BMW X5 XDRIVE30D Xline MHEV Auto (2021)
Estimated running costs and MOT pass rates from 102 MOT tests in 2024.
Annual Cost
£2,281
£190/month
MOT Pass Rate
89%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 30-42
2993cc Diesel hybrid
Solid Option
89% pass rate, £2,281/year to run. 7 points above average.
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Annual Running Costs
~40 mpg (diesel-engine estimate; hybrids usually use less)
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 7 points above the average of 82% across all models in our data.
89% of MOT tests on BMW X5 XDRIVE30D Xline MHEV Autos from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 102 tests across the UK, retests included. The average mileage recorded at those tests was 32,648 miles.
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How Does It Compare?
Mileage Analysis
32,648
Average miles
22,200
Expected for age
The average 2021 BMW X5 XDRIVE30D Xline MHEV Auto had 32,648 miles on the clock at its 2024 MOT, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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About the 2021 BMW X5 XDRIVE30D Xline MHEV Auto
The 2021 BMW X5 XDRIVE30D Xline MHEV Auto is a premium performance car. Our records list a 2993cc diesel hybrid engine, though engines vary between versions. 102 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 19% of 2021 models for MOT pass rate.
With an average of 32,648 miles recorded at its 2024 MOT tests, BMW X5 XDRIVE30D Xline MHEV Auto owners cover more miles than the average driver.
2021 BMW X5 XDRIVE30D Xline MHEV Auto Fuel Costs
The 2993cc diesel hybrid engine is on the larger side, so fuel won't be this car's strong point. Our estimate uses around 40 mpg, the figure for a diesel engine of this size, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.
What does it cost to own a 2021 BMW X5 XDRIVE30D Xline MHEV Auto?
Total estimated annual running cost is £2,281 (£190/month), broken down as £1,676 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 BMW X5 XDRIVE30D Xline MHEV Auto
At 5 years old, the BMW X5 XDRIVE30D Xline 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
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
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 X5 XDRIVE30D Xline MHEV Auto stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| BMW X5 XDRIVE30D Xline MHEV Auto(2021) | 89% | £1,676 | £200 | Grp 30-42 | £2,281 |
| Land Rover Range Rover Velar(2020) | 92% | £1,676 | £200 | Grp 30-42 | £2,131-£150 |
| BMW X5 XDRIVE30D M Sport MHEV Auto(2021) | 92% | £1,676 | £200 | Grp 30-42 | £2,131-£150 |
| BMW M340D Xdrive MHEV Auto(2021) | 92% | £1,676 | £200 | Grp 30-42 | £2,131-£150 |
| BMW 530D Xdrive M Sport MHEV Auto(2021) | 89% | £1,676 | £200 | Grp 30-42 | £2,281same |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2021 BMW X5 XDRIVE30D Xline MHEV Auto
Is the 2021 BMW X5 XDRIVE30D Xline MHEV Auto reliable?
Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2021 BMW X5 XDRIVE30D Xline MHEV Autos ended in a pass, from 102 tests (DVSA MOT data for tests in 2024, retests included). That's 7 points above the average of 82% across all models in the same data.
How much does a 2021 BMW X5 XDRIVE30D Xline MHEV Auto cost to run?
Our estimate is £2,281 a year (£190 a month): £1,676 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2021 BMW X5 XDRIVE30D Xline MHEV Auto?
89% of 102 MOT tests on the 2021 BMW X5 XDRIVE30D Xline MHEV Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2725th of 3,336 models first registered in 2021 (bottom 19%).
What is the average mileage for a 2021 BMW X5 XDRIVE30D Xline MHEV Auto?
The average mileage recorded at MOT tests on the 2021 BMW X5 XDRIVE30D Xline MHEV Auto is 32,648 miles, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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