CarCostCheck

MAZDA CX-30 GT SPORT MHEV 4X4 (2021)

Running costs, common problems, and reliability data based on 388 real MOT tests in 2024.

MOT Pass Rate

90%

Total Tests (2024)

388

Avg Mileage

24,388 mi

Est. Annual Cost

£1,772

Is the 2021 MAZDA CX-30 GT SPORT MHEV 4X4 reliable?

Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.

At 3 years old, 90% of MAZDA CX-30 GT SPORT MHEV 4X4s from 2021 passed their MOT first time in 2024. That's based on 388 tests across the UK. The average mileage at this age is 24,388 miles.

How does the 2021 MAZDA CX-30 GT SPORT MHEV 4X4 compare?

Rank among all 2021 cars2536th out of 3,373(top 75%)
Rank among all MAZDA models172th out of 483(top 36%)
vs national average+8% (82% avg)
vs 2021 cars average-2% (92% avg)
vs MAZDA average+9% (81% avg)

Mileage Analysis

The average 2021 MAZDA CX-30 GT SPORT MHEV 4X4 has 24,388 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 GT SPORT MHEV 4X4?

The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2021 model has the lowest at 90%. Consider a different year if reliability is a priority.

How much does a 2021 MAZDA CX-30 GT SPORT MHEV 4X4 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 MHEV 4X4 by Year

YearPass RateTestsAvg Mileage
202190%38824,388 mi
202094%20025,822 mi

Checking a specific MAZDA CX-30 GT SPORT MHEV 4X4?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

About the 2021 MAZDA CX-30 GT SPORT MHEV 4X4

The 2021 MAZDA CX-30 GT SPORT MHEV 4X4 is a family car with a 1998cc petrol engine. 388 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 falls short of that benchmark.

With an average of 24,388 miles at 3 years old, MAZDA CX-30 GT SPORT MHEV 4X4 owners drive about as much as the UK average.

2021 MAZDA CX-30 GT SPORT MHEV 4X4 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 GT SPORT MHEV 4X4?

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 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MAZDA CX-30 GT SPORT MHEV 4X4

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 CX-30 GT SPORT MHEV 4X4

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: