MAZDA CX-5 (2021)
Running costs, reliability data, and common problems from 97 real MOT tests.
Annual Cost
£2,042
£170/month
MOT Pass Rate
95%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 25-38
2500cc Petrol
Great Choice
95% pass rate, £2042/year to run. 13 points above average.
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Annual Running Costs
~30 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
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 5 years old, 95% of MAZDA CX-5s from 2021 passed their MOT first time in 2026. That's based on 97 tests across the UK. The average mileage at this age is 24,896 miles.
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How Does It Compare?
Mileage Analysis
24,896
Average miles
37,000
Expected for age
The average 2021 MAZDA CX-5 has 24,896 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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MAZDA CX-5 by Year
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About the 2021 MAZDA CX-5
The 2021 MAZDA CX-5 is a large car with a 2500cc petrol engine. 97 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 24,896 miles at 5 years old, MAZDA CX-5 owners tend to use this car less than the typical driver.
2021 MAZDA CX-5 Fuel Costs
The 2500cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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-5?
Total estimated annual running cost is £2,042 (£170/month), broken down as £1592 fuel, £195 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.
MAZDA CX-5 Reliability Trend
Newer MAZDA CX-5s show better MOT pass rates than older ones, with an average improvement of 10 percentage points.
Buying a Used 2021 MAZDA CX-5
At 5 years old, the MAZDA CX-5 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 97 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2021 MAZDA CX-5's fuel type, age, and engine size, these are the most likely problem areas to check.
Oil Consumption
Low riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2021 MAZDA CX-5 stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MAZDA CX-5(2021) | 95% | £1592 | £195 | Grp 25-38 | £2042 |
| VOLVO XC40(2020) | 93% | £1327 | £190 | Grp 18-32 | £1772-£270 |
| BMW 5 SERIES(2019) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| BMW X3(2019) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| FORD RANGER(2021) | 90% | £1592 | £190 | Grp 25-38 | £2037-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mazda Models
Explore other Mazda cars or similar models in the same category.
MAZDA 2
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MAZDA 3
2015 · 1998cc Petrol
MAZDA MX-5
2007 · 1798cc Petrol
VOLVO XC40
2020 · 2000cc Petrol
BMW 5 SERIES
2019 · 2998cc Petrol
BMW X3
2019 · 2998cc Petrol
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