BMW X3 vs Mercedes-Benz GLS

How does the BMW X3 stack up against the Mercedes-Benz GLS? We put their headline specs side by side so you can see exactly where each car leads.

BMW X3BMW X3
vs
Mercedes-Benz GLSMercedes-Benz GLS
SpecBMW X3Mercedes-Benz GLS
Horsepower (max)463 hp603 hp
0-100 km/h (fastest)4.6 s4.1 s
Top speed250 km/h280 km/h
Variants64
Body styleMid-size SUVFull-size 7-seat SUV
GenerationG45X167
Production2024 – present2020 – present
Length4,755 mm5,210 mm
Width1,920 mm1,956 mm
Height1,660 mm1,823 mm
Wheelbase2,865 mm3,135 mm

BMW X3 vs Mercedes-Benz GLS: common questions

Is the BMW X3 or Mercedes-Benz GLS faster?
The Mercedes-Benz GLS is quicker, hitting 0-60 mph in 3.9s versus the BMW X3's 4.4s (0-100 km/h in 4.1s vs 4.6s).
Which has more horsepower, the BMW X3 or the Mercedes-Benz GLS?
The Mercedes-Benz GLS makes more power: 603 hp (450 kW) versus 463 hp (345 kW) for the BMW X3.
Is the BMW X3 or Mercedes-Benz GLS faster on top speed?
The Mercedes-Benz GLS has the higher top speed at 174 mph (280 km/h), versus 155 mph (250 km/h) for the BMW X3.
What is the main difference between the BMW X3 and the Mercedes-Benz GLS?
The BMW X3 is a mid-size suv, while the Mercedes-Benz GLS is a full-size 7-seat suv. That difference in body style drives most of the others.
BMW X3 specs →Mercedes-Benz GLS specs →