BMW 128I (2021)
Running costs, common problems, and reliability data based on 33 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
33
Avg Mileage
14,969 mi
Est. Annual Cost
£1,772
Is the 2021 BMW 128I reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.
At 3 years old, 91% of BMW 128Is from 2021 passed their MOT first time in 2024. That's based on 33 tests across the UK. The average mileage at this age is 14,969 miles.
How does the 2021 BMW 128I compare?
Mileage Analysis
The average 2021 BMW 128I has 14,969 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
How much does a 2021 BMW 128I cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
Checking a specific BMW 128I?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW 128I
The 2021 BMW 128I is a premium with a 2000cc petrol engine. 33 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 14,969 miles at 3 years old, BMW 128I owners tend to use this car less than the typical driver.
2021 BMW 128I Fuel Costs
The 2000cc 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 128I?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 BMW 128I
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 33 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 BMW 128I
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- NISSAN QASHQAI (2020) 93% pass rate (+2%) from 52,321 tests
- HYUNDAI TUCSON (2019) 90% pass rate (-1%) from 42,920 tests
- MERCEDES A (2021) 94% pass rate (+3%) from 37,477 tests
- VOLVO XC40 (2020) 93% pass rate (+2%) from 36,064 tests