The Comparative Analysis :

BMW M135i Steptronic Sport 5-door (15 - 16) vs. BMW 120i Steptronic (15 - 16)

€ 45,200
BMW M135i Steptronic Sport 5-door (15 - 16) M135i
€ 29,900
BMW 120i Steptronic (15 - 16) 120i
€ 45,200
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 0.2 inches shorter and 0.4 inches lower.
M135i
120i
55.6
Blueprint BMW M135i Steptronic Sport 5-door (15 - 16)
69.5
78.1
55.9
Blueprint BMW 120i Steptronic (15 - 16)
69.5
78.1
69.5 in
Width
69.5 in
78.1 in
Width Incl. Mirrors
78.1 in
55.6 in
Height
55.9 in
Blueprint BMW M135i Steptronic Sport 5-door (15 - 16)
105.9
170.2
Blueprint BMW 120i Steptronic (15 - 16)
105.9
170.4
170.2 in
Length
170.4 in
105.9 in
Wheelbase
105.9 in

Vehicle Weight

M135i
120i
3362 lb
Curb Weight
3064 lb
4442 lb
Gross Vehicle
Weight
4145 lb
BMW M135i Steptronic Sport 5-door (15 - 16)
Weight Difference:
298 lb
8.86 %
BMW 120i Steptronic (15 - 16)

General

M135i
120i
F20
Generation
F21
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

M135i
120i
Straight-six gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW
Engine Series
BMW
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
1.6 L / 78 cu in
322 hp
at 5800 rpm
Power
175 hp
at 4800 rpm
M135i
322 hp
175 hp
120i
332 lb‑ft
at 1300 rpm
Max. Torque
184 lb‑ft
at 1500 rpm
M135i
332 lb‑ft
184 lb‑ft
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

223 ft
0.000 sec

M135i

62 mph 62
mph

328 ft
0.000 sec

120i

 REPLAY
10.44 lb/hp
Weight-to-Power Ratio
17.51 lb/hp
M135i
10.44 lb/hp
17.51 lb/hp
120i

Fuel Economy / Emissions

M135i
120i
Fuel Economy
31 mpg
combined
42 mpg
M135i
31 mpg
42 mpg
120i
23 mpg
city
33 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
13.7 gal
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 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
282 g/mi (NEFZ)
CO2 Emissions
208 g/mi (NEFZ)

Practical Convenience

M135i
120i
5
Doors
3
5
No. of Seats
4
1080 lb
Maximum Payload
1080 lb
10.2 cu ft
Trunk Volume
10.2 cu ft
34 cu ft
Cargo Volume (Seats Down)
34 cu ft