CarCostCheck

BMW 320I SE AUTO (2021)

Running costs, common problems, and reliability data based on 89 real MOT tests in 2024.

MOT Pass Rate

88%

Total Tests (2024)

89

Avg Mileage

35,566 mi

Est. Annual Cost

£1,922

Is the 2021 BMW 320I SE AUTO reliable?

Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.

At 3 years old, 88% of BMW 320I SE AUTOs from 2021 passed their MOT first time in 2024. That's based on 89 tests across the UK. The average mileage at this age is 35,566 miles.

How does the 2021 BMW 320I SE AUTO compare?

Rank among all 2021 cars2880th out of 3,373(top 85%)
Rank among all BMW models962th out of 1,564(top 62%)
vs national average+6% (82% avg)
vs 2021 cars average-4% (92% avg)
vs BMW average+0% (88% avg)

Mileage Analysis

The average 2021 BMW 320I SE AUTO has 35,566 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.

How much does a 2021 BMW 320I SE 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 SE AUTO by Year

YearPass RateTestsAvg Mileage
202188%8935,566 mi
202095%4138,377 mi

Checking a specific BMW 320I SE AUTO?

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About the 2021 BMW 320I SE AUTO

The 2021 BMW 320I SE AUTO is a premium with a 1998cc petrol engine. 89 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 85% of 2021 cars for MOT pass rates.

With an average of 35,566 miles at 3 years old, BMW 320I SE AUTO owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2021 BMW 320I SE 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 SE 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 88% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 BMW 320I SE 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. Note: with only 89 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 BMW 320I SE 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: