CarCostCheck

BMW 320I SPORT AUTO (2021)

Running costs, common problems, and reliability data based on 777 real MOT tests in 2024.

MOT Pass Rate

87%

Total Tests (2024)

777

Avg Mileage

29,437 mi

Est. Annual Cost

£1,922

Is the 2021 BMW 320I SPORT AUTO reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 3 years old, 87% of BMW 320I SPORT AUTOs from 2021 passed their MOT first time in 2024. That's based on 777 tests across the UK. The average mileage at this age is 29,437 miles.

How does the 2021 BMW 320I SPORT AUTO compare?

Rank among all 2021 cars2941th out of 3,373(top 87%)
Rank among all BMW models1008th out of 1,564(top 64%)
vs national average+5% (82% avg)
vs 2021 cars average-5% (92% avg)
vs BMW average-1% (88% avg)

Mileage Analysis

The average 2021 BMW 320I SPORT AUTO has 29,437 miles on the clock, 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.

Best year to buy a BMW 320I SPORT AUTO?

The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2021 model has the lowest at 87%. Consider a different year if reliability is a priority.

How much does a 2021 BMW 320I SPORT AUTO cost to run?

Fuel (Petrol, 1998cc)
£1,327
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,922
Per month£160/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

BMW 320I SPORT AUTO by Year

YearPass RateTestsAvg Mileage
202187%77729,437 mi
202092%67934,625 mi

Checking a specific BMW 320I SPORT AUTO?

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About the 2021 BMW 320I SPORT AUTO

The 2021 BMW 320I SPORT AUTO is a premium with a 1998cc petrol engine. 777 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 87% of 2021 cars for MOT pass rates.

With an average of 29,437 miles at 3 years old, BMW 320I SPORT AUTO owners cover more miles than the average driver.

2021 BMW 320I SPORT AUTO Fuel Costs

The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 BMW 320I SPORT AUTO?

Total estimated annual running cost is £1,922 160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 BMW 320I SPORT AUTO

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.

Alternatives to the 2021 BMW 320I SPORT AUTO

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: