MoT Data for Southampton

There's a lot of red in the Southampton tables, which isn't unusual for a coastal area. Most of the items in the common causes for failure table have higher than average failure rates and it's the same story in the tables for year of registration and manufacturer.

The best performing car maker is Ferrari, but very few were tested. The best manufacturer with more than 1000 models tested is Lexus, with a pass rate of 75.4%.

Most common reasons for MoT failure

Test Item	Failure Rate	National Failure Rate	Relative Rate
Lamps, reflectors and electrical equipment	9.4%	11.9%	−21%
Suspension	7.1%	9.6%	−25%
Tyres	5.4%	5.8%	−7%
Brakes	5.2%	7.7%	−33%
Visibility	5.0%	5.3%	−7%
Noise, emissions and leaks	3.0%	3.6%	−15%
Body, chassis, structure	3.0%	4.1%	−28%
Steering	1.4%	1.9%	−27%
Seat belts and supplementary restraint systems	1.1%	1.3%	−15%

MoT failure rates by year of registration

Year of Registration	Tests	Failure Rate	National Failure Rate	Relative Rate
2021	240	20.0%	17.5%	+14%
2020	203	19.7%	16.7%	+18%
2019	1,139	8.6%	10.3%	−16%
2018	24,356	10.8%	11.7%	−8%
2017	26,723	12.5%	13.2%	−5%
2016	27,586	15.0%	16.5%	−9%
2015	27,410	17.5%	19.5%	−10%
2014	25,972	20.8%	23.0%	−10%
2013	23,862	25.0%	27.2%	−8%
2012	20,972	27.6%	30.5%	−9%
2011	19,754	31.5%	33.4%	−6%
2010	20,253	34.7%	36.8%	−6%
2009	19,236	37.3%	39.1%	−4%
2008	18,147	40.1%	41.5%	−3%
2007	18,317	42.5%	42.6%	−0%
2006	15,073	44.3%	43.9%	+1%
2005	12,406	44.6%	44.9%	−1%
2004	10,089	46.9%	45.7%	+3%
2003	7,951	47.0%	45.6%	+3%
2002	5,773	46.4%	45.2%	+2%
2001	3,885	43.6%	43.9%	−1%
2000	2,529	45.7%	42.5%	+8%
1999	1,642	43.0%	40.8%	+5%
1998	1,214	40.0%	38.5%	+4%
1997	811	43.0%	37.5%	+15%
1996	516	42.6%	36.5%	+17%
1995	399	33.3%	35.3%	−6%
1994	298	36.6%	34.4%	+6%
1993	299	45.5%	34.7%	+31%
1992	257	36.2%	32.9%	+10%
1991	258	37.6%	32.3%	+16%
1990	283	34.3%	30.9%	+11%
1989	254	37.0%	29.6%	+25%
1988	202	30.2%	30.2%	−0%
1987	142	40.1%	29.5%	+36%
1986	124	28.2%	28.9%	−2%
1985	96	36.5%	28.3%	+29%
1984	69	39.1%	28.1%	+39%
1983	89	22.5%	27.5%	−18%
1982	53	28.3%	27.4%	+3%
1981	60	43.3%	25.3%	+71%
1972	55	21.8%	20.2%	+8%

MoT failure rates by make

Make	Tests	Failure Rate	National Failure Rate	Relative Rate
Ferrari	597	3.0%	6.9%	−56%
Maserati	226	8.4%	16.1%	−48%
Aston Martin	179	11.7%	10.3%	+14%
Bentley	361	13.0%	10.3%	+26%
Lexus	2,650	18.5%	18.7%	−1%
Tesla	193	18.7%	13.3%	+40%
Skoda	12,641	20.4%	23.5%	−13%
Abarth	353	20.7%	20.8%	−0%
Porsche	1,610	20.7%	14.9%	+39%
Dacia	1,184	21.6%	24.7%	−12%
Triumph	133	21.8%	22.7%	−4%
Audi	16,768	23.0%	22.3%	+3%
Lotus	133	24.1%	17.8%	+35%
Hyundai	12,583	24.5%	26.1%	−6%
Jaguar	4,142	24.7%	23.9%	+3%
Kia	10,055	24.9%	26.5%	−6%
Toyota	16,245	25.5%	27.1%	−6%
BMW	19,800	25.8%	22.9%	+13%
Mercedes-Benz	12,270	26.3%	22.3%	+18%
Suzuki	5,395	26.5%	27.5%	−4%
Mazda	8,898	26.7%	28.2%	−5%
Volvo	7,593	26.8%	28.9%	−7%
Land Rover	10,021	27.5%	25.2%	+9%
MINI	9,069	27.7%	25.5%	+9%
Honda	13,972	28.1%	28.2%	−1%
SsangYong	135	28.1%	30.6%	−8%
SEAT	5,602	28.4%	27.1%	+5%
MG	698	28.9%	28.9%	+0%
FIAT	9,309	29.7%	32.2%	−8%
Nissan	17,380	30.4%	29.5%	+3%
Volkswagen	38,138	30.9%	29.0%	+6%
Alfa Romeo	1,062	31.1%	33.7%	−8%
Jeep	796	31.8%	26.1%	+22%
Ford	60,621	32.6%	31.5%	+4%
Vauxhall	38,324	33.5%	34.2%	−2%
Mitsubishi	2,996	33.8%	28.7%	+18%
Peugeot	17,261	34.2%	34.0%	+0%
Subaru	863	34.3%	27.8%	+23%
smart	189	35.4%	31.9%	+11%
Daihatsu	235	36.6%	36.3%	+1%
DS	1,182	36.7%	36.3%	+1%
Isuzu	549	37.9%	40.7%	−7%
Citroen	10,644	38.2%	34.2%	+12%
Renault	11,133	38.7%	38.6%	+0%
Rover	391	41.7%	42.5%	−2%
Chevrolet	981	43.4%	45.1%	−4%
SAAB	1,164	44.8%	39.5%	+13%
Dodge	103	45.6%	40.6%	+12%
Chrysler	314	47.5%	41.2%	+15%
Talbot	119	54.6%	47.1%	+16%
Daewoo	132	57.6%	53.3%	+8%