CarCostCheck

MAZDA MX-5 RF SPORT TECH AUTO (2021)

Running costs, common problems, and reliability data based on 47 real MOT tests in 2024.

MOT Pass Rate

100%

Total Tests (2024)

47

Avg Mileage

13,836 mi

Est. Annual Cost

£1,772

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

Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.

At 3 years old, 100% of MAZDA MX-5 RF SPORT TECH AUTOs from 2021 passed their MOT first time in 2024. That's based on 47 tests across the UK. The average mileage at this age is 13,836 miles.

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

Rank among all 2021 cars44th out of 3,373(top 1%)
Rank among all MAZDA models1st out of 483(top 0%)
vs national average+18% (82% avg)
vs 2021 cars average+8% (92% avg)
vs MAZDA average+19% (81% avg)

Mileage Analysis

The average 2021 MAZDA MX-5 RF SPORT TECH AUTO has 13,836 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.

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

YearPass RateTestsAvg Mileage
2021100%4713,836 mi
202091%469,126 mi

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About the 2021 MAZDA MX-5 RF SPORT TECH AUTO

The 2021 MAZDA MX-5 RF SPORT TECH AUTO is a family car with a 1998cc petrol engine. 47 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 1% of all 2021 cars for reliability.

With an average of 13,836 miles at 3 years old, MAZDA MX-5 RF SPORT TECH AUTO owners tend to use this car less than the typical driver.

2021 MAZDA MX-5 RF SPORT TECH AUTO 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 AUTO?

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 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 MAZDA MX-5 RF SPORT TECH AUTO

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. Note: with only 47 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 MAZDA MX-5 RF SPORT TECH AUTO

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