The Comparative Analysis :
BMW 120i Steptronic 5-door (15 - 16) vs. BMW M135i xDrive Steptronic Sport (15 - 16)
€ 30,700
€ 46,400
€ 30,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the 120i is 0.2 inches longer and 0.4 inches taller.
120i
M135i
55.9
69.5
78.1
55.6
69.5
78.1
69.5 in
Width
69.5 in
78.1 in
Width Incl. Mirrors
78.1 in
55.9 in
Height
55.6 in
105.9
170.4
105.9
170.2
170.4 in
Length
170.2 in
105.9 in
Wheelbase
105.9 in
Vehicle Weight
120i
M135i
3075 lb
Curb Weight
3505 lb
4156 lb
Gross Vehicle
Weight
Weight
4553 lb
Weight Difference:
430 lb
12.27 %
General
120i
M135i
F20
Generation
F21
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
120i
M135i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
6
1.6 L / 78 cu in
Displacement
3 L / 147 cu in
175 hp
at 4800 rpm
Power
322 hp
at 5800 rpm
120i
175 hp
322 hp
M135i
184 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
120i
184 lb‑ft
332 lb‑ft
M135i
Performance
120i
M135i
138 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
328 ft
0.000 sec
120i
62 mph
62
mph
mph
213 ft
0.000 sec
M135i
▶ REPLAY
17.57 lb/hp
Weight-to-Power Ratio
10.89 lb/hp
120i
17.57 lb/hp
10.89 lb/hp
M135i
Fuel Economy / Emissions
120i
M135i
Fuel Economy
42 mpg
combined
30 mpg
120i
42 mpg
30 mpg
M135i
33 mpg
city
22 mpg
No data
highway
No data
13.7 gal
Fuel Tank Capacity
13.7 gal
577 mi
Range
414 mi
120i
577 mi
414 mi
M135i
Environmental Impact
106.1 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).
147.7 kWh
120i
106.1 kWh
147.7 kWh
M135i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
208 g/mi (NEFZ)
CO2 Emissions
293 g/mi (NEFZ)
Practical Convenience
120i
M135i
5
Doors
3
5
No. of Seats
4
1080 lb
Maximum Payload
1047 lb
10.2 cu ft
Trunk Volume
10.2 cu ft
34 cu ft
Cargo Volume (Seats Down)
34 cu ft
