The Comparative Analysis :

BMW M135i Steptronic (12 - 15) vs. BMW 120i Steptronic (15 - 16)

€ 42,100
BMW M135i Steptronic (12 - 15) M135i
€ 29,900
 BMW 120i Steptronic (15 - 16) 120i
€ 42,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 29,900

ⓘ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 M135i is 0.5 cm shorter and 1 cm lower.
M135i
120i
1411
Blueprint BMW M135i Steptronic (12 - 15)
1765
1984
1421
Blueprint BMW 120i Steptronic (15 - 16)
1765
1984
1765 mm
Width
1765 mm
1984 mm
Width Incl. Mirrors
1984 mm
1411 mm
Height
1421 mm
Blueprint BMW M135i Steptronic (12 - 15)
2690
4324
Blueprint BMW 120i Steptronic (15 - 16)
2690
4329
4324 mm
Length
4329 mm
2690 mm
Wheelbase
2690 mm

Vehicle Weight

M135i
120i
1515 kg
Kerb Weight
1390 kg
1970 kg
Gross Vehicle
Weight
1880 kg
BMW M135i Steptronic (12 - 15)
Weight Difference:
125 kg
8.25 %
BMW 120i Steptronic (15 - 16)

General

M135i
120i
F21
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
8-speed automatic transmission

Engine

M135i
120i
Straight-six petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW
Engine Series
BMW
4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1598 CC
316 bhp
at 5800 rpm
Power
175 bhp
at 4800 rpm
M135i
316 bhp
175 bhp
120i
450 NM
at 1300 rpm
Max. Torque
250 NM
at 1500 rpm
M135i
450 NM
250 NM
120i

Performance

M135i
120i
155 mph
Maximum Speed
138 mph
4.9 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph 62
mph

68 m
0.000 sec

M135i

62 mph 62
mph

100 m
0.000 sec

120i

▶ REPLAY
4.79 kg/bhp
Weight-to-Power Ratio
7.94 kg/bhp
M135i
4.79 kg/bhp
7.94 kg/bhp
120i

Fuel Economy / Emissions

M135i
120i
Fuel Economy
38 mpg
combined
50 mpg
M135i
38 mpg
50 mpg
120i
27 mpg
city
40 mpg
No data
motorway
No data
Kraftstoffanzeige
52 L
Fuel Tank Capacity
52 L
Kraftstoffanzeige
431 mi
Range
577 mi
M135i
431 mi
577 mi
120i
Environmental Impact
142.1 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).
106.1 kWh
M135i
142.1 kWh
106.1 kWh
120i
Euro 5
Emission Standard
Euro 6b (NEFZ)
175 g/km (NEFZ)
CO2 Emissions
129 g/km (NEFZ)

Practical Convenience

M135i
120i
3
Doors
3
4
No. of Seats
4
455 kg
Maximum Payload
490 kg
360 L
Boot Capacity
360 L
1200 L
Boot Capacity (Seats Down)
1200 L