BMW M440I XDRIVE MHEV AUTO (2021)
Running costs, reliability data, and common problems from 2,725 real MOT tests.
Annual Cost
£2,042
£170/month
MOT Pass Rate
92%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 30-42
2998cc Hybrid
Great Choice
92% pass rate, £2042/year to run. 10 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 10 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 5 years old, 92% of BMW M440I XDRIVE MHEV AUTOs from 2021 passed their MOT first time in 2026. That's based on 2,725 tests across the UK. The average mileage at this age is 23,027 miles.
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How Does It Compare?
Mileage Analysis
23,027
Average miles
37,000
Expected for age
The average 2021 BMW M440I XDRIVE MHEV AUTO has 23,027 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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Best Year to Buy?
The most reliable year is the 2022 model with a 97% MOT pass rate, while the 2021 model has the lowest at 92%. Consider a different year if reliability is a priority.
BMW M440I XDRIVE MHEV AUTO by Year
Similar Cars to Consider
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About the 2021 BMW M440I XDRIVE MHEV AUTO
The 2021 BMW M440I XDRIVE MHEV AUTO is a premium performance with a 2998cc hybrid engine. 2,725 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 23,027 miles at 5 years old, BMW M440I XDRIVE MHEV AUTO owners tend to use this car less than the typical driver.
2021 BMW M440I XDRIVE MHEV AUTO Fuel Costs
The 2998cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2021 BMW M440I XDRIVE MHEV AUTO?
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 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW M440I XDRIVE MHEV AUTO Reliability Trend
The BMW M440I XDRIVE MHEV AUTO has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 BMW M440I XDRIVE MHEV AUTO
At 5 years old, the BMW M440I XDRIVE MHEV AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2021 BMW M440I XDRIVE MHEV AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Hybrid Battery Health
Medium riskAfter 5 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Low riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Medium riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
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 BMW M440I XDRIVE MHEV AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| BMW M440I XDRIVE MHEV AUTO(2021) | 92% | £1592 | £195 | Grp 30-42 | £2042 |
| TOYOTA RAV4(2020) | 95% | £1592 | £190 | Grp 25-38 | £2037-£5 |
| BMW X5 XDRIVE45E M SPORT AUTO(2021) | 88% | £1592 | £190 | Grp 30-42 | £2187+£145 |
| BMW M340I XDRIVE MHEV AUTO(2021) | 93% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| LEXUS RX(2019) | 96% | £1592 | £190 | Grp 35-50 | £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 Bmw Models
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