Car comparison

Mercedes-Benz S-class Cabriolet (A217) · Facelift 2017 S 560vsRolls-Royce Phantom Drophead Coupe · 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 Cabriolet (A217) · Facelift 2017

S 560

469 hp3982 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2017-2020

Rolls-Royce Phantom Drophead Coupe · Facelift 2012

6.7 V12

460 hp6749 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2012-2016

Comparison overview

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

Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560

Quickest 0-100 km/h
4.6 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
469 hp
350 kW
Lightest
2,075 kg
4,575 lb
Best power-to-weight
226 hp/t
169 kW/t
4.4 kg/hp
Lowest combined fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Lowest city consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
Lowest highway consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Lowest CO2 emissions
204 g/km
Best estimated range
889 km
552 mi
Best overall score
70/100
Best performance score
81/100
Best economy score
83/100

Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12

Highest torque
720 Nm
531 lb-ft
Largest trunk
395 L
Best practicality score
51/100

Specification comparison

Specification comparison
Model	Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12
Power	469hp350kW	460hp343kW
Torque	700Nm516lb-ft	720Nm531lb-ft
Curb weight	2,075kg4,575lb	2,630kg5,798lb
Gross weight	2,625kg5,787lb	3,050kg6,724lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph Calculated
To 99% top speed	61.8s99% target: 257 km/h / 160 mph Calculated	95.9s99% target: 248 km/h / 154 mph Calculated
0-100 km/h	4.6s	5.8s
0-200 km/h	16.5s Calculated	25.1s Calculated
0-60 mph	4.4s Calculated	5.5s Calculated
Fuel consumption	9L/100 km26.1mpg US31.4mpg UK	14.8L/100 km15.9mpg US19.1mpg UK
Fuel consumption city	12.7L/100 km18.5mpg US22.2mpg UK	22.8L/100 km10.3mpg US12.4mpg UK
Fuel consumption highway	6.8L/100 km34.6mpg US41.5mpg UK	10.2L/100 km23.1mpg US27.7mpg UK
Quarter mile	12.7s Calculated	14.0s Calculated
Power-to-weight	226hp/t169kW/t103hp/1000 lb Calculated	175hp/t130kW/t79hp/1000 lb Calculated
Torque-to-weight	337Nm/t226lb-ft/ton Calculated	274Nm/t183lb-ft/ton Calculated
Estimated range	889km552mi Calculated	541km336mi Calculated
Displacement	3,982cc243cu in	6,749cc412cu in
Length	5,032mm198in	5,612mm221in
Width	1,899mm75in	1,987mm78in
Height	1,417mm56in	1,566mm62in
Wheelbase	2,945mm116in	3,320mm131in
Front track	1,625mm64in	1,686mm66in
Rear track	1,649mm65in	1,676mm66in
Trunk volume	350L	395L
Doors	2	2
Seats	4	4
Fuel tank	80L	80L
CO2 emissions	204g/km	347g/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 Cabriolet (A217) Facelift 2017 S 560Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	5,250-5,500 rpm	2,000-4,000 rpm	5,750 rpm
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	5,350 rpm	3,500 rpm	5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.4 s	5.5 s
0-100 km/h 0-62 mph	4.6 s	5.8 s
0-200 km/h 0-124 mph	16.5 s	25.1 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.2 s
330 ft 101 m	5.5 s	5.9 s
1/8 mile 201 m	8.3 s	9.0 s
1000 ft 305 m	10.7 s	11.8 s
1/4 mile 402 m	12.7 s	14.0 s
Trap speed 1/4 mile 402 m	180 km/h 112 mph	160 km/h 99 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	469 hp 350 kW
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	460 hp 343 kW

Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560 has 9 hp more than Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12.

The biggest power difference is between Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12 and Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560: 9 hp (7 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	700 Nm 516 lb-ft
Rolls-RoycePhantom Drophead CoupeFacelift 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
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	2,075 kg 4,575 lb
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	2,630 kg 5,798 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	Unrestricted 250 km/h155 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
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	4.6 s
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	5.8 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560 and Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12: 1.2 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	9.0 L/100 km 26.1 mpg US 31.4 mpg UK
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	14.8 L/100 km 15.9 mpg US 19.1 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560 and Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12: 5.8 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	226 hp/t 169 kW/t 4.4 kg/hp
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	175 hp/t 130 kW/t 5.7 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	889 km 552 mi
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	541 km 336 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	469 hp 350 kW	4.6 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	460 hp 343 kW	5.8 s	Unrestricted 250 km/h155 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.

Vehicle

Performance score

Practicality score

Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560

Power	469 hp 350 kW
0-100 km/h	4.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	350 L 12.4 cu ft
Length	5,032 mm 198.1 in
Height	1,417 mm 55.8 in

Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12

Power	460 hp 343 kW
0-100 km/h	5.8 s
Top speed Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph

Doors/seats	2 doors 4 seats
Trunk	395 L 13.9 cu ft
Length	5,612 mm 220.9 in
Height	1,566 mm 61.7 in

Performance vs fuel economy

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

Vehicle

Performance score

Fuel economy score

Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560

Power	469 hp 350 kW
0-100 km/h	4.6 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12

Power	460 hp 343 kW
0-100 km/h	5.8 s
Top speed Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph

14.8 L/100 km

15.9 mpg US

19.1 mpg UK

Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	9.0 L/100 km 26.1 mpg US 31.4 mpg UK	4.6 s
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	14.8 L/100 km 15.9 mpg US 19.1 mpg UK	5.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560	226 hp/t 169 kW/t 4.4 kg/hp	9.0 L/100 km 26.1 mpg US 31.4 mpg UK
Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12	175 hp/t 130 kW/t 5.7 kg/hp	14.8 L/100 km 15.9 mpg US 19.1 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzS-class Cabriolet (A217)Facelift 2017S 560

Rolls-RoycePhantom Drophead CoupeFacelift 20126.7 V12

Power

469 hp

350 kW

460 hp

343 kW

Torque

700 Nm

516 lb-ft

720 Nm

531 lb-ft

Acceleration

4.6 s

5.8 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Unrestricted

250 km/h155 mph

Restricted

240 km/h149 mph

Lightness

2,075 kg

4,575 lb

2,630 kg

5,798 lb

Fuel consumption

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

14.8 L/100 km

15.9 mpg US

19.1 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	350 L 12.4 cu ft
Length	5,032 mm 198.1 in
Height	1,417 mm 55.8 in

Doors/seats	2 doors 4 seats
Trunk	395 L 13.9 cu ft
Length	5,612 mm 220.9 in
Height	1,566 mm 61.7 in

Range score

889 km

552 mi

541 km

336 mi

CO2 score

204 g/km

347 g/km

Trunk score

350 L

12.4 cu ft

395 L

13.9 cu ft

Power-to-weight score

226 hp/t

169 kW/t

4.4 kg/hp

175 hp/t

130 kW/t

5.7 kg/hp

Overall

Fixed score

Fuel cost and annual usage

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

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 S 560	Rolls-Royce Phantom Drophead Coupe Facelift 2012 6.7 V12
Consumption	9 L/100 km26.1 mpg US31.4 mpg UK	14.8 L/100 km15.9 mpg US19.1 mpg UK
Cost / 100 km	15.75 LC100 km	25.90 LC100 km
Cost / 100 mi	25.35 LC100 mi	41.68 LC100 mi
Annual fuel used	1,350 L357 US gal297 UK gal	2,220 L586 US gal488 UK gal
Annual fuel cost	2,363 LC/year	3,885 LC/year