CarCostCheck

MAZDA MX-5 RF SPORT TECH (2021)

Running costs, common problems, and reliability data based on 456 real MOT tests in 2024.

MOT Pass Rate

95%

Total Tests (2024)

456

Avg Mileage

16,118 mi

Est. Annual Cost

£1,772

Is the 2021 MAZDA MX-5 RF SPORT TECH reliable?

Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.

At 3 years old, 95% of MAZDA MX-5 RF SPORT TECHs from 2021 passed their MOT first time in 2024. That's based on 456 tests across the UK. The average mileage at this age is 16,118 miles.

How does the 2021 MAZDA MX-5 RF SPORT TECH compare?

Rank among all 2021 cars887th out of 3,373(top 26%)
Rank among all MAZDA models81th out of 483(top 17%)
vs national average+13% (82% avg)
vs 2021 cars average+3% (92% avg)
vs MAZDA average+14% (81% avg)

Mileage Analysis

The average 2021 MAZDA MX-5 RF SPORT TECH has 16,118 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Best year to buy a MAZDA MX-5 RF SPORT TECH?

The most reliable year is the 2020 model with a 99% MOT pass rate, while the 2021 model has the lowest at 95%. Consider a different year if reliability is a priority.

How much does a 2021 MAZDA MX-5 RF SPORT TECH 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 MX-5 RF SPORT TECH by Year

YearPass RateTestsAvg Mileage
202195%45616,118 mi
202099%44618,809 mi

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About the 2021 MAZDA MX-5 RF SPORT TECH

The 2021 MAZDA MX-5 RF SPORT TECH is a family car with a 1998cc petrol engine. 456 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 16,118 miles at 3 years old, MAZDA MX-5 RF SPORT TECH owners tend to use this car less than the typical driver.

2021 MAZDA MX-5 RF SPORT TECH 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 MX-5 RF SPORT TECH?

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 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MAZDA MX-5 RF SPORT TECH

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 MX-5 RF SPORT TECH

The MAZDA MX-5 RF SPORT TECH is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines: