The Comparative Analysis :
Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09) vs. BMW 730d Steptronic (15 - 19)
€ 72,400

€ 88,300

€ 72,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 320 CDI BlueEFFICIENCY is a little smaller in every dimension. It's 0.7 inches shorter, 1.2 inches narrower and 0.2 inches lower than the BMW 730d.
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
58
73.7
83.5
58.2
74.9
85.4
73.7 in
Width
74.9 in
83.5 in
Width Incl. Mirrors
85.4 in
58 in
Height
58.2 in
119.5
200
120.9
200.7
200 in
Length
200.7 in
119.5 in
Wheelbase
120.9 in
Vehicle Weight
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
4310 lb
Curb Weight
4068 lb
5622 lb
Gross Vehicle
Weight
Weight
5401 lb

Weight Difference:
243 lb
5.64 %

General
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
W221
Generation
G11
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
232 hp
at 3600 rpm
Power
261 hp
at 4000 rpm
Mercedes S 320 CDI BlueEFFICIENCY
232 hp
261 hp
BMW 730d
398 lb‑ft
at 1600 rpm
Max. Torque
457 lb‑ft
at 2000 rpm
Mercedes S 320 CDI BlueEFFICIENCY
398 lb‑ft
457 lb‑ft
BMW 730d
Performance
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
155 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
354 ft
0.000 sec

Mercedes S 320 CDI BlueEFFICIENCY
62 mph
62
mph
mph
279 ft
0.000 sec

BMW 730d
▶ REPLAY
18.58 lb/hp
Weight-to-Power Ratio
15.59 lb/hp
Mercedes S 320 CDI BlueEFFICIENCY
18.58 lb/hp
15.59 lb/hp
BMW 730d
Fuel Economy / Emissions
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
Fuel Economy
31 mpg
combined
44 mpg
Mercedes S 320 CDI BlueEFFICIENCY
31 mpg
44 mpg
BMW 730d
23 mpg
city
38 mpg
40 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
20.6 gal
736 mi
Range
915 mi
Mercedes S 320 CDI BlueEFFICIENCY
736 mi
915 mi
BMW 730d
Environmental Impact
156.4 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).
109.1 kWh
Mercedes S 320 CDI BlueEFFICIENCY
156.4 kWh
109.1 kWh
BMW 730d
Euro 4 III
Emission Standard
Euro 6c (WLTP)
320 g/mi (NEFZ)
CO2 Emissions
262 g/mi (WLTP)
Practical Convenience
Mercedes S 320 CDI BlueEFFICIENCY
BMW 730d
4
Doors
4
5
No. of Seats
5
1312 lb
Maximum Payload
1334 lb
15.9 cu ft
Trunk Volume
14.6 cu ft











No data
Cargo Volume (Seats Down)
No data