The Comparative Analysis :

BMW 123d Automatic (07 - 12) vs. BMW M135i xDrive Steptronic (19 - ..)

€ 34,200
BMW 123d Automatic (07 - 12) 123d
€ 48,900
 BMW M135i xDrive Steptronic (19 - ..) M135i
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,900

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

Vehicle Dimensions

The 123d is slightly smaller in every dimension. It's 8 cm shorter, 5.1 cm narrower and 1.3 cm lower than the M135i.
123d
M135i
1421
Blueprint BMW 123d Automatic (07 - 12)
1748
1934
1434
Blueprint BMW M135i xDrive Steptronic (19 - ..)
1799
2081
1748 mm
Width
1799 mm
1934 mm
Width Incl. Mirrors
2081 mm
1421 mm
Height
1434 mm
Blueprint BMW 123d Automatic (07 - 12)
2660
4239
Blueprint BMW M135i xDrive Steptronic (19 - ..)
2670
4319
4239 mm
Length
4319 mm
2660 mm
Wheelbase
2670 mm

Vehicle Weight

123d
M135i
1485 kg
Kerb Weight
1600 kg
1910 kg
Gross Vehicle
Weight
2085 kg
BMW 123d Automatic (07 - 12)
Weight Difference:
115 kg
7.19 %
BMW M135i xDrive Steptronic (19 - ..)

General

123d
M135i
E81
Generation
F40
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

123d
M135i
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
1998 CC
201 bhp
at 4400 rpm
Power
302 bhp
at 5000 rpm
123d
201 bhp
302 bhp
M135i
400 NM
at 2000 rpm
Max. Torque
450 NM
at 1750 rpm
123d
400 NM
450 NM
M135i

Performance

123d
M135i
147 mph
Maximum Speed
155 mph
7 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

97 m
0.000 sec

123d

62 mph 62
mph

67 m
0.000 sec

M135i

▶ REPLAY
7.39 kg/bhp
Weight-to-Power Ratio
5.3 kg/bhp
123d
7.39 kg/bhp
5.3 kg/bhp
M135i

Fuel Economy / Emissions

123d
M135i
Fuel Economy
51 mpg
combined
42 mpg
123d
51 mpg
42 mpg
M135i
41 mpg
city
34 mpg
No data
motorway
No data
Kraftstoffanzeige
51 L
Fuel Tank Capacity
50 L
Kraftstoffanzeige
576 mi
Range
457 mi
123d
576 mi
457 mi
M135i
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).
128.7 kWh
123d
113.1 kWh
128.7 kWh
M135i
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
145 g/km (NEFZ)
CO2 Emissions
179 g/km (WLTP)

Practical Convenience

123d
M135i
3
Doors
5
4
No. of Seats
5
425 kg
Maximum Payload
485 kg
330 L
Boot Capacity
380 L
1150 L
Boot Capacity (Seats Down)
1200 L