The Comparative Analysis :
BMW 120i Steptronic 5-door (17 - 19) vs. BMW M135i (15 - 16)
€ 34,000
€ 42,200
€ 34,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,200
ⓘ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 0.5 cm longer and 1 cm taller.
120i
M135i
1421
1765
1984
1411
1765
1984
1765 mm
Width
1765 mm
1984 mm
Width Incl. Mirrors
1984 mm
1421 mm
Height
1411 mm
2690
4329
2690
4324
4329 mm
Length
4324 mm
2690 mm
Wheelbase
2690 mm
Vehicle Weight
120i
M135i
1455 kg
Kerb Weight
1505 kg
1945 kg
Gross Vehicle
Weight
Weight
1995 kg
Weight Difference:
50 kg
3.32 %
General
120i
M135i
F20
Generation
F21
Hatchback
Car Body Style
Hatchback
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
120i
M135i
Straight-four petrol engine with turbocharger
Engine Type
Straight-six petrol engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
6
1998 CC
Engine Capacity
2979 CC
181 bhp
at 5000 rpm
Power
322 bhp
at 5800 rpm
120i
181 bhp
322 bhp
M135i
270 NM
at 1350 rpm
Max. Torque
450 NM
at 1300 rpm
120i
270 NM
450 NM
M135i
Performance
120i
M135i
140 mph
Maximum Speed
155 mph
7.1 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
99 m
0.000 sec
120i
62 mph
62
mph
mph
71 m
0.000 sec
M135i
▶ REPLAY
8.04 kg/bhp
Weight-to-Power Ratio
4.67 kg/bhp
120i
8.04 kg/bhp
4.67 kg/bhp
M135i
Fuel Economy / Emissions
120i
M135i
Fuel Economy
48 mpg
combined
35 mpg
120i
48 mpg
35 mpg
M135i
39 mpg
city
26 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
52 L
547 mi
Range
404 mi
120i
547 mi
404 mi
M135i
Environmental Impact
111.8 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).
151.6 kWh
120i
111.8 kWh
151.6 kWh
M135i
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
168 g/km (WLTP)
CO2 Emissions
188 g/km (NEFZ)
Practical Convenience
120i
M135i
5
Doors
3
5
No. of Seats
4
490 kg
Maximum Payload
490 kg
360 L
Boot Capacity
360 L








1200 L
Boot Capacity (Seats Down)
1200 L

















