The Comparative Analysis :
BMW X4 xDrive28i Steptronic (14 - 16) vs. BMW X4 M40i Steptronic (18 - ..)
€ 52,500
€ 71,500
€ 52,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 71,500
ⓘ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 X4 xDrive28i is 2.4 inches shorter, 2.2 inches narrower and 0.1 inches taller than the X4 M40i.
X4 xDrive28i
X4 M40i
63.9
74.1
82.6
63.8
76.3
84.2
74.1 in
Width
76.3 in
82.6 in
Width Incl. Mirrors
84.2 in
63.9 in
Height
63.8 in
110.6
183.9
112.8
186.3
183.9 in
Length
186.3 in
110.6 in
Wheelbase
112.8 in
Vehicle Weight
X4 xDrive28i
X4 M40i
4068 lb
Curb Weight
4189 lb
5203 lb
Gross Vehicle
Weight
Weight
5357 lb
Weight Difference:
121 lb
2.89 %
General
X4 xDrive28i
X4 M40i
F26
Generation
G02
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
X4 xDrive28i
X4 M40i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
BMW N20
Engine Series
BMW B58
N20-B20
Engine Code
B58-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
242 hp
at 5000 rpm
Power
349 hp
at 5500 rpm
X4 xDrive28i
242 hp
349 hp
X4 M40i
258 lb‑ft
at 1250 rpm
Max. Torque
369 lb‑ft
at 1550 rpm
X4 xDrive28i
258 lb‑ft
369 lb‑ft
X4 M40i
Performance
X4 xDrive28i
X4 M40i
144 mph
Maximum Speed
155 mph
6.4 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
292 ft
0.000 sec
X4 xDrive28i
62 mph
62
mph
mph
220 ft
0.000 sec
X4 M40i
▶ REPLAY
16.81 lb/hp
Weight-to-Power Ratio
12 lb/hp
X4 xDrive28i
16.81 lb/hp
12 lb/hp
X4 M40i
Fuel Economy / Emissions
X4 xDrive28i
X4 M40i
Fuel Economy
32 mpg
combined
26 mpg
X4 xDrive28i
32 mpg
26 mpg
X4 M40i
26 mpg
city
20 mpg
No data
highway
No data
17.7 gal
Fuel Tank Capacity
17.2 gal
570 mi
Range
449 mi
X4 xDrive28i
570 mi
449 mi
X4 M40i
Environmental Impact
138.2 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).
170.4 kWh
X4 xDrive28i
138.2 kWh
170.4 kWh
X4 M40i
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
272 g/mi (NEFZ)
CO2 Emissions
414 g/mi (WLTP)
Practical Convenience
X4 xDrive28i
X4 M40i
5
Doors
5
5
No. of Seats
5
1135 lb
Maximum Payload
1168 lb
14.2 cu ft
Trunk Volume
14.9 cu ft
39.6 cu ft
Cargo Volume (Seats Down)
40.5 cu ft
