The Comparative Analysis :
Mercedes S 450 CDI long 7G-TRONIC (09 - 10) vs. BMW 740Ld xDrive Steptronic (15 - 19)
€ 101,000
€ 105,600
€ 101,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,600
ⓘ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. Both cars are the same height, but the Mercedes S 450 CDI long is 1.2 cm shorter and 3.1 cm narrower.
Mercedes S 450 CDI long
BMW 740Ld
1485
1871
2120
1485
1902
2169
1871 mm
Width
1902 mm
2120 mm
Width Incl. Mirrors
2169 mm
1485 mm
Height
1485 mm
3165
5226
3210
5238
5226 mm
Length
5238 mm
3165 mm
Wheelbase
3210 mm
Vehicle Weight
Mercedes S 450 CDI long
BMW 740Ld
2150 kg
Kerb Weight
1990 kg
2700 kg
Gross Vehicle
Weight
Weight
2570 kg
Weight Difference:
160 kg
7.44 %
General
Mercedes S 450 CDI long
BMW 740Ld
W221
Generation
G12
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI long
BMW 740Ld
V8 diesel engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
BMW B57
OM 629.911
Engine Code
B57-D30

4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2993 CC
316 bhp
at 3600 rpm
Power
316 bhp
at 4400 rpm
Mercedes S 450 CDI long
316 bhp
316 bhp
BMW 740Ld
730 NM
at 2200 rpm
Max. Torque
680 NM
at 1750 rpm
Mercedes S 450 CDI long
730 NM
680 NM
BMW 740Ld
Performance
Mercedes S 450 CDI long
BMW 740Ld
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
92 m
0.000 sec
Mercedes S 450 CDI long
62 mph
62
mph
mph
74 m
0.000 sec
BMW 740Ld
▶ REPLAY
6.8 kg/bhp
Weight-to-Power Ratio
6.3 kg/bhp
Mercedes S 450 CDI long
6.8 kg/bhp
6.3 kg/bhp
BMW 740Ld
Fuel Economy / Emissions
Mercedes S 450 CDI long
BMW 740Ld
Fuel Economy
31 mpg
combined
47 mpg
Mercedes S 450 CDI long
31 mpg
47 mpg
BMW 740Ld
22 mpg
city
37 mpg
41 mpg
motorway
No data
90 L
Fuel Tank Capacity
78 L
615 mi
Range
808 mi
Mercedes S 450 CDI long
615 mi
808 mi
BMW 740Ld
Environmental Impact
187.2 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).
123.4 kWh
Mercedes S 450 CDI long
187.2 kWh
123.4 kWh
BMW 740Ld
Euro 4 III
Emission Standard
Euro 6c (WLTP)
240 g/km (NEFZ)
CO2 Emissions
178 g/km (WLTP)
Practical Convenience
Mercedes S 450 CDI long
BMW 740Ld
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
580 kg
560 L
Boot Capacity
515 L











No data
Boot Capacity (Seats Down)
No data


















