MINI Cooper vs BMW 4 Series

The MINI Cooper is the more efficient of the two: it reaches 110 mpg combined versus 31 mpg for the BMW 4 Series, a 79 mpg advantage and costs about $1,750 less per year to fuel.

Across 5 measured categories, the MINI Cooper leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2026

MINI Cooper

Subcompact Cars · 135 configurations

110mpg combined (best)
All MINI Cooper specs

2015–2027

BMW 4 Series

Compact Cars · 160 configurations

31mpg combined (best)
All BMW 4 Series specs

Head-to-head specifications

MetricMINI CooperBMW 4 Series
Best combined MPG110 mpg31 mpg
Best city MPG119 mpg28 mpg
Best highway MPG100 mpg36 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$700$2,450
Lowest CO2 output272 g/mi285 g/mi
Engines offeredSIDI & PFI, SIDI, 1.6SIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI S
TransmissionsAutomatic (AM-S7), Manual 6-spd, Automatic (A1)Automatic (S8), Manual 6-spd
DrivetrainsFront-Wheel DriveRear-Wheel Drive, All-Wheel Drive
Fuel typesPremium, ElectricityPremium
EPA classSubcompact CarsCompact Cars
Years covered2015–20262015–2027
Configurations on record135160

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Cooper vs 4 Series: common questions

Which is better on gas, the MINI Cooper or the BMW 4 Series?

The MINI Cooper is the more efficient of the two: it reaches 110 mpg combined versus 31 mpg for the BMW 4 Series, a 79 mpg advantage and costs about $1,750 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the MINI Cooper runs about $700 a year in fuel at its most efficient configuration, versus about $2,450 for the BMW 4 Series — a difference of roughly $1,750 per year.

What engines do the Cooper and 4 Series offer?

MINI Cooper: SIDI & PFI, SIDI, 1.6. BMW 4 Series: SIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI S.

Are they in the same vehicle class?

The EPA classifies the MINI Cooper as Subcompact Cars and the BMW 4 Series as Compact Cars, so they aren't a like-for-like match on size.

More Cooper comparisons

Comparison id: mini-cooper-vs-bmw-4-series