The Comparative Analysis :
BMW 730Ld Steptronic (15 - 19) vs. Mercedes S 320 CDI BlueEFFICIENCY long 7G-TRONIC (08 - 09)
€ 93,800

€ 80,200

€ 93,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 80,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 730Ld is a little bigger in every dimension. It's 2.8 cm longer, 3.1 cm wider and 1.2 cm taller than the Mercedes S 320 CDI BlueEFFICIENCY long.
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
1485
1902
2169
1473
1871
2120
1902 mm
Width
1871 mm
2169 mm
Width Incl. Mirrors
2120 mm
1485 mm
Height
1473 mm
3210
5238
3165
5210
5238 mm
Length
5210 mm
3210 mm
Wheelbase
3165 mm
Vehicle Weight
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
1895 kg
Kerb Weight
2000 kg
2490 kg
Gross Vehicle
Weight
Weight
2580 kg

Weight Difference:
105 kg
5.25 %

General
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
G12
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
Straight-six diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
BMW B57
Engine Series
Mercedes-Benz OM 642
B57-D30
Engine Code
OM 642.930

4
Valves
4
6
Cylinders
6
2993 CC
Engine Capacity
2987 CC
261 bhp
at 4000 rpm
Power
232 bhp
at 3600 rpm
BMW 730Ld
261 bhp
232 bhp
Mercedes S 320 CDI BlueEFFICIENCY long
620 NM
at 2000 rpm
Max. Torque
540 NM
at 1600 rpm
BMW 730Ld
620 NM
540 NM
Mercedes S 320 CDI BlueEFFICIENCY long
Performance
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
155 mph
Maximum Speed
155 mph
6.2 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
86 m
0.000 sec

BMW 730Ld
62 mph
62
mph
mph
108 m
0.000 sec

Mercedes S 320 CDI BlueEFFICIENCY long
▶ REPLAY
7.26 kg/bhp
Weight-to-Power Ratio
8.62 kg/bhp
BMW 730Ld
7.26 kg/bhp
8.62 kg/bhp
Mercedes S 320 CDI BlueEFFICIENCY long
Fuel Economy / Emissions
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
Fuel Economy
52 mpg
combined
37 mpg
BMW 730Ld
52 mpg
37 mpg
Mercedes S 320 CDI BlueEFFICIENCY long
44 mpg
city
27 mpg
No data
motorway
47 mpg
78 L
Fuel Tank Capacity
90 L
897 mi
Range
726 mi
BMW 730Ld
897 mi
726 mi
Mercedes S 320 CDI BlueEFFICIENCY long
Environmental Impact
111 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).
158.4 kWh
BMW 730Ld
111 kWh
158.4 kWh
Mercedes S 320 CDI BlueEFFICIENCY long
Euro 6c (WLTP)
Emission Standard
Euro 4 III
164 g/km (WLTP)
CO2 Emissions
202 g/km (NEFZ)
Practical Convenience
BMW 730Ld
Mercedes S 320 CDI BlueEFFICIENCY long
4
Doors
4
5
No. of Seats
5
595 kg
Maximum Payload
580 kg
515 L
Boot Capacity
560 L











No data
Boot Capacity (Seats Down)
No data