UK MOT Reliability Index · 2022 to 2024

The most reliable sports cars and convertibles

The most reliable sports car and convertible in the UK on MOT results is the Porsche 911, with 62% fewer MOT fails than the average car its age and mileage. 62 models ranked from 2,417,948 DVSA MOT tests (2022 to 2024).

Every sports car and convertible, most reliable first

Ranked against cars of the same age and mileage: a fair fight between a new model and an old one.

Models ranked by MOT reliability against cars of the same age and mileage
#	Model	Tests	Fail rate	Against same-age cars
1	Lamborghini HuracanSports car and convertible	5,857	2.6%	78% fewer fails
2	Nissan GT-RSports car and convertible	10,189	5.6%	76% fewer fails
3	Ferrari 458Sports car and convertible	6,270	3.9%	74% fewer fails
4	Aston Martin DBSSports car and convertible	5,956	4.6%	71% fewer fails
5	Aston Martin V8 VantageSports car and convertible	12,442	8.8%	70% fewer fails
6	Ferrari CaliforniaSports car and convertible	7,409	5.6%	67% fewer fails
7	Aston Martin DB9Sports car and convertible	17,372	9%	67% fewer fails
8	Aston Martin DB11Sports car and convertible	10,514	3.9%	66% fewer fails
9	Aston Martin VantageSports car and convertible	18,812	6%	65% fewer fails
10	Aston Martin VanquishSports car and convertible	7,088	6.4%	63% fewer fails
11	Audi R8Sports car and convertible	19,383	7.7%	63% fewer fails
12	Ferrari 488Sports car and convertible	7,206	3.9%	62% fewer fails
13	Porsche 911Sports car and convertible	177,861	10.4%	62% fewer fails
14	Porsche CaymanSports car and convertible	59,525	9.8%	60% fewer fails
15	Nissan SkylineSports car and convertible	6,645	14.2%	60% fewer fails
16	TVR ChimaeraSports car and convertible	5,815	13.1%	58% fewer fails
17	Aston Martin DB7Sports car and convertible	5,836	14.1%	56% fewer fails
18	McLaren 570Sports car and convertible	5,231	5%	55% fewer fails
19	Mercedes-Benz GTSports car and convertible	5,826	5.8%	55% fewer fails
20	Subaru WRXSports car and convertible	7,146	10.8%	53% fewer fails
21	Jaguar F-TypeSports car and convertible	57,876	7.8%	52% fewer fails
22	Nissan 370 ZSports car and convertible	6,483	14.3%	51% fewer fails
23	Honda S2000Sports car and convertible	17,881	18.5%	51% fewer fails
24	Mercedes-Benz SLSports car and convertible	73,297	15.3%	51% fewer fails
25	Lotus EliseSports car and convertible	17,449	14.2%	51% fewer fails
26	Porsche BoxsterSports car and convertible	126,985	16.4%	48% fewer fails
27	Lexus SCSports car and convertible	6,690	21.7%	46% fewer fails
28	BMW i8Sports car and convertible	9,373	9.6%	44% fewer fails
29	Jaguar XKSports car and convertible	30,481	17.8%	44% fewer fails
30	Maserati GranturismoSports car and convertible	7,722	15.4%	38% fewer fails
31	Toyota GT86Sports car and convertible	24,067	14.8%	37% fewer fails
32	Jaguar XKRSports car and convertible	32,106	22.6%	37% fewer fails
33	MINI PacemanSports car and convertible	29,646	15.5%	36% fewer fails
34	BMW Z4Sports car and convertible	123,418	22.2%	33% fewer fails
35	Nissan 350 ZSports car and convertible	20,281	26.1%	33% fewer fails
36	Jaguar XK8Sports car and convertible	21,292	25.9%	31% fewer fails
37	Audi TTSports car and convertible	423,844	22.6%	29% fewer fails
38	Smart RoadsterSports car and convertible	5,322	28.9%	26% fewer fails
39	Abarth 124 SpiderSports car and convertible	6,677	9.6%	25% fewer fails
40	Mercedes-Benz SLKSports car and convertible	216,164	25.9%	21% fewer fails
41	Alfa Romeo SpiderSports car and convertible	9,446	30.2%	18% fewer fails
42	Mercedes-Benz SLCSports car and convertible	32,984	11.8%	18% fewer fails
43	Toyota MR2Sports car and convertible	29,006	33.3%	17% fewer fails
44	MINI RoadsterSports car and convertible	10,823	19.6%	17% fewer fails
45	Mazda MX-5Sports car and convertible	312,377	25.3%	16% fewer fails
46	Chrysler CrossfireSports car and convertible	7,457	33%	16% fewer fails
47	MINI CoupeSports car and convertible	6,684	27.6%	16% fewer fails
48	Ford MustangSports car and convertible	44,751	14.7%	15% fewer fails
49	Alfa Romeo BreraSports car and convertible	6,490	34.8%	15% fewer fails
50	BMW Z3Sports car and convertible	43,023	31.3%	15% fewer fails
51	MINI ConvertibleSports car and convertible	10,150	28.1%	14% fewer fails
52	Volkswagen EosSports car and convertible	47,085	33.7%	14% fewer fails
53	Mazda RX-8Sports car and convertible	11,459	31.9%	13% fewer fails
54	MG TFSports car and convertible	33,337	30.8%	13% fewer fails
55	Toyota CelicaSports car and convertible	31,209	39.4%	8% fewer fails
56	Fiat 124Sports car and convertible	10,087	12.5%	6% fewer fails
57	Vauxhall CascadaSports car and convertible	10,353	22.6%	4% fewer fails
58	Volvo C70Sports car and convertible	29,733	38.9%	3% fewer fails
59	MGFSports car and convertible	18,775	34.1%	1% fewer fails
60	Alfa Romeo GTSports car and convertible	6,861	45.9%	8% more fails
61	Peugeot RCZSports car and convertible	39,044	33%	10% more fails
62	Renault WindSports car and convertible	7,377	38.9%	24% more fails

All segments: UK MOT Reliability Index. Method: how we rank.

Questions

What is the most reliable sports car and convertible?

Which sports car and convertible is least reliable?

Among models with 20,000+ tests, the Peugeot RCZ (10% more MOT fails than the average car its age).

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