The Comparative Analysis :
Mercedes GLB 250 8G-DCT (20 - ..) vs. BMW X3 M40i Steptronic (17 - 18)
€ 43,800

€ 68,700

€ 43,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes GLB 250 is slightly smaller in every dimension. It's 3.2 inches shorter, 2.5 inches narrower and 0.7 inches lower than the BMW X3 M40i.
Mercedes GLB 250
BMW X3 M40i
65.3
72.2
79.5
66
74.7
84.2
72.2 in
Width
74.7 in
79.5 in
Width Incl. Mirrors
84.2 in
65.3 in
Height
66 in
111.4
182.4
112.8
185.7
182.4 in
Length
185.7 in
111.4 in
Wheelbase
112.8 in
Vehicle Weight
Mercedes GLB 250
BMW X3 M40i
3549 lb
Curb Weight
4156 lb
4729 lb
Gross Vehicle
Weight
Weight
5412 lb

Weight Difference:
606 lb
14.58 %

General
Mercedes GLB 250
BMW X3 M40i
X247
Generation
G01
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Front-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

8-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Mercedes GLB 250
BMW X3 M40i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
Mercedes-Benz M 260
Engine Series
BMW B58
M 260.920
Engine Code
B58-B30


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
221 hp
at 5500 rpm
Power
355 hp
at 5500 rpm
Mercedes GLB 250
221 hp
355 hp
BMW X3 M40i
258 lb‑ft
at 1800 rpm
Max. Torque
369 lb‑ft
at 1520 rpm
Mercedes GLB 250
258 lb‑ft
369 lb‑ft
BMW X3 M40i
Performance
Mercedes GLB 250
BMW X3 M40i
149 mph
Maximum Speed
155 mph
7.1 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
325 ft
0.000 sec

Mercedes GLB 250
62 mph
62
mph
mph
220 ft
0.000 sec

BMW X3 M40i
▶ REPLAY
16.06 lb/hp
Weight-to-Power Ratio
11.71 lb/hp
Mercedes GLB 250
16.06 lb/hp
11.71 lb/hp
BMW X3 M40i
Fuel Economy / Emissions
Mercedes GLB 250
BMW X3 M40i
Fuel Economy
35 mpg
combined
29 mpg
Mercedes GLB 250
35 mpg
29 mpg
BMW X3 M40i
27 mpg
city
22 mpg
41 mpg
highway
No data
13.7 gal
Fuel Tank Capacity
17.2 gal
475 mi
Range
493 mi
Mercedes GLB 250
475 mi
493 mi
BMW X3 M40i
Environmental Impact
128.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
155.3 kWh
Mercedes GLB 250
128.7 kWh
155.3 kWh
BMW X3 M40i
Euro 6d-ISC-FCM (WLTP) 36AP-AR
Emission Standard
Euro 6b (NEFZ)
285 g/mi (WLTP)
CO2 Emissions
303 g/mi (NEFZ)
Practical Convenience
Mercedes GLB 250
BMW X3 M40i
5
Doors
5
5
No. of Seats
5
1179 lb
Maximum Payload
1257 lb
16 cu ft
Trunk Volume
15.6 cu ft











51 cu ft
Cargo Volume (Seats Down)
45.3 cu ft