The Comparative Analysis :

Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

€ 446,300
Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..) Rolls-Royce Phantom 6.8 V12
€ 98,900
 Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 446,300
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 6.8 V12 is significantly bigger in every dimension. It's 21.7 inches longer, 5.8 inches wider and 6.8 inches taller than the Mercedes S 420 CDI long.
Rolls-Royce Phantom 6.8 V12
Mercedes S 420 CDI long
64.8
Blueprint Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)
79.4
87.3
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
79.4 in
Width
73.7 in
87.3 in
Width Incl. Mirrors
83.5 in
64.8 in
Height
58 in
Blueprint Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)
139.8
226.9
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
226.9 in
Length
205.1 in
139.8 in
Wheelbase
124.6 in

Vehicle Weight

Rolls-Royce Phantom 6.8 V12
Mercedes S 420 CDI long
5644 lb
Curb Weight
4718 lb
6614 lb
Gross Vehicle
Weight
5864 lb
Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)
Weight Difference:
926 lb
16.41 %
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

General

Rolls-Royce Phantom 6.8 V12
Mercedes S 420 CDI long
RR11
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

Rolls-Royce Phantom 6.8 V12
Mercedes S 420 CDI long
12-cylinder mild hybrid gasoline engine with two tur­bo­chargers (bi­turbo)
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
563 hp
at 5000 rpm
Power
316 hp
at 3600 rpm
Rolls-Royce Phantom 6.8 V12
563 hp
316 hp
Mercedes S 420 CDI long
664 lb‑ft
at 1700 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
Rolls-Royce Phantom 6.8 V12
664 lb‑ft
538 lb‑ft
Mercedes S 420 CDI long

Performance

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

243 ft
0.000 sec

Rolls-Royce Phantom 6.8 V12

62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI long

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

Fuel Economy / Emissions

Rolls-Royce Phantom 6.8 V12
Mercedes S 420 CDI long
Fuel Economy
16 mpg
combined
25 mpg
Rolls-Royce Phantom 6.8 V12
16 mpg
25 mpg
Mercedes S 420 CDI long
11 mpg
city
18 mpg
24 mpg
highway
33 mpg
Kraftstoffanzeige
26.4 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
431 mi
Range
595 mi
Rolls-Royce Phantom 6.8 V12
431 mi
595 mi
Mercedes S 420 CDI long
Environmental Impact
272.8 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 6.8 V12
272.8 kWh
193.4 kWh
Mercedes S 420 CDI long
Euro 6
Emission Standard
Euro 4 III
528 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

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