The Comparative Analysis :
Rolls-Royce Phantom EWB 6.8 V12 Automatic (10 - 17) vs. Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09)
€ 492,500

€ 72,400

€ 492,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 72,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom EWB 6.8 V12 is substantially bigger in every dimension. It's 39.8 inches longer, 4.7 inches wider and 6.6 inches taller than the Mercedes S 320 CDI BlueEFFICIENCY.
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
64.6
78.3
86.2
58
73.7
83.5
78.3 in
Width
73.7 in
86.2 in
Width Incl. Mirrors
83.5 in
64.6 in
Height
58 in
150.4
239.8
119.5
200
239.8 in
Length
200 in
150.4 in
Wheelbase
119.5 in
Vehicle Weight
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
5886 lb
Curb Weight
4310 lb
6989 lb
Gross Vehicle
Weight
Weight
5622 lb

Weight Difference:
1576 lb
26.77 %

General
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
RR1
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
V12 gasoline engine (naturally aspirated engine)
Engine Type
V6 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 642
Engine Code
OM 642.930

4
Valves
4
12
Cylinders
6
6.7 L / 328 cu in
Displacement
3 L / 147 cu in
454 hp
at 5350 rpm
Power
232 hp
at 3600 rpm
Rolls-Royce Phantom EWB 6.8 V12
454 hp
232 hp
Mercedes S 320 CDI BlueEFFICIENCY
531 lb‑ft
at 3500 rpm
Max. Torque
398 lb‑ft
at 1600 rpm
Rolls-Royce Phantom EWB 6.8 V12
531 lb‑ft
398 lb‑ft
Mercedes S 320 CDI BlueEFFICIENCY
Performance
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
149 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
269 ft
0.000 sec

Rolls-Royce Phantom EWB 6.8 V12
62 mph
62
mph
mph
354 ft
0.000 sec

Mercedes S 320 CDI BlueEFFICIENCY
▶ REPLAY
12.96 lb/hp
Weight-to-Power Ratio
18.58 lb/hp
Rolls-Royce Phantom EWB 6.8 V12
12.96 lb/hp
18.58 lb/hp
Mercedes S 320 CDI BlueEFFICIENCY
Fuel Economy / Emissions
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
Fuel Economy
16 mpg
combined
31 mpg
Rolls-Royce Phantom EWB 6.8 V12
16 mpg
31 mpg
Mercedes S 320 CDI BlueEFFICIENCY
10 mpg
city
23 mpg
23 mpg
highway
40 mpg
26.4 gal
Fuel Tank Capacity
23.8 gal
417 mi
Range
736 mi
Rolls-Royce Phantom EWB 6.8 V12
417 mi
736 mi
Mercedes S 320 CDI BlueEFFICIENCY
Environmental Impact
282.3 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).
156.4 kWh
Rolls-Royce Phantom EWB 6.8 V12
282.3 kWh
156.4 kWh
Mercedes S 320 CDI BlueEFFICIENCY
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
558 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Phantom EWB 6.8 V12
Mercedes S 320 CDI BlueEFFICIENCY
4
Doors
4
5
No. of Seats
5
1102 lb
Maximum Payload
1312 lb
13 cu ft
Trunk Volume
15.9 cu ft











No data
Cargo Volume (Seats Down)
No data