The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. Rolls-Royce Ghost 6.6 V12 Black Badge Automatic (16 - 18)
€ 91,100
€ 332,000
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 332,000
ⓘ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 37.7 cm shorter, 7.7 cm narrower and 7.7 cm lower than the Rolls-Royce Ghost 6.6 V12.
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
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
3295
5457
5080 mm
Length
5457 mm
3035 mm
Wheelbase
3295 mm
Vehicle Weight
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
2090 kg
Kerb Weight
2360 kg
2640 kg
Gross Vehicle
Weight
Weight
2940 kg
Weight Difference:
270 kg
11.44 %
General
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
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 6.6 V12
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
604 bhp
at 5250 rpm
Mercedes S 420 CDI
316 bhp
604 bhp
Rolls-Royce Ghost 6.6 V12
730 NM
at 2200 rpm
Max. Torque
840 NM
at 1650 rpm
Mercedes S 420 CDI
730 NM
840 NM
Rolls-Royce Ghost 6.6 V12
Performance
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
83 m
0.000 sec
Mercedes S 420 CDI
62 mph
62
mph
mph
67 m
0.000 sec
Rolls-Royce Ghost 6.6 V12
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
3.91 kg/bhp
Mercedes S 420 CDI
6.61 kg/bhp
3.91 kg/bhp
Rolls-Royce Ghost 6.6 V12
Fuel Economy / Emissions
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
Fuel Economy
30 mpg
combined
19 mpg
Mercedes S 420 CDI
30 mpg
19 mpg
Rolls-Royce Ghost 6.6 V12
22 mpg
city
13 mpg
39 mpg
motorway
28 mpg
90 L
Fuel Tank Capacity
83 L
595 mi
Range
353 mi
Mercedes S 420 CDI
595 mi
353 mi
Rolls-Royce Ghost 6.6 V12
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).
276.6 kWh
Mercedes S 420 CDI
193.4 kWh
276.6 kWh
Rolls-Royce Ghost 6.6 V12
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
247 g/km (NEFZ)
CO2 Emissions
333 g/km (NEFZ)
Practical Convenience
Mercedes S 420 CDI
Rolls-Royce Ghost 6.6 V12
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
580 kg
560 L
Boot Capacity
490 L












No data
Boot Capacity (Seats Down)
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