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
Lamps, reflectors and electrical equipment 11.0% 11.9% −8%
Suspension 10.2% 9.6% +7%
Brakes 8.5% 7.7% +10%
Tyres 7.1% 5.8% +22%
Visibility 5.3% 5.3% −1%
Body, chassis, structure 4.0% 4.1% −4%
Noise, emissions and leaks 3.3% 3.6% −8%
Steering 2.1% 1.9% +11%
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
2018 812 9.9% 9.6% +3%
2017 27,075 14.5% 10.0% +44%
2016 28,798 16.1% 14.9% +8%
2015 29,332 19.9% 18.1% +10%
2014 28,874 22.6% 21.5% +5%
2013 25,965 27.5% 25.3% +9%
2012 22,038 30.8% 28.7% +7%
2011 19,417 34.7% 31.8% +9%
2010 20,021 39.1% 35.5% +10%
2009 18,544 40.9% 37.8% +8%
2008 17,837 45.0% 40.6% +11%
2007 17,862 46.4% 41.9% +11%
2006 14,749 48.6% 43.7% +11%
2005 12,155 49.6% 45.0% +10%
2004 9,547 51.4% 46.2% +11%
2003 7,651 50.2% 46.1% +9%
2002 5,521 52.2% 46.2% +13%
2001 3,165 49.7% 45.3% +10%
2000 1,995 47.2% 43.9% +7%
1999 1,383 49.3% 42.3% +17%
1998 1,012 44.1% 40.1% +10%
1997 728 41.9% 38.6% +8%
1996 532 38.2% 37.6% +2%
1995 428 39.0% 36.0% +8%
1994 324 40.4% 35.1% +15%
1993 292 38.0% 35.3% +8%
1992 244 38.9% 34.3% +13%
1991 251 37.5% 33.9% +11%
1990 212 41.5% 32.2% +29%
1989 176 33.0% 31.3% +5%
1988 129 34.9% 30.7% +14%
1987 103 39.8% 30.6% +30%
1986 99 24.2% 29.8% −19%
1985 79 26.6% 29.6% −10%
1984 81 24.7% 27.9% −12%
1983 56 30.4% 28.0% +8%
1980 62 25.8% 25.3% +2%
1971 71 19.7% 20.2% −2%

MoT failure rates by make

Make Tests Failure Rate National Failure Rate Relative Rate
Porsche 688 19.0% 14.8% +28%
Abarth 122 21.3% 20.4% +5%
BMW 14,267 24.5% 23.1% +6%
Skoda 7,641 26.4% 23.8% +11%
Audi 14,753 26.6% 22.0% +21%
Dacia 4,192 27.4% 24.0% +14%
Hyundai 9,251 27.8% 26.4% +5%
MINI 6,022 28.0% 25.8% +9%
Lexus 495 28.5% 19.2% +48%
MG 821 28.5% 30.9% −8%
Toyota 16,847 28.6% 27.8% +3%
Volvo 6,575 29.4% 29.8% −1%
Suzuki 7,325 29.7% 28.2% +6%
Mazda 5,903 30.1% 28.6% +5%
Kia 11,596 30.4% 27.0% +12%
Honda 8,226 30.7% 28.9% +6%
Jeep 664 30.7% 25.9% +18%
Land Rover 8,902 30.8% 25.6% +20%
Jaguar 2,986 31.0% 25.0% +24%
SEAT 6,754 31.4% 28.0% +12%
smart 124 31.5% 31.3% +1%
Nissan 15,401 32.2% 29.1% +10%
Mercedes-Benz 7,834 32.6% 26.2% +24%
SsangYong 626 33.1% 28.9% +14%
Volkswagen 35,505 33.2% 29.4% +13%
Subaru 527 33.6% 28.7% +17%
FIAT 12,194 34.1% 32.0% +7%
DS 2,624 34.6% 33.8% +2%
Mitsubishi 5,591 34.6% 30.4% +14%
Ford 57,353 35.4% 31.6% +12%
Isuzu 1,274 36.2% 41.1% −12%
Peugeot 18,800 36.9% 34.8% +6%
Vauxhall 37,136 37.1% 34.0% +9%
Citroen 15,280 38.4% 35.4% +9%
Alfa Romeo 634 40.1% 33.1% +21%
SAAB 853 41.1% 39.3% +5%
Rover 519 42.2% 43.1% −2%
Renault 21,475 42.9% 39.6% +8%
Daihatsu 542 43.5% 36.7% +19%
Talbot 115 47.0% 46.4% +1%
Chevrolet 1,271 47.2% 45.0% +5%
Chrysler 233 48.9% 41.2% +19%

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