The Comparative Analysis :

Rolls-Royce Phantom long 6.8 V12 Automatic (05 - 10) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

€ 486,700
Rolls-Royce Phantom long 6.8 V12 Automatic (05 - 10) Rolls-Royce Phantom long 6.8 V12
€ 98,900
 Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 486,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Rolls-Royce Phantom long 6.8 V12 is substantially bigger in every dimension. It's 34.4 inches longer, 4.7 inches wider and 6.3 inches taller than the Mercedes S 420 CDI long.
Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
64.3
Blueprint Rolls-Royce Phantom long 6.8 V12 Automatic (05 - 10)
78.3
86.2
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
78.3 in
Width
73.7 in
86.2 in
Width Incl. Mirrors
83.5 in
64.3 in
Height
58 in
Blueprint Rolls-Royce Phantom long 6.8 V12 Automatic (05 - 10)
150.4
239.5
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
239.5 in
Length
205.1 in
150.4 in
Wheelbase
124.6 in

Vehicle Weight

Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
5886 lb
Curb Weight
4718 lb
6989 lb
Gross Vehicle
Weight
5864 lb
Rolls-Royce Phantom long 6.8 V12 Automatic (05 - 10)
Weight Difference:
1168 lb
19.84 %
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

General

Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
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 long 6.8 V12
Mercedes S 420 CDI long
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 diesel engine with tur­bo­charger
Engine Series
Mercedes-Benz OM 629
Engine Code
OM 629.911
4
Valves
4
12
Cylinders
8
6.7 L / 328 cu in
Displacement
4 L / 196 cu in
454 hp
at 5350 rpm
Power
316 hp
at 3600 rpm
Rolls-Royce Phantom long 6.8 V12
454 hp
316 hp
Mercedes S 420 CDI long
531 lb‑ft
at 3500 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
Rolls-Royce Phantom long 6.8 V12
531 lb‑ft
538 lb‑ft
Mercedes S 420 CDI long

Performance

Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
149 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
6 sec
62 mph 62
mph

279 ft
0.000 sec

Rolls-Royce Phantom long 6.8 V12

62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI long

▶ REPLAY
12.96 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
Rolls-Royce Phantom long 6.8 V12
12.96 lb/hp
14.93 lb/hp
Mercedes S 420 CDI long

Fuel Economy / Emissions

Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
Fuel Economy
15 mpg
combined
25 mpg
Rolls-Royce Phantom long 6.8 V12
15 mpg
25 mpg
Mercedes S 420 CDI long
10 mpg
city
18 mpg
21 mpg
highway
33 mpg
Kraftstoffanzeige
26.4 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
393 mi
Range
595 mi
Rolls-Royce Phantom long 6.8 V12
393 mi
595 mi
Mercedes S 420 CDI long
Environmental Impact
299.3 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).
193.4 kWh
Rolls-Royce Phantom long 6.8 V12
299.3 kWh
193.4 kWh
Mercedes S 420 CDI long
Euro 4 III
Emission Standard
Euro 4 III
612 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Phantom long 6.8 V12
Mercedes S 420 CDI long
4
Doors
4
5
No. of Seats
5
1102 lb
Maximum Payload
1146 lb
13 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data