BMW iX XDRIVE50 M Sport (2021)
Estimated running costs and MOT pass rates from 74 MOT tests in 2024.
Annual Cost
£1,160
£97/month
MOT Pass Rate
89%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
n/a
Electric
Solid Option
89% pass rate, £1,160/year to run. 7 points above average.
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Annual Running Costs
Home charging at about 7.5p a mile
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), home charging at about 7.5p a mile, 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 iX XDRIVE50 M Sports from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 74 tests across the UK, retests included. The average mileage recorded at those tests was 31,672 miles.
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How Does It Compare?
Mileage Analysis
31,672
Average miles
22,200
Expected for age
The average 2021 BMW iX XDRIVE50 M Sport had 31,672 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 iX XDRIVE50 M Sport
The 2021 BMW iX XDRIVE50 M Sport is an electric car. Our records list it as electric. 74 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 18% of 2021 models for MOT pass rate.
With an average of 31,672 miles recorded at its 2024 MOT tests, BMW iX XDRIVE50 M Sport owners cover more miles than the average driver.
What does it cost to own a 2021 BMW iX XDRIVE50 M Sport?
Total estimated annual running cost is £1,160 (£97/month), broken down as £555 electricity, £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 iX XDRIVE50 M Sport
At 5 years old, the BMW iX XDRIVE50 M Sport 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 74 tests in our data, these figures should be treated as indicative rather than definitive.
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.
Battery Degradation
Medium riskAfter 5 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.
Charging Port
Medium riskCharging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.
Software Updates
Medium riskOlder EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.
12V Auxiliary Battery
Medium riskEVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.
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 iX XDRIVE50 M Sport 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 iX XDRIVE50 M Sport(2021) | 89% | £555 | £200 | n/a | £1,160 |
| Tesla Model 3 Long Range Awd(2021) | 88% | £555 | £200 | n/a | £1,160same |
| Jaguar I-Pace(2020) | 96% | £555 | £200 | n/a | £1,010-£150 |
| Tesla Model 3 Standard Range +(2021) | 88% | £555 | £200 | n/a | £1,160same |
| Nissan Leaf(2021) | 94% | £555 | £200 | n/a | £1,010-£150 |
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 iX XDRIVE50 M Sport
Is the 2021 BMW iX XDRIVE50 M Sport reliable?
Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2021 BMW iX XDRIVE50 M Sports ended in a pass, from 74 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 iX XDRIVE50 M Sport cost to run?
Our estimate is £1,160 a year (£97 a month): £555 electricity, £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 iX XDRIVE50 M Sport?
89% of 74 MOT tests on the 2021 BMW iX XDRIVE50 M Sport ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2739th of 3,336 models first registered in 2021 (bottom 18%).
What is the average mileage for a 2021 BMW iX XDRIVE50 M Sport?
The average mileage recorded at MOT tests on the 2021 BMW iX XDRIVE50 M Sport is 31,672 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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