The Comparative Analysis :
Mercedes S 450 CDI 7G-TRONIC (09 - 10) vs. Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)
€ 92,700
![Mercedes S 450 CDI 7G-TRONIC (09 - 10)](graphbase/cars/cars_big_png/Mercedes_S_W221-09.png)
€ 446,300
![Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)](graphbase/cars/cars_big/Rolls-Royce_Phantom_RR11.webp)
€ 92,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 446,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 450 CDI is substantially smaller in every dimension. It's 26.2 inches shorter, 5.8 inches narrower and 6.3 inches lower than the Rolls-Royce Phantom 6.8 V12.
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
58.5
73.7
83.5
64.8
79.4
87.3
73.7 in
Width
79.4 in
83.5 in
Width Incl. Mirrors
87.3 in
58.5 in
Height
64.8 in
119.5
200.6
139.8
226.9
200.6 in
Length
226.9 in
119.5 in
Wheelbase
139.8 in
Vehicle Weight
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
4608 lb
Curb Weight
5644 lb
5930 lb
Gross Vehicle
Weight
Weight
6614 lb
![Mercedes S 450 CDI 7G-TRONIC (09 - 10)](graphbase/cars/cars_big_png/Mercedes_S_W221-09.png)
Weight Difference:
1036 lb
18.36 %
![Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)](graphbase/cars/cars_big_png/Rolls-Royce_Phantom_RR11.png)
General
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
W221
Generation
RR11
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
![](graphbase/drivetrain/AWD.png)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
V8 diesel engine with turbocharger
Engine Type
12-cylinder mild hybrid gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
![](graphbase/engines/Mercedes-Benz_OM_629.png)
4
Valves
4
8
Cylinders
12
4 L / 196 cu in
Displacement
6.7 L / 328 cu in
316 hp
at 3600 rpm
Power
563 hp
at 5000 rpm
Mercedes S 450 CDI
316 hp
563 hp
Rolls-Royce Phantom 6.8 V12
538 lb‑ft
at 2200 rpm
Max. Torque
664 lb‑ft
at 1700 rpm
Mercedes S 450 CDI
538 lb‑ft
664 lb‑ft
Rolls-Royce Phantom 6.8 V12
Performance
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
302 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_S_W221-09.png)
Mercedes S 450 CDI
62 mph
62
mph
mph
243 ft
0.000 sec
![](graphbase/cars/cars_small_png/Rolls-Royce_Phantom_RR11.png)
Rolls-Royce Phantom 6.8 V12
▶ REPLAY
14.58 lb/hp
Weight-to-Power Ratio
10.02 lb/hp
Mercedes S 450 CDI
14.58 lb/hp
10.02 lb/hp
Rolls-Royce Phantom 6.8 V12
Fuel Economy / Emissions
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
Fuel Economy
26 mpg
combined
16 mpg
Mercedes S 450 CDI
26 mpg
16 mpg
Rolls-Royce Phantom 6.8 V12
18 mpg
city
11 mpg
34 mpg
highway
24 mpg
23.8 gal
Fuel Tank Capacity
26.4 gal
615 mi
Range
431 mi
Mercedes S 450 CDI
615 mi
431 mi
Rolls-Royce Phantom 6.8 V12
Environmental Impact
187.2 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).
272.8 kWh
Mercedes S 450 CDI
187.2 kWh
272.8 kWh
Rolls-Royce Phantom 6.8 V12
Euro 4 III
Emission Standard
Euro 6
386 g/mi (NEFZ)
CO2 Emissions
528 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 CDI
Rolls-Royce Phantom 6.8 V12
4
Doors
4
5
No. of Seats
5
1323 lb
Maximum Payload
970 lb
15.9 cu ft
Trunk Volume
15.5 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data