CarCostCheck

Mazda Rx-8

Reliability, running costs, and MOT data across 8 years from 5,362 real MOT tests.

Avg Pass Rate

78%

Total Tests

5,362

Best Year

2010 (85%)

Years Covered

8

About the Mazda Rx-8

The Mazda Rx-8 has been tested 5,362 times in 2026 MOT data across 8 model years (2003 to 2010), with an average pass rate of 78%. That's close to the national average of 82%. Available as petrol.

Best and Worst Years

The 2010 model is the most reliable with a 85% pass rate from 169 tests. The 2004 model has the lowest at 73%. The 12 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Newer MAZDA RX-8s show better MOT pass rates than older ones, with an average improvement of 3 percentage points.

Mileage Across Years

The oldest model in our data (2003) averages 70,074 miles, while the newest (2010) averages 63,729 miles.

Estimated Running Costs

Fuel (Petrol, 2616cc)
£1,592
Road Tax
£430
MOT Test
£55
Predicted Repairs
£350
Total per year£2,427
Per month£202/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2010 details

How reliable is the Mazda Rx-8?

vs national average-4% (82% avg)
vs Mazda brand average-3% (81% avg)
Best to worst year spread12 percentage points
Reliability trendImproving over years

Mazda Rx-8 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
201085%16963,729 mi
200981%53066,357 mi
200875%81666,277 mi
200777%1,08364,619 mi
200676%99966,411 mi
200574%68266,967 mi
200473%91468,061 mi
200382%16970,074 mi

Mazda Rx-8 Guides & Articles

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