MOT reliability

Mazda Rx-8

Q: Is the Mazda Rx-8 reliable?

Across 25,215 Mazda Rx-8 vehicles in our MOT data, 73% pass the MOT (a 27% failure rate), with about 1.7 faults or advisories recorded per test.

Q: What is the average mileage of a Mazda Rx-8?

The typical Mazda Rx-8 in our data has covered around 71,673 miles.

25,215 vehicles · 304,475 completed MOT tests analysed

73%

MOT pass rate

Based on 25,215 Mazda Rx-8 vehicles and 304,475 completed MOT tests, the Mazda Rx-8 has an overall 73% pass rate, with an average recorded mileage of 71,673 miles.

25,215

Vehicles

304,475

MOT tests

5,500

Avg miles / year

1.7

Faults per test

Dangerous-fault share

Mazda Rx-8 problem areas

Where faults occur most across all Mazda Rx-8 MOT tests:

Other93%
Tyres, wheels & suspension9%
Brakes7%
Emissions & nuisance5%
Lamps & electrical2%
Steering2%
Seatbelts & equipment1%
Body & structure1%

Mazda Rx-8 pass rate by age

How the Mazda Rx-8's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)	Tests	Pass rate
1	80	86%
2	860	80%
3	30,744	80%
4	31,795	77%
5	32,194	74%
6	31,585	73%
7	30,246	72%
8	27,829	72%
9	24,792	71%
10	21,128	70%
11	17,405	70%
12	13,901	69%
13	10,554	70%
14	8,062	70%
15	6,323	72%
16	5,071	72%
17	4,070	72%
18	3,082	72%
19	2,215	73%
20	1,362	74%

Fuel types: Petrol (25,207), LPG (4), Electric (3), Other (1)

Most common Mazda Rx-8 MOT faults

These are the faults and advisories recorded most often across Mazda Rx-8 MOT tests:

Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (19,734 times)
Offside Rear Tyre worn close to the legal limit (4.1.E.1) (19,652 times)
Front Brake pad(s) wearing thin (3.5.1g) (14,437 times)
Nearside Front Tyre worn close to the legal limit (4.1.E.1) (14,432 times)
Offside Front Tyre worn close to the legal limit (4.1.E.1) (13,622 times)
Rear Brake pad(s) wearing thin (3.5.1g) (11,690 times)
Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (7,324 times)
Engine covers fitted obscuring some components in the engine bay (6,968 times)
Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3) (6,806 times)
Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (6,540 times)
Under-trays fitted obscuring some underside components (6,344 times)
Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) (4,166 times)
Offside Front Anti-roll bar linkage insecure (2.4.G.1) (4,060 times)
Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (3,926 times)
Oil leak (3,924 times)

Mazda Rx-8 pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
2024	1	1	100%	46,351
2013	1	2	50%	50,843
2012	1	1	100%	35,016
2011	31	381	84%	60,603
2010	166	2,057	82%	61,895
2009	633	7,960	77%	62,825
2008	1,274	15,991	75%	65,078
2007	2,998	36,946	74%	66,499
2006	4,486	54,573	74%	70,066
2005	4,824	57,961	73%	72,500
2004	8,926	106,063	72%	75,217
2003	1,873	22,534	71%	73,513

Mazda Rx-8 reliability FAQ

Across 25,215 Mazda Rx-8 vehicles in our MOT data, 73% pass the MOT (a 27% failure rate), with about 1.7 faults or advisories recorded per test.

The most frequently recorded Mazda Rx-8 MOT issues are: Nearside Rear Tyre worn close to the legal limit (4.1.E.1); Offside Rear Tyre worn close to the legal limit (4.1.E.1); Front Brake pad(s) wearing thin (3.5.1g).

The typical Mazda Rx-8 in our data has covered around 71,673 miles.

Compare the Mazda Rx-8

See how the Mazda Rx-8 stacks up against other Mazda models on MOT reliability:

Rx-8 vs 3 Rx-8 vs Mx-5 Rx-8 vs 6 Rx-8 vs 2

Check a specific Mazda Rx-8

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See all Mazda models · Learn about common MOT failures · what an MOT checks