BMW 320i M Sport Saloon running costs

Petrol · 41.5 UK mpg

Check your personal running cost

Example cost per mile17.7p

Example annual cost£1771at 10,000 miles

How the cost is calculated

The relevant pump price is converted through UK MPG using 4.54609 litres per imperial gallon.

Example assumptions: 26.11p/kWh home electricity, 65p/kWh public charging, 161.63p/litre petrol and 182.82p/litre diesel.

Data provenance

Confidence: estimated
Last verified: 2026-08-27
Primary source: BMW UK 3 Series Saloon technical data