The Comparative Analysis :

BMW 125d Steptronic (15 - 16) vs. BMW 118i (15 - 17)

€ 36,700
BMW 125d Steptronic (15 - 16) 125d
€ 24,700
 BMW 118i (15 - 17) 118i
€ 36,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 24,700

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of the 125d and the 118i are absolutely identical. Both are 170.4 inches long, 69.5 inches wide and 55.9 inches tall.
125d
118i
55.9
Blueprint BMW 125d Steptronic (15 - 16)
69.5
78.1
55.9
Blueprint BMW 118i (15 - 17)
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
Blueprint BMW 125d Steptronic (15 - 16)
105.9
170.4
Blueprint BMW 118i (15 - 17)
105.9
170.4
170.4 in
Length
170.4 in
105.9 in
Wheelbase
105.9 in

Vehicle Weight

125d
118i
3307 lb
Curb Weight
3031 lb
4387 lb
Gross Vehicle
Weight
4112 lb
BMW 125d Steptronic (15 - 16)
Weight Difference:
276 lb
8.35 %
BMW 118i (15 - 17)

General

125d
118i
F21
Generation
F21
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

125d
118i
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-three gasoline engine with tur­bo­charger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
3
2 L / 98 cu in
Displacement
1.5 L / 73 cu in
221 hp
at 4400 rpm
Power
134 hp
at 4500 rpm
125d
221 hp
134 hp
118i
332 lb‑ft
at 1500 rpm
Max. Torque
162 lb‑ft
at 1250 rpm
125d
332 lb‑ft
162 lb‑ft
118i

Performance

125d
118i
149 mph
Maximum Speed
130 mph
6.3 sec
Acceleration 0 to 62 mph
8.5 sec
62 mph 62
mph

289 ft
0.000 sec

125d

62 mph 62
mph

387 ft
0.000 sec

118i

▶ REPLAY
14.96 lb/hp
Weight-to-Power Ratio
22.62 lb/hp
125d
14.96 lb/hp
22.62 lb/hp
118i

Fuel Economy / Emissions

125d
118i
Fuel Economy
55 mpg
combined
44 mpg
125d
55 mpg
44 mpg
118i
46 mpg
city
36 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
13.7 gal
Kraftstoffanzeige
751 mi
Range
610 mi
125d
751 mi
610 mi
118i
Environmental Impact
88.5 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).
100.4 kWh
125d
88.5 kWh
100.4 kWh
118i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
183 g/mi (NEFZ)
CO2 Emissions
198 g/mi (NEFZ)

Practical Convenience

125d
118i
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