BMW 218D M SPORT (2021)
Running costs, reliability data, and common problems from 423 real MOT tests.
Annual Cost
£1,637
£136/month
MOT Pass Rate
89%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1995cc Diesel
Solid Option
89% pass rate, £1637/year to run. 7 points above average.
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Annual Running Costs
~48 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 7 points above the national average of 82%.
At 5 years old, 89% of BMW 218D M SPORTs from 2021 passed their MOT first time in 2026. That's based on 423 tests across the UK. The average mileage at this age is 36,445 miles.
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How Does It Compare?
Mileage Analysis
36,445
Average miles
37,000
Expected for age
The average 2021 BMW 218D M SPORT has 36,445 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 2019 model with a 91% MOT pass rate, while the 2020 model has the lowest at 89%. The 2021 sits between the two at 89%.
BMW 218D M SPORT by Year
Similar Cars to Consider
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About the 2021 BMW 218D M SPORT
The 2021 BMW 218D M SPORT is a premium with a 1995cc diesel engine. 423 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 80% of 2021 cars for MOT pass rates.
With an average of 36,445 miles at 5 years old, BMW 218D M SPORT owners drive about as much as the UK average.
2021 BMW 218D M SPORT Fuel Costs
The 1995cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2021 BMW 218D M SPORT?
Total estimated annual running cost is £1,637 (£136/month), broken down as £1037 fuel, £195 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.
BMW 218D M SPORT Reliability Trend
The BMW 218D M SPORT has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 BMW 218D M SPORT
At 5 years old, the BMW 218D 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. If you're flexible on year, the 2019 model has the highest pass rate at 91%.
Common Issues to Watch For
Based on the 2021 BMW 218D M SPORT's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Low riskExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
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 218D M SPORT stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| BMW 218D M SPORT(2021) | 89% | £1037 | £195 | Grp 18-32 | £1637 |
| FORD FOCUS(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£137 |
| FORD KUGA(2019) | 91% | £1037 | £190 | Grp 18-32 | £1482-£155 |
| VOLKSWAGEN POLO(2019) | 89% | £905 | £190 | Grp 12-25 | £1500-£137 |
| FORD TRANSIT CUSTOM(2019) | 87% | £1037 | £190 | Grp 18-32 | £1632-£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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