MAZDA MX-5 (2021)
Running costs, common problems, and reliability data based on 613 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
613
Avg Mileage
14,518 mi
Est. Annual Cost
£1,582
Is the 2021 MAZDA MX-5 reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the MAZDA brand average of 81%.
At 3 years old, 96% of MAZDA MX-5s from 2021 passed their MOT first time in 2024. That's based on 613 tests across the UK. The average mileage at this age is 14,518 miles.
How does the 2021 MAZDA MX-5 compare?
Mileage Analysis
The average 2021 MAZDA MX-5 has 14,518 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 cost to run?
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 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 96% | 613 | 14,518 mi |
| 2020 | 96% | 329 | 18,739 mi |
| 2019 | 95% | 7,343 | 21,631 mi |
| 2018 | 94% | 8,140 | 26,083 mi |
| 2017 | 94% | 8,344 | 31,395 mi |
| 2016 | 91% | 7,859 | 36,898 mi |
| 2015 | 90% | 5,320 | 41,274 mi |
| 2014 | 89% | 5,163 | 41,708 mi |
| 2013 | 87% | 5,549 | 49,091 mi |
| 2012 | 85% | 5,782 | 51,355 mi |
| 2011 | 83% | 6,207 | 56,335 mi |
| 2010 | 83% | 8,571 | 61,066 mi |
| 2009 | 82% | 7,643 | 67,260 mi |
| 2008 | 80% | 9,907 | 71,545 mi |
| 2007 | 79% | 14,264 | 76,661 mi |
| 2006 | 77% | 11,920 | 78,342 mi |
| 2005 | 74% | 6,452 | 78,894 mi |
| 2004 | 75% | 6,025 | 83,106 mi |
| 2003 | 75% | 7,845 | 84,391 mi |
| 2002 | 75% | 6,001 | 88,865 mi |
| 2001 | 73% | 4,099 | 95,713 mi |
| 2000 | 73% | 5,716 | 95,771 mi |
| 1999 | 73% | 8,535 | 94,916 mi |
| 1998 | 75% | 8,017 | 96,676 mi |
| 1997 | 76% | 5,880 | 95,736 mi |
| 1996 | 76% | 3,588 | 94,755 mi |
| 1995 | 74% | 2,206 | 95,892 mi |
| 1994 | 76% | 1,222 | 106,680 mi |
| 1993 | 78% | 1,148 | 108,396 mi |
| 1992 | 76% | 1,259 | 115,553 mi |
| 1991 | 78% | 1,798 | 109,861 mi |
| 1990 | 79% | 1,614 | 108,931 mi |
Checking a specific MAZDA MX-5?
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About the 2021 MAZDA MX-5
The 2021 MAZDA MX-5 is a small family car with a 1496cc petrol engine. 613 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 16% of all 2021 cars for reliability.
With an average of 14,518 miles at 3 years old, MAZDA MX-5 owners tend to use this car less than the typical driver.
2021 MAZDA MX-5 Fuel Costs
The 1496cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 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?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MAZDA MX-5 Reliability Trend
Newer MAZDA MX-5s show better MOT pass rates than older ones, with an average improvement of 12 percentage points.
Buying a Used 2021 MAZDA MX-5
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
The MAZDA MX-5 is actually the most reliable option among similar petrol small family cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2019) 91% pass rate (-5%) from 124,950 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-4%) from 89,653 tests
- VAUXHALL CORSA (2019) 88% pass rate (-8%) from 68,639 tests
- NISSAN QASHQAI (2020) 93% pass rate (-3%) from 52,321 tests