MoT Data for Swansea

Swansea is fairly typical of coastal areas, with quite a lot of red numbers in the tables below. These indicate below average MoT pass rates. Every number in the common causes for failure table is red and almost every number in the year of registration table is red too.

The best performing manufacturer is Porsche, followed by Lexus and Triumph - but few were tested. The best performing maker with more than 1000 cars tested is Toyota, with a pass rate of 70.2 per cent. 

Most common reasons for MoT failure

Test Item Failure Rate National Failure Rate Relative Rate
Suspension 10.4% 9.6% +9%
Lamps, reflectors and electrical equipment 10.0% 11.9% −16%
Brakes 8.1% 7.7% +6%
Tyres 6.5% 5.8% +12%
Visibility 5.2% 5.3% −2%
Body, chassis, structure 3.7% 4.1% −10%
Noise, emissions and leaks 3.2% 3.6% −10%
Steering 2.1% 1.9% +10%
Seat belts and supplementary restraint systems 1.4% 1.3% +8%

MoT failure rates by year of registration

Year of Registration Tests Failure Rate National Failure Rate Relative Rate
2021 85 17.6% 17.5% +1%
2020 128 20.3% 16.7% +21%
2019 1,139 10.6% 10.3% +4%
2018 27,457 12.8% 11.7% +10%
2017 27,089 14.2% 13.2% +8%
2016 30,389 17.3% 16.5% +5%
2015 30,196 21.4% 19.5% +10%
2014 29,857 25.7% 23.0% +11%
2013 26,380 29.9% 27.2% +10%
2012 22,035 33.2% 30.5% +9%
2011 19,548 37.7% 33.4% +13%
2010 20,090 40.9% 36.8% +11%
2009 18,243 43.2% 39.1% +11%
2008 17,007 46.5% 41.5% +12%
2007 16,704 48.2% 42.6% +13%
2006 13,333 49.1% 43.9% +12%
2005 10,485 49.9% 44.9% +11%
2004 8,237 51.4% 45.7% +13%
2003 6,347 50.1% 45.6% +10%
2002 4,575 51.3% 45.2% +13%
2001 2,689 49.5% 43.9% +13%
2000 1,677 47.5% 42.5% +12%
1999 1,258 45.9% 40.8% +13%
1998 877 43.9% 38.5% +14%
1997 596 40.6% 37.5% +8%
1996 384 38.0% 36.5% +4%
1995 319 41.7% 35.3% +18%
1994 224 35.7% 34.4% +4%
1993 250 38.4% 34.7% +11%
1992 203 42.4% 32.9% +29%
1991 216 38.0% 32.3% +17%
1990 200 35.0% 30.9% +13%
1989 199 32.2% 29.6% +9%
1988 134 30.6% 30.2% +1%
1987 97 28.9% 29.5% −2%
1986 90 26.7% 28.9% −8%
1985 86 32.6% 28.3% +15%
1984 79 22.8% 28.1% −19%
1983 61 24.6% 27.5% −10%
1982 50 30.0% 27.4% +10%
1980 50 14.0% 22.9% −39%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Bentley 126 11.9% 10.3% +15%
Porsche 780 18.8% 14.9% +27%
BMW 15,968 24.6% 22.9% +7%
Skoda 8,402 24.7% 23.5% +5%
Abarth 171 25.1% 20.8% +21%
Lexus 509 25.9% 18.7% +39%
Dacia 5,064 27.0% 24.7% +9%
Audi 16,290 27.1% 22.3% +21%
Mercedes-Benz 10,728 27.2% 22.3% +22%
MINI 6,745 27.4% 25.5% +8%
Toyota 17,721 27.4% 27.1% +1%
Hyundai 10,107 27.8% 26.1% +7%
Volvo 6,999 28.3% 28.9% −2%
MG 1,377 28.4% 28.9% −2%
Suzuki 7,707 28.7% 27.5% +5%
Kia 13,030 29.4% 26.5% +11%
Honda 8,438 29.9% 28.2% +6%
SEAT 7,389 30.2% 27.1% +11%
Jaguar 3,450 30.2% 23.9% +26%
Subaru 570 30.4% 27.8% +9%
Land Rover 9,940 30.4% 25.2% +21%
Mazda 6,339 30.7% 28.2% +9%
Mitsubishi 6,030 31.9% 28.7% +11%
Nissan 16,512 32.1% 29.5% +9%
Jeep 759 32.1% 26.1% +23%
Volkswagen 38,718 32.7% 29.0% +13%
smart 128 32.8% 31.9% +3%
SsangYong 782 34.7% 30.6% +13%
FIAT 13,052 34.7% 32.2% +8%
Ford 61,253 34.7% 31.5% +10%
Isuzu 1,387 34.8% 40.7% −15%
Peugeot 19,472 35.8% 34.0% +5%
Alfa Romeo 661 36.6% 33.7% +9%
Citroen 16,055 37.5% 34.2% +10%
Vauxhall 37,625 37.6% 34.2% +10%
DS 2,773 39.0% 36.3% +7%
Chrysler 216 41.2% 41.2% −0%
Renault 21,847 42.1% 38.6% +9%
SAAB 778 43.8% 39.5% +11%
Daihatsu 503 43.9% 36.3% +21%
Rover 447 44.7% 42.5% +5%
Chevrolet 1,168 50.7% 45.1% +12%
Talbot 125 51.2% 47.1% +9%

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