CarCostCheck

Bmw 318i sport auto

Reliability, running costs, and MOT data across 2 years from 492 real MOT tests.

Avg Pass Rate

91%

Total Tests

492

Best Year

2021 (93%)

Years Covered

2

About the Bmw 318i sport auto

The Bmw 318i sport auto has been tested 492 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.

Best and Worst Years

The 2021 model is the most reliable with a 93% pass rate from 379 tests. The 2020 model has the lowest at 88%. With just a 5 point spread, the 318i sport auto is consistently reliable regardless of year.

Mileage Across Years

The oldest model in our data (2020) averages 36,502 miles, while the newest (2021) averages 30,553 miles.

Estimated Running Costs

Fuel (Petrol, 1998cc)
£1,327
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,777
Per month£148/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Bmw 318i sport auto?

vs national average+9% (82% avg)
vs Bmw brand average+3% (88% avg)
Best to worst year spread5 percentage points

Bmw 318i sport auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202193%37930,553 mi
202088%11336,502 mi

Bmw 318i sport auto Guides & Articles

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