The Comparative Analysis :
BMW 123d Automatic (07 - 12) vs. BMW 125i Steptronic (12 - 15)
€ 34,200
€ 34,300
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,300
ⓘ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 3.3 inches shorter and 0.7 inches narrower.
123d
125i
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
170.2
166.9 in
Length
170.2 in
104.7 in
Wheelbase
105.9 in
Vehicle Weight
123d
125i
3274 lb
Curb Weight
3186 lb
4211 lb
Gross Vehicle
Weight
Weight
4189 lb
Weight Difference:
88 lb
2.69 %
General
123d
125i
E81
Generation
F21
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
125i
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
215 hp
at 5000 rpm
123d
201 hp
215 hp
125i
295 lb‑ft
at 2000 rpm
Max. Torque
229 lb‑ft
at 1350 rpm
123d
295 lb‑ft
229 lb‑ft
125i
Performance
123d
125i
147 mph
Maximum Speed
151 mph
7 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
318 ft
0.000 sec
123d
62 mph
62
mph
mph
282 ft
0.000 sec
125i
▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
14.82 lb/hp
123d
16.29 lb/hp
14.82 lb/hp
125i
Fuel Economy / Emissions
123d
125i
Fuel Economy
43 mpg
combined
37 mpg
123d
43 mpg
37 mpg
125i
34 mpg
city
28 mpg
No data
highway
No data
13.5 gal
Fuel Tank Capacity
13.7 gal
576 mi
Range
513 mi
123d
576 mi
513 mi
125i
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).
119.4 kWh
123d
113.1 kWh
119.4 kWh
125i
Euro 5
Emission Standard
Euro 6b (NEFZ)
233 g/mi (NEFZ)
CO2 Emissions
238 g/mi (NEFZ)
Practical Convenience
123d
125i
3
Doors
3
4
No. of Seats
4
937 lb
Maximum Payload
1003 lb
9.3 cu ft
Trunk Volume
10.2 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
34 cu ft
