The Comparative Analysis :
Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13) vs. Rolls-Royce Phantom 6.8 V12 Automatic (18 - ..)
€ 71,900
€ 446,300
€ 71,900
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 250 CDI BlueEFFICIENCY 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 250 CDI BlueEFFICIENCY
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 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
4343 lb
Curb Weight
5644 lb
5622 lb
Gross Vehicle
Weight
Weight
6614 lb
Weight Difference:
1301 lb
23.05 %
General
Mercedes S 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
W221
Generation
RR11
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded

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

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
12-cylinder mild hybrid gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 651
Engine Series
OM 651.961
Engine Code

4
Valves
4
4
Cylinders
12
2.1 L / 103 cu in
Displacement
6.7 L / 328 cu in
201 hp
at 4200 rpm
Power
563 hp
at 5000 rpm
Mercedes S 250 CDI BlueEFFICIENCY
201 hp
563 hp
Rolls-Royce Phantom 6.8 V12
369 lb‑ft
at 1600 rpm
Max. Torque
664 lb‑ft
at 1700 rpm
Mercedes S 250 CDI BlueEFFICIENCY
369 lb‑ft
664 lb‑ft
Rolls-Royce Phantom 6.8 V12
Performance
Mercedes S 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
149 mph
Maximum Speed
155 mph
8.2 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
374 ft
0.000 sec
Mercedes S 250 CDI BlueEFFICIENCY
62 mph
62
mph
mph
243 ft
0.000 sec
Rolls-Royce Phantom 6.8 V12
▶ REPLAY
21.61 lb/hp
Weight-to-Power Ratio
10.02 lb/hp
Mercedes S 250 CDI BlueEFFICIENCY
21.61 lb/hp
10.02 lb/hp
Rolls-Royce Phantom 6.8 V12
Fuel Economy / Emissions
Mercedes S 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
Fuel Economy
41 mpg
combined
16 mpg
Mercedes S 250 CDI BlueEFFICIENCY
41 mpg
16 mpg
Rolls-Royce Phantom 6.8 V12
34 mpg
city
11 mpg
47 mpg
highway
24 mpg
21.9 gal
Fuel Tank Capacity
26.4 gal
905 mi
Range
431 mi
Mercedes S 250 CDI BlueEFFICIENCY
905 mi
431 mi
Rolls-Royce Phantom 6.8 V12
Environmental Impact
117.3 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).
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 250 CDI BlueEFFICIENCY
117.3 kWh
272.8 kWh
Rolls-Royce Phantom 6.8 V12
Euro 5
Emission Standard
Euro 6
240 g/mi (NEFZ)
CO2 Emissions
528 g/mi (NEFZ)
Practical Convenience
Mercedes S 250 CDI BlueEFFICIENCY
Rolls-Royce Phantom 6.8 V12
4
Doors
4
5
No. of Seats
5
1279 lb
Maximum Payload
970 lb
15.9 cu ft
Trunk Volume
15.5 cu ft











No data
Cargo Volume (Seats Down)
No data















