BMW M340D XDRIVE MHEV AUTO (2020)
Running costs, reliability data, and common problems from 770 real MOT tests.
Annual Cost
£2,042
£170/month
MOT Pass Rate
93%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 30-42
2993cc Petrol
Great Choice
93% pass rate, £2042/year to run. 11 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 11 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 6 years old, 93% of BMW M340D XDRIVE MHEV AUTOs from 2020 passed their MOT first time in 2026. That's based on 770 tests across the UK. The average mileage at this age is 39,495 miles.
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How Does It Compare?
Mileage Analysis
39,495
Average miles
44,400
Expected for age
The average 2020 BMW M340D XDRIVE MHEV AUTO has 39,495 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
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BMW M340D XDRIVE MHEV AUTO by Year
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About the 2020 BMW M340D XDRIVE MHEV AUTO
The 2020 BMW M340D XDRIVE MHEV AUTO is a premium performance with a 2993cc petrol engine. 770 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 39,495 miles at 6 years old, BMW M340D XDRIVE MHEV AUTO owners drive about as much as the UK average.
2020 BMW M340D XDRIVE MHEV AUTO Fuel Costs
The 2993cc 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 2020 BMW M340D 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 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW M340D XDRIVE MHEV AUTO Reliability Trend
The BMW M340D XDRIVE MHEV AUTO has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2020 BMW M340D XDRIVE MHEV AUTO
At 6 years old, the BMW M340D 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 2020 BMW M340D XDRIVE MHEV AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
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 2020 BMW M340D 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 M340D XDRIVE MHEV AUTO(2020) | 93% | £1592 | £195 | Grp 30-42 | £2042 |
| LAND ROVER RANGE ROVER VELAR(2020) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| BMW X5 XDRIVE30D M SPORT MHEV AUTO(2021) | 92% | £1592 | £190 | Grp 30-42 | £2037-£5 |
| BMW 530D XDRIVE M SPORT MHEV AUTO(2021) | 89% | £1592 | £190 | Grp 30-42 | £2187+£145 |
| LAND ROVER DEFENDER XDYNAMIC HSE D MHEV A(2021) | 96% | £1592 | £190 | Grp 30-42 | £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.
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