BMW X3 vs Mitsubishi Outlander

The BMW X3 is the more efficient of the two: it reaches 30 mpg combined versus 28 mpg for the Mitsubishi Outlander, a 2 mpg advantage and costs about $400 less per year to fuel.

Across 4 measured categories, the BMW X3 leads in 2. 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

2015–2027

Mitsubishi Outlander

Small Sport Utility Vehicle 4WD · 88 configurations

28mpg combined (best)
All Mitsubishi Outlander specs

Head-to-head specifications

MetricBMW X3Mitsubishi Outlander
Best combined MPG30 mpg28 mpg
Best city MPG27 mpg27 mpg
Best highway MPG33 mpg32 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,600$2,200
Lowest CO2 output204 g/mi97 g/mi
Engines offeredSIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI; PHEV2.4, 2.0, PHEV, SIDI & PFI; Mild Hybrid
TransmissionsAutomatic (S8)Automatic (AV-S6), Automatic (A1), Automatic (AV-S8)
DrivetrainsAll-Wheel Drive, Rear-Wheel Drive4-Wheel Drive, Front-Wheel Drive, All-Wheel Drive
Fuel typesPremium, Premium and Electricity, DieselRegular, Regular Gas and Electricity, Premium
EPA classSmall Sport Utility Vehicle 4WDSmall Sport Utility Vehicle 4WD
Years covered2015–20262015–2027
Configurations on record4788

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

X3 vs Outlander: common questions

Which is better on gas, the BMW X3 or the Mitsubishi Outlander?

The BMW X3 is the more efficient of the two: it reaches 30 mpg combined versus 28 mpg for the Mitsubishi Outlander, a 2 mpg advantage and costs about $400 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Mitsubishi Outlander runs about $2,200 a year in fuel at its most efficient configuration, versus about $2,600 for the BMW X3 — a difference of roughly $400 per year.

What engines do the X3 and Outlander offer?

BMW X3: SIDI & PFI; Mild Hybrid, SIDI, SIDI; Mild Hybrid, SIDI; PHEV. Mitsubishi Outlander: 2.4, 2.0, PHEV, SIDI & PFI; Mild Hybrid.

Are they in the same vehicle class?

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

More X3 comparisons

Comparison id: bmw-x3-vs-mitsubishi-outlander