The Comparative Analysis :
BMW 120i Steptronic (15 - 16) vs. BMW 125i (15 - 16)
€ 29,900
€ 31,500
€ 29,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 120i and the 125i are absolutely identical. Both are 170.4 inches long, 69.5 inches wide and 55.9 inches tall.
120i
125i
55.9
69.5
78.1
55.9
69.5
78.1
69.5 in
Width
69.5 in
78.1 in
Width Incl. Mirrors
78.1 in
55.9 in
Height
55.9 in
105.9
170.4
105.9
170.4
170.4 in
Length
170.4 in
105.9 in
Wheelbase
105.9 in
Vehicle Weight
120i
125i
3064 lb
Curb Weight
3142 lb
4145 lb
Gross Vehicle
Weight
Weight
4222 lb
Weight Difference:
77 lb
2.45 %
General
120i
125i
F21
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
6-speed manual transmission
Engine
120i
125i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
4
1.6 L / 78 cu in
Displacement
2 L / 98 cu in
175 hp
at 4800 rpm
Power
215 hp
at 5000 rpm
120i
175 hp
215 hp
125i
184 lb‑ft
at 1500 rpm
Max. Torque
229 lb‑ft
at 1350 rpm
120i
184 lb‑ft
229 lb‑ft
125i
Performance
120i
125i
138 mph
Maximum Speed
152 mph
7.2 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph
62
mph
mph
328 ft
0.000 sec
120i
62 mph
62
mph
mph
292 ft
0.000 sec
125i
▶ REPLAY
17.51 lb/hp
Weight-to-Power Ratio
14.61 lb/hp
120i
17.51 lb/hp
14.61 lb/hp
125i
Fuel Economy / Emissions
120i
125i
Fuel Economy
42 mpg
combined
36 mpg
120i
42 mpg
36 mpg
125i
33 mpg
city
27 mpg
No data
highway
No data
13.7 gal
Fuel Tank Capacity
13.7 gal
577 mi
Range
490 mi
120i
577 mi
490 mi
125i
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).
125 kWh
120i
106.1 kWh
125 kWh
125i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
208 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
120i
125i
3
Doors
3
4
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




















