The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. Rolls-Royce Ghost EWB V-Specification Automatic (14 - 14)
€ 91,100

€ 323,200

€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 323,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 420 CDI is significantly smaller in every dimension. It's 48.9 cm shorter, 7.7 cm narrower and 7.7 cm lower than the Rolls-Royce Ghost EWB V-Specification.
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
1473
1871
2120
1550
1948
2148
1871 mm
Width
1948 mm
2120 mm
Width Incl. Mirrors
2148 mm
1473 mm
Height
1550 mm
3035
5080
3465
5569
5080 mm
Length
5569 mm
3035 mm
Wheelbase
3465 mm
Vehicle Weight
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
2090 kg
Kerb Weight
2495 kg
2640 kg
Gross Vehicle
Weight
Weight
2940 kg

Weight Difference:
405 kg
16.23 %

General
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
W221
Generation
RR4
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
V8 diesel engine with turbocharger
Engine Type
V12 petrol engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code

4
Valves
4
8
Cylinders
12
3996 CC
Engine Capacity
6592 CC
316 bhp
at 3600 rpm
Power
593 bhp
at 5250 rpm
Mercedes S 420 CDI
316 bhp
593 bhp
Rolls-Royce Ghost EWB V-Specification
730 NM
at 2200 rpm
Max. Torque
780 NM
at 1500 rpm
Mercedes S 420 CDI
730 NM
780 NM
Rolls-Royce Ghost EWB V-Specification
Performance
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
83 m
0.000 sec

Mercedes S 420 CDI
62 mph
62
mph
mph
69 m
0.000 sec

Rolls-Royce Ghost EWB V-Specification
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
4.21 kg/bhp
Mercedes S 420 CDI
6.61 kg/bhp
4.21 kg/bhp
Rolls-Royce Ghost EWB V-Specification
Fuel Economy / Emissions
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
Fuel Economy
30 mpg
combined
20 mpg
Mercedes S 420 CDI
30 mpg
20 mpg
Rolls-Royce Ghost EWB V-Specification
22 mpg
city
13 mpg
39 mpg
motorway
29 mpg
90 L
Fuel Tank Capacity
83 L
595 mi
Range
366 mi
Mercedes S 420 CDI
595 mi
366 mi
Rolls-Royce Ghost EWB V-Specification
Environmental Impact
193.4 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).
267.2 kWh
Mercedes S 420 CDI
193.4 kWh
267.2 kWh
Rolls-Royce Ghost EWB V-Specification
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
247 g/km (NEFZ)
CO2 Emissions
329 g/km (NEFZ)
Practical Convenience
Mercedes S 420 CDI
Rolls-Royce Ghost EWB V-Specification
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
445 kg
560 L
Boot Capacity
490 L












No data
Boot Capacity (Seats Down)
No data