The Comparative Analysis :

BMW 123d Automatic 5-door (08 - 11) vs. BMW 125i Steptronic (12 - 15)

€ 34,900
BMW 123d Automatic 5-door (08 - 11) 123d
€ 34,300
BMW 125i Steptronic (12 - 15) 125i
€ 34,900
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 8.5 cm shorter and 1.7 cm narrower.
123d
125i
1421
Blueprint BMW 123d Automatic 5-door (08 - 11)
1748
1934
1421
Blueprint BMW 125i Steptronic (12 - 15)
1765
1984
1748 mm
Width
1765 mm
1934 mm
Width Incl. Mirrors
1984 mm
1421 mm
Height
1421 mm
Blueprint BMW 123d Automatic 5-door (08 - 11)
2660
4239
Blueprint BMW 125i Steptronic (12 - 15)
2690
4324
4239 mm
Length
4324 mm
2660 mm
Wheelbase
2690 mm

Vehicle Weight

123d
125i
1495 kg
Kerb Weight
1445 kg
1920 kg
Gross Vehicle
Weight
1900 kg
BMW 123d Automatic 5-door (08 - 11)
Weight Difference:
50 kg
3.34 %
BMW 125i Steptronic (12 - 15)

General

123d
125i
E87
Generation
F21
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
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 petrol engine with tur­bo­charger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
4
1995 CC
Engine Capacity
1997 CC
201 bhp
at 4400 rpm
Power
215 bhp
at 5000 rpm
123d
201 bhp
215 bhp
125i
400 NM
at 2000 rpm
Max. Torque
310 NM
at 1350 rpm
123d
400 NM
310 NM
125i

Performance

123d
125i
147 mph
Maximum Speed
151 mph
7.1 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph 62
mph

99 m
0.000 sec

123d

62 mph 62
mph

86 m
0.000 sec

125i

▶ REPLAY
7.44 kg/bhp
Weight-to-Power Ratio
6.72 kg/bhp
123d
7.44 kg/bhp
6.72 kg/bhp
125i

Fuel Economy / Emissions

123d
125i
Fuel Economy
51 mpg
combined
45 mpg
123d
51 mpg
45 mpg
125i
41 mpg
city
33 mpg
No data
motorway
No data
Kraftstoffanzeige
51 L
Fuel Tank Capacity
52 L
Kraftstoffanzeige
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).
119.4 kWh
123d
113.1 kWh
119.4 kWh
125i
Euro 5
Emission Standard
Euro 6b (NEFZ)
145 g/km (NEFZ)
CO2 Emissions
148 g/km (NEFZ)

Practical Convenience

123d
125i
5
Doors
3
5
No. of Seats
4
425 kg
Maximum Payload
455 kg
330 L
Boot Capacity
360 L
1150 L
Boot Capacity (Seats Down)
1200 L