −4%
2009 6,049 38.1% 39.1% −2%
2008 5,633 40.0% 41.5% −4%
2007 5,457 41.6% 42.6% −2%
2006 4,356 41.5% 43.9% −6%
2005 3,736 42.7% 44.9% −5%
2004 3,024 45.7% 45.7% +0%
2003 2,248 43.7% 45.6% −4%
2002 1,645 40.3% 45.2% −11%
2001 1,108 42.3% 43.9% −4%
2000 705 43.8% 42.5% +3%
1999 501 42.5% 40.8% +4%
1998 357 38.7% 38.5% +0%
1997 236 38.1% 37.5% +2%
1996 127 39.4% 36.5% +8%
1995 111 34.2% 35.3% −3%
1994 88 30.7% 34.4% −11%
1993 75 44.0% 34.7% +27%
1992 67 26.9% 32.9% −18%
1991 60 38.3% 32.3% +19%
1990 90 30.0% 30.9% −3%
1989 55 21.8% 29.6% −26%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Ferrari 130 2.3% 6.9% −66%
Dacia 400 14.8% 24.7% −40%
Porsche 997 15.1% 14.9% +2%
Tesla 128 17.2% 13.3% +29%
Skoda 3,140 17.4% 23.5% −26%
Mazda 3,574 19.6% 28.2% −31%
Kia 3,705 20.5% 26.5% −23%
Audi 7,661 22.2% 22.3% −0%
Jeep 295 22.4% 26.1% −14%
Jaguar 1,606 22.4% 23.9% −6%
Land Rover 3,569 22.9% 25.2% −9%
Abarth 112 23.2% 20.8% +12%
Volvo 2,288 23.6% 28.9% −18%
BMW 9,171 23.9% 22.9% +4%
MINI 3,847 24.5% 25.5% −4%
Hyundai 4,000 24.5% 26.1% −6%
Lexus 785 24.6% 18.7% +31%
SEAT 1,432 26.1% 27.1% −4%
Suzuki 1,817 26.6% 27.5% −3%
Subaru 157 26.8% 27.8% −4%
Toyota 8,215 26.9% 27.1% −1%
Volkswagen 12,139 27.3% 29.0% −6%
Honda 6,615 27.8% 28.2% −1%
smart 183 27.9% 31.9% −13%
MG 154 27.9% 28.9% −3%
Mercedes-Benz 4,912 28.0% 22.3% +25%
Mitsubishi 750 29.7% 28.7% +4%
Nissan 7,210 30.1% 29.5% +2%
FIAT 2,610 31.8% 32.2% −1%
Renault 4,057 32.2% 38.6% −16%
Peugeot 4,493 32.7% 34.0% −4%
Ford 16,034 32.9% 31.5% +5%
DS 280 33.6% 36.3% −8%
Citroen 2,980 34.5% 34.2% +1%
Alfa Romeo 274 34.7% 33.7% +3%
Vauxhall 11,858 35.4% 34.2% +3%
SAAB 292 42.8% 39.5% +8%
Chevrolet 219 45.2% 45.1% +0%
Chrysler 118 48.3% 41.2% +17%
 

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