The Comparative Analysis :
BMW 123d Automatic (07 - 12) vs. BMW 120i Steptronic 5-door (16 - 17)
€ 34,200
€ 32,600
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 32,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. Both cars are the same height, but the 123d is 3.5 inches shorter and 0.7 inches narrower.
123d
120i
55.9
68.8
76.1
55.9
69.5
78.1
68.8 in
Width
69.5 in
76.1 in
Width Incl. Mirrors
78.1 in
55.9 in
Height
55.9 in
104.7
166.9
105.9
170.4
166.9 in
Length
170.4 in
104.7 in
Wheelbase
105.9 in
Vehicle Weight
123d
120i
3274 lb
Curb Weight
3208 lb
4211 lb
Gross Vehicle
Weight
Weight
4277 lb
Weight Difference:
66 lb
2.02 %
General
123d
120i
E81
Generation
F20
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
123d
120i
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
201 hp
at 4400 rpm
Power
181 hp
at 5000 rpm
123d
201 hp
181 hp
120i
295 lb‑ft
at 2000 rpm
Max. Torque
214 lb‑ft
at 1350 rpm
123d
295 lb‑ft
214 lb‑ft
120i
Performance
123d
120i
147 mph
Maximum Speed
140 mph
7 sec
Acceleration 0 to 62 mph
7.1 sec
62 mph
62
mph
mph
318 ft
0.000 sec
123d
62 mph
62
mph
mph
325 ft
0.000 sec
120i
▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
17.72 lb/hp
123d
16.29 lb/hp
17.72 lb/hp
120i
Fuel Economy / Emissions
123d
120i
Fuel Economy
43 mpg
combined
43 mpg
123d
43 mpg
43 mpg
120i
34 mpg
city
34 mpg
No data
highway
No data
13.5 gal
Fuel Tank Capacity
13.7 gal
576 mi
Range
587 mi
123d
576 mi
587 mi
120i
Environmental Impact
113.1 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).
104.1 kWh
123d
113.1 kWh
104.1 kWh
120i
Euro 5
Emission Standard
Euro 6b (NEFZ)
233 g/mi (NEFZ)
CO2 Emissions
203 g/mi (NEFZ)
Practical Convenience
123d
120i
3
Doors
5
4
No. of Seats
5
937 lb
Maximum Payload
1069 lb
9.3 cu ft
Trunk Volume
10.2 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
34 cu ft
