BMW X3 vs Ford Bronco

The BMW X3 is the more efficient of the two: it reaches 30 mpg combined versus 21 mpg for the Ford Bronco, a 9 mpg advantage and costs about $350 less per year to fuel.

Across 5 measured categories, the BMW X3 leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2026

BMW X3

Small Sport Utility Vehicle 4WD · 47 configurations

30mpg combined (best)
All BMW X3 specs

2021–2026

Ford Bronco

Small Sport Utility Vehicle 4WD · 66 configurations

21mpg combined (best)
All Ford Bronco specs

Head-to-head specifications

MetricBMW X3Ford Bronco
Best combined MPG30 mpg21 mpg
Best city MPG27 mpg20 mpg
Best highway MPG33 mpg22 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,600$2,950
Lowest CO2 output204 g/mi424 g/mi
Engines offeredSIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI; PHEVSIDI & PFI, SIDI
TransmissionsAutomatic (S8)Automatic (S10), Manual 7-spd
DrivetrainsAll-Wheel Drive, Rear-Wheel DrivePart-time 4-Wheel Drive
Fuel typesPremium, Premium and Electricity, DieselRegular
EPA classSmall Sport Utility Vehicle 4WDSmall Sport Utility Vehicle 4WD
Years covered2015–20262021–2026
Configurations on record4766

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

X3 vs Bronco: common questions

Which is better on gas, the BMW X3 or the Ford Bronco?

The BMW X3 is the more efficient of the two: it reaches 30 mpg combined versus 21 mpg for the Ford Bronco, a 9 mpg advantage and costs about $350 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the BMW X3 runs about $2,600 a year in fuel at its most efficient configuration, versus about $2,950 for the Ford Bronco — a difference of roughly $350 per year.

What engines do the X3 and Bronco offer?

BMW X3: SIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI; PHEV. Ford Bronco: SIDI & PFI, SIDI.

Are they in the same vehicle class?

Yes — the EPA classifies both the BMW X3 and the Ford Bronco as Small Sport Utility Vehicle 4WD, so they compete directly.

More X3 comparisons

Comparison id: bmw-x3-vs-ford-bronco