The Comparative Analysis :
BMW 120i Automatic (04 - 07) vs. BMW 123d Automatic (07 - 12)
€ 27,300
€ 34,200
€ 27,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,200
ⓘ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. The 120i is just 0.5 inches shorter, 0.1 inches wider and 0.4 inches taller than the 123d.
120i
123d
56.3
68.9
76.1
55.9
68.8
76.1
68.9 in
Width
68.8 in
76.1 in
Width Incl. Mirrors
76.1 in
56.3 in
Height
55.9 in
104.7
166.4
104.7
166.9
166.4 in
Length
166.9 in
104.7 in
Wheelbase
104.7 in
Vehicle Weight
120i
123d
2976 lb
Curb Weight
3274 lb
3913 lb
Gross Vehicle
Weight
Weight
4211 lb
Weight Difference:
298 lb
9.1 %
General
120i
123d
E87
Generation
E81
Hatchback
Car Body Style
Hatchback
Mid-Grade Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
120i
123d
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
148 hp
at 6200 rpm
Power
201 hp
at 4400 rpm
120i
148 hp
201 hp
123d
148 lb‑ft
at 3600 rpm
Max. Torque
295 lb‑ft
at 2000 rpm
120i
148 lb‑ft
295 lb‑ft
123d
Performance
120i
123d
132 mph
Maximum Speed
147 mph
9.2 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
420 ft
0.000 sec
120i
62 mph
62
mph
mph
318 ft
0.000 sec
123d
▶ REPLAY
20.11 lb/hp
Weight-to-Power Ratio
16.29 lb/hp
120i
20.11 lb/hp
16.29 lb/hp
123d
Fuel Economy / Emissions
120i
123d
Fuel Economy
30 mpg
combined
43 mpg
120i
30 mpg
43 mpg
123d
21 mpg
city
34 mpg
No data
highway
No data
13.2 gal
Fuel Tank Capacity
13.5 gal
393 mi
Range
576 mi
120i
393 mi
576 mi
123d
Environmental Impact
149.7 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).
113.1 kWh
120i
149.7 kWh
113.1 kWh
123d
Euro 4
Emission Standard
Euro 5
306 g/mi (NEFZ)
CO2 Emissions
233 g/mi (NEFZ)
Practical Convenience
120i
123d
5
Doors
3
5
No. of Seats
4
937 lb
Maximum Payload
937 lb
9.3 cu ft
Trunk Volume
9.3 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
32.6 cu ft
