The Comparative Analysis :
BMW X3 M40i Steptronic (18 - ..) vs. BMW X4 M40i Steptronic (15 - 18)
€ 69,300

€ 68,400

€ 69,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The X3 M40i is 1.8 inches longer, 0.2 inches narrower and 2 inches taller than the X4 M40i.
X3 M40i
X4 M40i
66
74.7
84.2
63.9
74.8
82.6
74.7 in
Width
74.8 in
84.2 in
Width Incl. Mirrors
82.6 in
66 in
Height
63.9 in
112.8
185.7
110.6
183.9
185.7 in
Length
183.9 in
112.8 in
Wheelbase
110.6 in
Vehicle Weight
X3 M40i
X4 M40i
4156 lb
Curb Weight
4222 lb
5412 lb
Gross Vehicle
Weight
Weight
5357 lb

Weight Difference:
66 lb
1.56 %

General
X3 M40i
X4 M40i
G01
Generation
F26
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
X3 M40i
X4 M40i
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
BMW B58
Engine Series
BMW N55
B58-B30
Engine Code
N55-B30


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
349 hp
at 5500 rpm
Power
355 hp
at 5800 rpm
X3 M40i
349 hp
355 hp
X4 M40i
369 lb‑ft
at 1550 rpm
Max. Torque
343 lb‑ft
at 1350 rpm
X3 M40i
369 lb‑ft
343 lb‑ft
X4 M40i
Performance
X3 M40i
X4 M40i
155 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
220 ft
0.000 sec

X3 M40i
62 mph
62
mph
mph
223 ft
0.000 sec

X4 M40i
▶ REPLAY
11.91 lb/hp
Weight-to-Power Ratio
11.89 lb/hp
X3 M40i
11.91 lb/hp
11.89 lb/hp
X4 M40i
Fuel Economy / Emissions
X3 M40i
X4 M40i
Fuel Economy
26 mpg
combined
27 mpg
X3 M40i
26 mpg
27 mpg
X4 M40i
20 mpg
city
21 mpg
No data
highway
No data
17.2 gal
Fuel Tank Capacity
17.7 gal
444 mi
Range
484 mi
X3 M40i
444 mi
484 mi
X4 M40i
Environmental Impact
172.4 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).
162.9 kWh
X3 M40i
172.4 kWh
162.9 kWh
X4 M40i
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
383 g/mi (WLTP)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
X3 M40i
X4 M40i
5
Doors
5
5
No. of Seats
5
1257 lb
Maximum Payload
1135 lb
15.6 cu ft
Trunk Volume
14.2 cu ft










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