On average, 26.1% of cars will fail their MoT test in Hemel Hempstead, which puts the region below the national average of 29.7%. The most common failure causes are Lamps, reflectors and electrical equipment, Suspension and Visibility.
Cars registered in 2002 have the worst overall MoT pass rate, at 58.6%. The manufacturers with the highest fail rate in this region are Rover, Renault and Chevrolet. At the opposite end of the scale with the best pass rates are Ferrari, Aston Martin and TVR.
| Test Item | Failure Rate | National Failure Rate | Relative Rate |
|---|---|---|---|
| Lamps, reflectors and electrical equipment | 8.5% | 11.9% | −29% |
| Suspension | 6.4% | 9.6% | −33% |
| Visibility | 4.7% | 5.3% | −12% |
| Brakes | 4.6% | 7.7% | −40% |
| Tyres | 4.4% | 5.8% | −24% |
| Body, chassis, structure | 2.6% | 4.1% | −38% |
| Noise, emissions and leaks | 2.5% | 3.6% | −31% |
| Steering | 1.1% | 1.9% | −45% |
| Year of Registration | Tests | Failure Rate | National Failure Rate | Relative Rate |
| 2021 | 77 | 23.4% | 17.5% | +33% |
| 2020 | 134 | 17.2% | 16.7% | +3% |
| 2019 | 1,034 | 9.4% | 10.3% | −8% |
| 2018 | 21,877 | 10.8% | 11.7% | −7% |
| 2017 | 22,319 | 11.6% | 13.2% | −12% |
| 2016 | 23,114 | 14.8% | 16.5% | −11% |
| 2015 | 22,465 | 16.9% | 19.5% | −13% |
| 2014 | 21,265 | 20.4% | 23.0% | −11% |
| 2013 | 19,185 | 24.7% | 27.2% | −9% |
| 2012 | 17,207 | 27.9% | 30.5% | −9% |
| 2011 | 15,890 | 30.1% | 33.4% | −10% |
| 2010 | 15,791 | 33.0% | 36.8% | −10% |
| 2009 | 14,433 | 36.3% | 39.1% | −7% |
| 2008 | 13,701 | 38.1% | 41.5% | −8% |
| 2007 | 13,527 | 38.0% | 42.6% | −11% |
| 2006 | 11,226 | 40.0% | 43.9% | −9% |
| 2005 | 9,165 | 39.6% | 44.9% | −12% |
| 2004 | 7,610 | 40.6% | 45.7% | −11% |
| 2003 | 5,937 | 40.2% | 45.6% | −12% |
| 2002 | 4,286 | 41.4% | 45.2% | −9% |
| 2001 | 2,814 | 38.0% | 43.9% | −14% |
| 2000 | 1,924 | 38.5% | 42.5% | −9% |
| 1999 | 1,322 | 34.5% | 40.8% | −16% |
| 1998 | 935 | 32.8% | 38.5% | −15% |
| 1997 | 676 | 32.4% | 37.5% | −13% |
| 1996 | 468 | 30.6% | 36.5% | −16% |
| 1995 | 337 | 34.1% | 35.3% | −3% |
| 1994 | 256 | 28.9% | 34.4% | −16% |
| 1993 | 205 | 27.8% | 34.7% | −20% |
| 1992 | 217 | 28.6% | 32.9% | −13% |
| 1991 | 218 | 28.9% | 32.3% | −11% |
| 1990 | 230 | 30.9% | 30.9% | +0% |
| 1989 | 258 | 31.4% | 29.6% | +6% |
| 1988 | 167 | 29.9% | 30.2% | −1% |
| 1987 | 147 | 29.3% | 29.5% | −1% |
| 1986 | 107 | 20.6% | 28.9% | −29% |
| 1985 | 98 | 23.5% | 28.3% | −17% |
| 1984 | 75 | 30.7% | 28.1% | +9% |
| 1983 | 88 | 18.2% | 27.5% | −34% |
| 1982 | 63 | 23.8% | 27.4% | −13% |
| 1972 | 51 | 23.5% | 20.2% | +17% |
| Make | Tests | Failure Rate | National Failure Rate | Relative Rate |
|---|---|---|---|---|
| TVR | 349 | 4.0% | 15.8% | −75% |
| Aston Martin | 453 | 8.2% | 10.3% | −21% |
| Ferrari | 154 | 9.1% | 6.9% | +33% |
| Bentley | 195 | 11.3% | 10.3% | +9% |
| Porsche | 2,253 | 13.0% | 14.9% | −13% |
| Tesla | 178 | 14.0% | 13.3% | +5% |
| Triumph | 132 | 14.4% | 22.7% | −37% |
| Maserati | 103 | 15.5% | 16.1% | −3% |
| Abarth | 284 | 18.7% | 20.8% | −10% |
| Audi | 16,849 | 20.2% | 22.3% | −9% |
| BMW | 20,507 | 21.1% | 22.9% | −8% |
| Skoda | 6,115 | 21.4% | 23.5% | −9% |
| Jaguar | 4,010 | 21.6% | 23.9% | −10% |
| Mercedes-Benz | 11,660 | 22.0% | 22.3% | −1% |
| Land Rover | 9,567 | 22.1% | 25.2% | −12% |
| Subaru | 940 | 22.3% | 27.8% | −20% |
| Lexus | 1,239 | 22.4% | 18.7% | +20% |
| MINI | 9,520 | 23.1% | 25.5% | −9% |
| Jeep | 1,163 | 23.8% | 26.1% | −9% |
| Isuzu | 339 | 24.2% | 40.7% | −41% |
| Honda | 11,946 | 24.2% | 28.2% | −14% |
| SEAT | 4,480 | 24.6% | 27.1% | −9% |
| Suzuki | 2,790 | 24.7% | 27.5% | −10% |
| Kia | 5,386 | 25.2% | 26.5% | −5% |
| Mazda | 4,876 | 25.2% | 28.2% | −10% |
| Dacia | 863 | 25.7% | 24.7% | +4% |
| Hyundai | 6,414 | 25.9% | 26.1% | −1% |
| Mitsubishi | 2,724 | 26.0% | 28.7% | −9% |
| Volkswagen | 32,757 | 26.5% | 29.0% | −9% |
| Toyota | 14,649 | 26.7% | 27.1% | −2% |
| MG | 561 | 26.9% | 28.9% | −7% |
| Nissan | 12,989 | 27.8% | 29.5% | −6% |
| Daihatsu | 191 | 29.3% | 36.3% | −19% |
| FIAT | 6,607 | 29.8% | 32.2% | −7% |
| DS | 911 | 30.1% | 36.3% | −17% |
| Volvo | 4,774 | 30.3% | 28.9% | +5% |
| Alfa Romeo | 1,003 | 30.3% | 33.7% | −10% |
| Ford | 41,292 | 30.5% | 31.5% | −3% |
| smart | 167 | 30.5% | 31.9% | −4% |
| Citroen | 9,351 | 30.7% | 34.2% | −10% |
| Peugeot | 10,736 | 32.0% | 34.0% | −6% |
| Vauxhall | 28,063 | 32.3% | 34.2% | −6% |
| SsangYong | 105 | 33.3% | 30.6% | +9% |
| SAAB | 838 | 33.9% | 39.5% | −14% |
| Chrysler | 303 | 34.7% | 41.2% | −16% |
| Rover | 356 | 36.0% | 42.5% | −15% |
| Renault | 7,501 | 37.5% | 38.6% | −3% |
| Chevrolet | 476 | 41.0% | 45.1% | −9% |
