The Comparative Analysis :
Rolls-Royce Phantom 6.8 V12 Automatic (03 - 10) vs. Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10)
€ 411,400

€ 89,100

€ 411,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,100
ⓘ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 substantially bigger in every dimension. It's 29.1 inches longer, 4.7 inches wider and 5.8 inches taller than the Mercedes S 450.
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
64.3
78.3
86.2
58.5
73.7
83.5
78.3 in
Width
73.7 in
86.2 in
Width Incl. Mirrors
83.5 in
64.3 in
Height
58.5 in
140.6
229.7
119.5
200.6
229.7 in
Length
200.6 in
140.6 in
Wheelbase
119.5 in
Vehicle Weight
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
5622 lb
Curb Weight
4475 lb
6724 lb
Gross Vehicle
Weight
Weight
5820 lb

Weight Difference:
1146 lb
20.38 %

General
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
RR1
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
V12 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 273
Engine Code
M 273.924

4
Valves
4
12
Cylinders
8
6.7 L / 328 cu in
Displacement
4.7 L / 230 cu in
454 hp
at 5350 rpm
Power
335 hp
at 6000 rpm
Rolls-Royce Phantom 6.8 V12
454 hp
335 hp
Mercedes S 450
531 lb‑ft
at 3500 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Rolls-Royce Phantom 6.8 V12
531 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
149 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
269 ft
0.000 sec

Rolls-Royce Phantom 6.8 V12
62 mph
62
mph
mph
269 ft
0.000 sec

Mercedes S 450
▶ REPLAY
12.38 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Rolls-Royce Phantom 6.8 V12
12.38 lb/hp
13.36 lb/hp
Mercedes S 450
Fuel Economy / Emissions
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
Fuel Economy
15 mpg
combined
21 mpg
Rolls-Royce Phantom 6.8 V12
15 mpg
21 mpg
Mercedes S 450
10 mpg
city
14 mpg
21 mpg
highway
30 mpg
26.4 gal
Fuel Tank Capacity
23.8 gal
396 mi
Range
508 mi
Rolls-Royce Phantom 6.8 V12
396 mi
508 mi
Mercedes S 450
Environmental Impact
297.4 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).
208.4 kWh
Rolls-Royce Phantom 6.8 V12
297.4 kWh
208.4 kWh
Mercedes S 450
Euro 4 III
Emission Standard
Euro 5
607 g/mi (NEFZ)
CO2 Emissions
412 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Phantom 6.8 V12
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1102 lb
Maximum Payload
1345 lb
13 cu ft
Trunk Volume
15.9 cu ft











No data
Cargo Volume (Seats Down)
No data