The Comparative Analysis :

BMW 125i Steptronic (16 - 17) vs. BMW M135i Steptronic Sport 5-door (15 - 16)

€ 36,300
BMW 125i Steptronic (16 - 17) 125i
€ 45,200
 BMW M135i Steptronic Sport 5-door (15 - 16) M135i
€ 36,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 45,200

ⓘ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 125i is 0.5 cm longer and 1 cm taller.
125i
M135i
1421
Blueprint BMW 125i Steptronic (16 - 17)
1765
1984
1411
Blueprint BMW M135i Steptronic Sport 5-door (15 - 16)
1765
1984
1765 mm
Width
1765 mm
1984 mm
Width Incl. Mirrors
1984 mm
1421 mm
Height
1411 mm
Blueprint BMW 125i Steptronic (16 - 17)
2690
4329
Blueprint BMW M135i Steptronic Sport 5-door (15 - 16)
2690
4324
4329 mm
Length
4324 mm
2690 mm
Wheelbase
2690 mm

Vehicle Weight

125i
M135i
1400 kg
Kerb Weight
1525 kg
1965 kg
Gross Vehicle
Weight
2015 kg
BMW 125i Steptronic (16 - 17)
Weight Difference:
125 kg
8.2 %
BMW M135i Steptronic Sport 5-door (15 - 16)

General

125i
M135i
F21
Generation
F20
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

125i
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
221 bhp
at 5200 rpm
Power
322 bhp
at 5800 rpm
125i
221 bhp
322 bhp
M135i
310 NM
at 1400 rpm
Max. Torque
450 NM
at 1300 rpm
125i
310 NM
450 NM
M135i

Performance

125i
M135i
151 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

85 m
0.000 sec

125i

62 mph 62
mph

68 m
0.000 sec

M135i

▶ REPLAY
6.33 kg/bhp
Weight-to-Power Ratio
4.74 kg/bhp
125i
6.33 kg/bhp
4.74 kg/bhp
M135i

Fuel Economy / Emissions

125i
M135i
Fuel Economy
50 mpg
combined
38 mpg
125i
50 mpg
38 mpg
M135i
39 mpg
city
27 mpg
No data
motorway
No data
Kraftstoffanzeige
52 L
Fuel Tank Capacity
52 L
Kraftstoffanzeige
567 mi
Range
431 mi
125i
567 mi
431 mi
M135i
Environmental Impact
108 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).
142.1 kWh
125i
108 kWh
142.1 kWh
M135i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
130 g/km (NEFZ)
CO2 Emissions
175 g/km (NEFZ)

Practical Convenience

125i
M135i
3
Doors
5
4
No. of Seats
5
565 kg
Maximum Payload
490 kg
360 L
Boot Capacity
360 L
1200 L
Boot Capacity (Seats Down)
1200 L