MoT Data for Northampton

Northampton has a below average overall pass rate and the tables below show a lot of red, indicating pass rates below the national average for most common failure items, car manufacturers and years of manufacture - with a few exceptions.

The best performing maker with more than 1000 cars tested was Porsche, with a failure rate of 21% - 2 percent better than the national average for Porsche.

Most common reasons for MoT failure

Test Item	Failure Rate	National Failure Rate	Relative Rate
Suspension	9.3%	9.6%	−3%
Lamps, reflectors and electrical equipment	9.2%	11.9%	−23%
Brakes	6.7%	7.7%	−13%
Visibility	5.2%	5.3%	−3%
Tyres	5.1%	5.8%	−11%
Body, chassis, structure	3.6%	4.1%	−12%
Noise, emissions and leaks	3.4%	3.6%	−4%
Steering	1.8%	1.9%	−10%
Seat belts and supplementary restraint systems	1.1%	1.3%	−13%

MoT failure rates by year of registration

Year of Registration	Tests	Failure Rate	National Failure Rate	Relative Rate
2021	60	31.7%	17.5%	+80%
2020	131	24.4%	16.7%	+46%
2019	1,912	11.2%	10.3%	+10%
2018	30,275	12.6%	11.7%	+8%
2017	31,238	15.0%	13.2%	+13%
2016	31,620	17.4%	16.5%	+5%
2015	30,497	20.5%	19.5%	+5%
2014	28,253	24.8%	23.0%	+7%
2013	25,378	29.1%	27.2%	+7%
2012	22,071	32.7%	30.5%	+7%
2011	20,688	36.2%	33.4%	+8%
2010	20,695	39.6%	36.8%	+7%
2009	18,584	43.0%	39.1%	+10%
2008	18,608	44.9%	41.5%	+8%
2007	18,825	46.1%	42.6%	+8%
2006	15,228	47.9%	43.9%	+9%
2005	12,068	48.1%	44.9%	+7%
2004	9,578	48.6%	45.7%	+6%
2003	7,226	48.9%	45.6%	+7%
2002	5,078	49.1%	45.2%	+8%
2001	3,197	47.3%	43.9%	+8%
2000	1,924	45.2%	42.5%	+6%
1999	1,337	45.3%	40.8%	+11%
1998	936	39.0%	38.5%	+1%
1997	685	38.8%	37.5%	+4%
1996	399	39.1%	36.5%	+7%
1995	367	28.9%	35.3%	−18%
1994	247	31.2%	34.4%	−9%
1993	214	36.0%	34.7%	+4%
1992	209	34.9%	32.9%	+6%
1991	247	32.4%	32.3%	+0%
1990	265	32.8%	30.9%	+6%
1989	237	27.0%	29.6%	−9%
1988	160	31.3%	30.2%	+3%
1987	156	30.1%	29.5%	+2%
1986	106	29.2%	28.9%	+1%
1985	101	24.8%	28.3%	−13%
1984	73	24.7%	28.1%	−12%
1983	68	19.1%	27.5%	−30%
1982	63	36.5%	27.4%	+33%
1981	57	19.3%	25.3%	−24%

MoT failure rates by make

Make	Tests	Failure Rate	National Failure Rate	Relative Rate
Ferrari	123	6.5%	6.9%	−5%
Aston Martin	191	8.9%	10.3%	−14%
Bentley	157	10.2%	10.3%	−1%
Porsche	2,654	15.7%	14.9%	+5%
Infiniti	108	15.7%	13.5%	+17%
Maserati	106	16.0%	16.1%	−0%
Lotus	294	17.7%	17.8%	−1%
Tesla	142	18.3%	13.3%	+37%
Abarth	473	20.3%	20.8%	−2%
Subaru	888	22.2%	27.8%	−20%
Jaguar	4,785	24.2%	23.9%	+1%
Skoda	7,986	24.5%	23.5%	+4%
Jeep	1,105	24.6%	26.1%	−6%
Audi	20,320	24.8%	22.3%	+11%
Land Rover	11,137	25.0%	25.2%	−1%
BMW	20,978	25.1%	22.9%	+9%
SsangYong	321	25.2%	30.6%	−18%
Lexus	1,010	26.7%	18.7%	+43%
MINI	10,285	27.4%	25.5%	+8%
Hyundai	9,059	27.6%	26.1%	+6%
Dacia	1,616	27.7%	24.7%	+12%
Mazda	7,156	28.1%	28.2%	−0%
SEAT	5,951	28.8%	27.1%	+6%
Isuzu	571	29.1%	40.7%	−29%
Mercedes-Benz	12,735	29.1%	22.3%	+31%
Suzuki	4,827	29.4%	27.5%	+7%
Toyota	15,136	29.9%	27.1%	+10%
Volvo	6,610	30.0%	28.9%	+4%
MG	735	30.2%	28.9%	+4%
Honda	10,248	30.4%	28.2%	+8%
Mitsubishi	3,816	30.4%	28.7%	+6%
Volkswagen	40,378	30.5%	29.0%	+5%
Kia	7,895	30.6%	26.5%	+15%
Nissan	19,353	32.1%	29.5%	+9%
FIAT	11,195	32.7%	32.2%	+2%
smart	178	33.7%	31.9%	+6%
Ford	62,441	34.8%	31.5%	+10%
Peugeot	20,902	35.6%	34.0%	+5%
SAAB	1,002	35.9%	39.5%	−9%
Alfa Romeo	1,134	36.5%	33.7%	+8%
Vauxhall	47,607	36.9%	34.2%	+8%
DS	1,600	39.4%	36.3%	+8%
Citroen	10,645	40.1%	34.2%	+17%
Daihatsu	239	40.2%	36.3%	+11%
Dodge	166	41.0%	40.6%	+1%
Renault	13,810	42.0%	38.6%	+9%
Chrysler	405	43.0%	41.2%	+4%
Rover	426	43.9%	42.5%	+3%
LTI	118	46.6%	38.2%	+22%
Chevrolet	1,099	50.6%	45.1%	+12%