CarCostCheck

MAZDA CX-30 GT SPORT TECH MHEV (2020)

Running costs, common problems, and reliability data based on 905 real MOT tests in 2024.

MOT Pass Rate

94%

Total Tests (2024)

905

Avg Mileage

27,485 mi

Est. Annual Cost

£1,772

Is the 2020 MAZDA CX-30 GT SPORT TECH 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 4 years old, 94% of MAZDA CX-30 GT SPORT TECH MHEVs from 2020 passed their MOT first time in 2024. That's based on 905 tests across the UK. The average mileage at this age is 27,485 miles.

How does the 2020 MAZDA CX-30 GT SPORT TECH MHEV compare?

Rank among all 2020 cars727th out of 2,596(top 28%)
Rank among all MAZDA models114th out of 483(top 24%)
vs national average+12% (82% avg)
vs 2020 cars average+2% (92% avg)
vs MAZDA average+13% (81% avg)

Mileage Analysis

The average 2020 MAZDA CX-30 GT SPORT TECH MHEV has 27,485 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.

Best year to buy a MAZDA CX-30 GT SPORT TECH MHEV?

The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2019 model has the lowest at 91%. The 2020 sits between the two at 94%.

How much does a 2020 MAZDA CX-30 GT SPORT TECH 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 GT SPORT TECH MHEV by Year

YearPass RateTestsAvg Mileage
202298%5521,035 mi
202195%1,03121,897 mi
202094%90527,485 mi
201991%6622,969 mi

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About the 2020 MAZDA CX-30 GT SPORT TECH MHEV

The 2020 MAZDA CX-30 GT SPORT TECH MHEV is a family car with a 1998cc petrol engine. 905 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 27,485 miles at 4 years old, MAZDA CX-30 GT SPORT TECH MHEV owners drive about as much as the UK average.

2020 MAZDA CX-30 GT SPORT TECH 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 2020 MAZDA CX-30 GT SPORT TECH 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 GT SPORT TECH MHEV Reliability Trend

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

Buying a Used 2020 MAZDA CX-30 GT SPORT TECH MHEV

At 4 years old, the MAZDA CX-30 GT SPORT TECH MHEV offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 98%.

Alternatives to the 2020 MAZDA CX-30 GT SPORT TECH MHEV

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