The Comparative Analysis :
Rolls-Royce Ghost EWB 6.6 V12 Automatic (14 - ..) vs. Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13)
€ 324,900

€ 71,900

€ 324,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 71,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Ghost EWB 6.6 V12 is significantly bigger in every dimension. It's 18.6 inches longer, 3 inches wider and 2.6 inches taller than the Mercedes S 250 CDI BlueEFFICIENCY.
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
61
76.7
84.6
58.5
73.7
83.5
76.7 in
Width
73.7 in
84.6 in
Width Incl. Mirrors
83.5 in
61 in
Height
58.5 in
136.4
219.3
119.5
200.6
219.3 in
Length
200.6 in
136.4 in
Wheelbase
119.5 in
Vehicle Weight
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
5501 lb
Curb Weight
4343 lb
6482 lb
Gross Vehicle
Weight
Weight
5622 lb

Weight Difference:
1157 lb
21.03 %

General
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
RR4
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
V12 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz OM 651
Engine Code
OM 651.961

4
Valves
4
12
Cylinders
4
6.6 L / 323 cu in
Displacement
2.1 L / 103 cu in
562 hp
at 5250 rpm
Power
201 hp
at 4200 rpm
Rolls-Royce Ghost EWB 6.6 V12
562 hp
201 hp
Mercedes S 250 CDI BlueEFFICIENCY
605 lb‑ft
at 1500 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Rolls-Royce Ghost EWB 6.6 V12
605 lb‑ft
369 lb‑ft
Mercedes S 250 CDI BlueEFFICIENCY
Performance
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
155 mph
Maximum Speed
149 mph
5 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
226 ft
0.000 sec

Rolls-Royce Ghost EWB 6.6 V12
62 mph
62
mph
mph
374 ft
0.000 sec

Mercedes S 250 CDI BlueEFFICIENCY
▶ REPLAY
9.79 lb/hp
Weight-to-Power Ratio
21.61 lb/hp
Rolls-Royce Ghost EWB 6.6 V12
9.79 lb/hp
21.61 lb/hp
Mercedes S 250 CDI BlueEFFICIENCY
Fuel Economy / Emissions
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
Fuel Economy
15 mpg
combined
41 mpg
Rolls-Royce Ghost EWB 6.6 V12
15 mpg
41 mpg
Mercedes S 250 CDI BlueEFFICIENCY
10 mpg
city
34 mpg
19 mpg
highway
47 mpg
21.9 gal
Fuel Tank Capacity
21.9 gal
321 mi
Range
905 mi
Rolls-Royce Ghost EWB 6.6 V12
321 mi
905 mi
Mercedes S 250 CDI BlueEFFICIENCY
Environmental Impact
305 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).
117.3 kWh
Rolls-Royce Ghost EWB 6.6 V12
305 kWh
117.3 kWh
Mercedes S 250 CDI BlueEFFICIENCY
Euro 6
Emission Standard
Euro 5
589 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Ghost EWB 6.6 V12
Mercedes S 250 CDI BlueEFFICIENCY
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
1279 lb
13.9 cu ft
Trunk Volume
15.9 cu ft












No data
Cargo Volume (Seats Down)
No data