CarCostCheck

MAZDA 6 SPORT (2021)

Running costs, common problems, and reliability data based on 417 real MOT tests in 2024.

MOT Pass Rate

94%

Total Tests (2024)

417

Avg Mileage

26,637 mi

Est. Annual Cost

£1,772

Is the 2021 MAZDA 6 SPORT reliable?

Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.

At 3 years old, 94% of MAZDA 6 SPORTs from 2021 passed their MOT first time in 2024. That's based on 417 tests across the UK. The average mileage at this age is 26,637 miles.

How does the 2021 MAZDA 6 SPORT compare?

Rank among all 2021 cars1263th out of 3,373(top 37%)
Rank among all MAZDA models119th out of 483(top 25%)
vs national average+12% (82% avg)
vs 2021 cars average+2% (92% avg)
vs MAZDA average+13% (81% avg)

Mileage Analysis

The average 2021 MAZDA 6 SPORT has 26,637 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 MAZDA 6 SPORT cost to run?

Fuel (Petrol, 1998cc)
£1,327
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,772
Per month£148/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

MAZDA 6 SPORT by Year

YearPass RateTestsAvg Mileage
202297%3023,762 mi
202194%41726,637 mi

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About the 2021 MAZDA 6 SPORT

The 2021 MAZDA 6 SPORT is a family car with a 1998cc petrol engine. 417 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 26,637 miles at 3 years old, MAZDA 6 SPORT owners drive about as much as the UK average.

2021 MAZDA 6 SPORT Fuel Costs

The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 MAZDA 6 SPORT?

Total estimated annual running cost is £1,772 148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MAZDA 6 SPORT

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.

Alternatives to the 2021 MAZDA 6 SPORT

The MAZDA 6 SPORT is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines: