BMW X5 XDRIVE45E XLINE AUTO (2021)
Running costs, reliability data, and common problems from 565 real MOT tests.
Annual Cost
£2,192
£183/month
MOT Pass Rate
88%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 30-42
2998cc Hybrid
Solid Option
88% pass rate, £2192/year to run. 6 points above average.
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Annual Running Costs
~30 mpg
Flat rate (post-2017)
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
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 5 years old, 88% of BMW X5 XDRIVE45E XLINE AUTOs from 2021 passed their MOT first time in 2026. That's based on 565 tests across the UK. The average mileage at this age is 43,633 miles.
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How Does It Compare?
Mileage Analysis
43,633
Average miles
37,000
Expected for age
The average 2021 BMW X5 XDRIVE45E XLINE AUTO has 43,633 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2020 model with a 93% MOT pass rate, while the 2021 model has the lowest at 88%. Consider a different year if reliability is a priority.
BMW X5 XDRIVE45E XLINE AUTO by Year
Similar Cars to Consider
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About the 2021 BMW X5 XDRIVE45E XLINE AUTO
The 2021 BMW X5 XDRIVE45E XLINE AUTO is a premium performance with a 2998cc hybrid engine. 565 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 84% of 2021 cars for MOT pass rates.
With an average of 43,633 miles at 5 years old, BMW X5 XDRIVE45E XLINE AUTO owners drive about as much as the UK average.
2021 BMW X5 XDRIVE45E XLINE 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 X5 XDRIVE45E XLINE AUTO?
Total estimated annual running cost is £2,192 (£183/month), broken down as £1592 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
BMW X5 XDRIVE45E XLINE AUTO Reliability Trend
The BMW X5 XDRIVE45E XLINE AUTO has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2021 BMW X5 XDRIVE45E XLINE AUTO
At 5 years old, the BMW X5 XDRIVE45E XLINE 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 X5 XDRIVE45E XLINE 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 X5 XDRIVE45E XLINE AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| BMW X5 XDRIVE45E XLINE AUTO(2021) | 88% | £1592 | £195 | Grp 30-42 | £2192 |
| TOYOTA RAV4(2020) | 95% | £1592 | £190 | Grp 25-38 | £2037-£155 |
| BMW X5 XDRIVE45E M SPORT AUTO(2021) | 88% | £1592 | £190 | Grp 30-42 | £2187-£5 |
| BMW M340I XDRIVE MHEV AUTO(2021) | 93% | £1592 | £190 | Grp 30-42 | £2037-£155 |
| LEXUS RX(2019) | 96% | £1592 | £190 | Grp 35-50 | £2037-£155 |
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
Explore other Bmw cars or similar models in the same category.
BMW 3 SERIES
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BMW 5 SERIES
2018 · 2998cc Petrol
BMW 116
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TOYOTA RAV4
2020 · 2500cc Hybrid
BMW X5 XDRIVE45E M SPORT AUTO
2021 · 2998cc Hybrid
BMW M340I XDRIVE MHEV AUTO
2021 · 2998cc Hybrid
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