Car comparison

Mercedes-Benz S-class (W221) · Facelift 2009 S 500 BlueEFFICIENCYvsRolls-Royce Phantom Extended Wheelbase VII · Facelift 2012 6.7 V12

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz S-class (W221) · Facelift 2009

S 500 BlueEFFICIENCY

435 hp4663 ccGasolineAWDAutomaticTwin-turboSedan2011-2013
VS

Rolls-Royce Phantom Extended Wheelbase VII · Facelift 2012

6.7 V12

460 hp6749 ccGasolineRWDAutomaticNaturally aspiratedSedan2012-2016

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    2,000 kg
    4,409 lb
  • Best power-to-weight
    218 hp/t
    162 kW/t
    4.6 kg/hp
  • Lowest combined fuel consumption
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Lowest city consumption
    13.8 L/100 km
    17.0 mpg US
    20.5 mpg UK
  • Lowest highway consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest CO2 emissions
    229 g/km
  • Best estimated range
    847 km
    526 mi
  • Largest trunk
    560 L
  • Best overall score
    79/100
  • Best performance score
    79/100
  • Best economy score
    81/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYRolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Power
435hp324kW
460hp343kW
Torque
700Nm516lb-ft
720Nm531lb-ft
Curb weight
2,000kg4,409lb
2,670kg5,886lb
Gross weight
2,685kg5,919lb
3,170kg6,989lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Calculated
To 99% top speed
48.3s99% target: 262 km/h / 163 mph
Calculated
68.8s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
5.0s
6.1s
0-200 km/h
14.8s
Calculated
20.8s
Calculated
0-60 mph
4.8s
Calculated
5.8s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
14.9L/100 km15.8mpg US19.0mpg UK
Fuel consumption city
13.8L/100 km17mpg US20.5mpg UK
23L/100 km10.2mpg US12.3mpg UK
Fuel consumption highway
7.6L/100 km30.9mpg US37.2mpg UK
10.2L/100 km23.1mpg US27.7mpg UK
Quarter mile
12.9s
Calculated
14.1s
Calculated
Power-to-weight
218hp/t162kW/t99hp/1000 lb
Calculated
172hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
350Nm/t234lb-ft/ton
Calculated
270Nm/t180lb-ft/ton
Calculated
Estimated range
847km526mi
Calculated
671km417mi
Calculated
Displacement
4,663cc285cu in
6,749cc412cu in
Length
5,096mm201in
6,092mm240in
Width
1,871mm74in
1,990mm78in
Height
1,479mm58in
1,640mm65in
Wheelbase
3,035mm119in
3,820mm150in
Front track
1,600mm63in
1,686mm66in
Rear track
1,606mm63in
1,676mm66in
Trunk volume
560L
460L
Doors
4
4
Seats
5
5
Fuel tank
83L
100L
CO2 emissions
229g/km
349g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCYRolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12PowerTorque
  • Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: Power / Torque
  • Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY5,250 rpm1,800-3,500 rpm5,500 rpm
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V125,350 rpm3,500 rpm5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYRolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.8 s
0-100 km/h
0-62 mph
5.0 s
6.1 s
0-200 km/h
0-124 mph
14.8 s
20.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
5.9 s
6.3 s
1/8 mile
201 m
8.6 s
9.3 s
1000 ft
305 m
11.0 s
12.0 s
1/4 mile
402 m
12.9 s
14.1 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
168 km/h
104 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
460 hp
343 kW

Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12 has 25 hp more than Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY.

The biggest power difference is between Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY and Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12: 25 hp (19 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
700 Nm
516 lb-ft
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
720 Nm
531 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
2,000 kg
4,409 lb
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
2,670 kg
5,886 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY5.0 s
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V126.1 s

Although Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12 has more power, Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY and Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12: 1.1 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY and Rolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12: 5.1 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
217 hp/t
162 kW/t
4.6 kg/hp
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
172 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
847 km
526 mi
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
671 km
417 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
460 hp
343 kW
6.1 s
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Power
460 hp
343 kW
0-100 km/h6.1 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Doors/seats
4 doors
5 seats
Trunk
460 L
16.2 cu ft
Length
6,092 mm
239.8 in
Height
1,640 mm
64.6 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Power
460 hp
343 kW
0-100 km/h6.1 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.0 s
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
6.1 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
218 hp/t
162 kW/t
4.6 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Rolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
172 hp/t
128 kW/t
5.8 kg/hp
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYRolls-RoycePhantom Extended Wheelbase VIIFacelift 20126.7 V12
Power
435 hp
324 kW
460 hp
343 kW
Torque
700 Nm
516 lb-ft
720 Nm
531 lb-ft
Acceleration
5.0 s
6.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Lightness
2,000 kg
4,409 lb
2,670 kg
5,886 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Doors/seats
4 doors
5 seats
Trunk
460 L
16.2 cu ft
Length
6,092 mm
239.8 in
Height
1,640 mm
64.6 in
Range score
847 km
526 mi
671 km
417 mi
CO2 score
229 g/km
349 g/km
Trunk score
560 L
19.8 cu ft
460 L
16.2 cu ft
Power-to-weight score
218 hp/t
162 kW/t
4.6 kg/hp
172 hp/t
128 kW/t
5.8 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCYRolls-Royce Phantom Extended Wheelbase VII Facelift 2012 6.7 V12
Consumption9.8 L/100 km24 mpg US28.8 mpg UK14.9 L/100 km15.8 mpg US19 mpg UK
Cost / 100 km17.15 LC100 km26.08 LC100 km
Cost / 100 mi27.60 LC100 mi41.96 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal2,235 L590 US gal492 UK gal
Annual fuel cost2,573 LC/year3,911 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Is 670 kg lighter
  • Is 1.1 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 5.1 L/100 km less fuel
  • Has 45 hp/t better power-to-weight
  • Has 176 km (109 mi) more estimated range
  • Has 100 L more trunk volume
  • Emits 120 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W221) S 500 BlueEFFICIENCY
Rolls-Royce Phantom Extended Wheelbase VII 6.7 V12
Compare selected cars
2 vehicles selected

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