CarCostCheck

MAZDA CX-30 SE-L LUX MHEV (2021)

Running costs, common problems, and reliability data based on 2,223 real MOT tests in 2024.

MOT Pass Rate

94%

Total Tests (2024)

2,223

Avg Mileage

23,937 mi

Est. Annual Cost

£1,772

Is the 2021 MAZDA CX-30 SE-L LUX MHEV 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 CX-30 SE-L LUX MHEVs from 2021 passed their MOT first time in 2024. That's based on 2,223 tests across the UK. The average mileage at this age is 23,937 miles.

How does the 2021 MAZDA CX-30 SE-L LUX MHEV compare?

Rank among all 2021 cars1117th out of 3,373(top 33%)
Rank among all MAZDA models110th out of 483(top 23%)
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 CX-30 SE-L LUX MHEV has 23,937 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

Best year to buy a MAZDA CX-30 SE-L LUX MHEV?

The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2020 model has the lowest at 92%. The 2021 sits between the two at 94%.

How much does a 2021 MAZDA CX-30 SE-L LUX MHEV 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 CX-30 SE-L LUX MHEV by Year

YearPass RateTestsAvg Mileage
202297%11623,343 mi
202194%2,22323,937 mi
202092%1,24429,589 mi

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About the 2021 MAZDA CX-30 SE-L LUX MHEV

The 2021 MAZDA CX-30 SE-L LUX MHEV is a family car with a 1998cc petrol engine. 2,223 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 23,937 miles at 3 years old, MAZDA CX-30 SE-L LUX MHEV owners drive about as much as the UK average.

2021 MAZDA CX-30 SE-L LUX MHEV 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 CX-30 SE-L LUX MHEV?

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.

MAZDA CX-30 SE-L LUX MHEV Reliability Trend

Newer MAZDA CX-30 SE-L LUX MHEVs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2021 MAZDA CX-30 SE-L LUX MHEV

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. If you're flexible on year, the 2022 model has the highest pass rate at 97%.

Alternatives to the 2021 MAZDA CX-30 SE-L LUX MHEV

The MAZDA CX-30 SE-L LUX MHEV is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines: