CarCostCheck

Mazda 6 SE-L Auto

Reliability, estimated running costs, and MOT data across 1 model year from 38 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

38

Model Year

2021

Years Covered

1

About the Mazda 6 SE-L Auto

The Mazda 6 SE-L Auto was MOT tested 38 times in 2024 (DVSA data, retests included) across 1 model year (2021), with an average pass rate of 95%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Compared to the Mazda brand average of 81%, the 6 SE-L Auto performs 14 points better, making it one of the more reliable options in the Mazda range.

Estimated Running Costs

Fuel (Petrol, 1998cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£2,086
Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mazda 6 SE-L Auto?

vs average of all models+13% (82% avg)
vs Mazda brand average+14% (81% avg)

Mazda 6 SE-L Auto by Year

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

YearPass RateTestsAvg Mileage
202195%3820,074 mi

Questions about the Mazda 6 SE-L Auto

Is the Mazda 6 SE-L Auto reliable?

Across its 1 model year in our data (2021), the Mazda 6 SE-L Auto averages a 95% MOT pass rate, from 38 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data.

Mazda 6 SE-L Auto Guides & Articles

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