Car comparison

Aston Martin DB9 Coupe 6.0 i V12 48VvsRolls-Royce Phantom Coupe 6.75 i V12

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

New comparison

Aston Martin DB9 Coupe

6.0 i V12 48V

456 hp5935 ccGasolineRWDAutomaticNaturally aspiratedCoupe2004-2012

Rolls-Royce Phantom Coupe

6.75 i V12

460 hp6749 ccGasolineRWDAutomaticNaturally aspiratedCoupe2008-2012

Comparison overview

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

Rolls-Royce Phantom Coupe 6.75 i V12

Most powerful
460 hp
343 kW
Highest torque
720 Nm
531 lb-ft
Lowest city consumption
23.2 L/100 km
10.1 mpg US
12.2 mpg UK
Lowest highway consumption
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Largest trunk
395 L
Best economy score
65/100
Best practicality score
58/100

Aston Martin DB9 Coupe 6.0 i V12 48V

Quickest 0-100 km/h
5.1 s
Fastest top speed
310 km/h
193 mph Unrestricted
300 km/h
186 mph Restricted
Lightest
1,760 kg
3,880 lb
Best power-to-weight
259 hp/t
193 kW/t
3.9 kg/hp
Best overall score
71/100
Best performance score
81/100

Specification comparison

Specification comparison
Model	Aston MartinDB9 Coupe6.0 i V12 48V	Rolls-RoycePhantom Coupe6.75 i V12
Power	456hp340kW	460hp343kW
Torque	570Nm420lb-ft	720Nm531lb-ft
Curb weight	1,760kg3,880lb	2,590kg5,710lb
Gross weight	-	3,050kg6,724lb
Top speed	Unrestricted 310 km/h193 mph Restricted 300 km/h186 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	82.2s99% target: 307 km/h / 191 mph Calculated	104.7s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	5.1s	5.8s
0-200 km/h	15.3s Calculated	23.1s Calculated
0-60 mph	4.9s Calculated	5.5s Calculated
Fuel consumption	-	15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city	24L/100 km9.8mpg US11.8mpg UK	23.2L/100 km10.1mpg US12.2mpg UK
Fuel consumption highway	12L/100 km19.6mpg US23.5mpg UK	11.3L/100 km20.8mpg US25.0mpg UK
Quarter mile	13.0s Calculated	14.0s Calculated
Power-to-weight	259hp/t193kW/t118hp/1000 lb Calculated	178hp/t132kW/t81hp/1000 lb Calculated
Torque-to-weight	324Nm/t217lb-ft/ton Calculated	278Nm/t186lb-ft/ton Calculated
Estimated range	-	637km396mi Calculated
Displacement	5,935cc362cu in	6,749cc412cu in
Length	4,697mm185in	5,609mm221in
Width	1,875mm74in	1,987mm78in
Height	1,318mm52in	1,592mm63in
Wheelbase	2,740mm108in	3,320mm131in
Front track	1,568mm62in	1,685mm66in
Rear track	1,562mm61in	1,670mm66in
Trunk volume	-	395L
Max trunk volume	175L	-
Doors	2	2
Seats	4	5
Fuel tank	85L	100L

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.

Aston Martin DB9 Coupe 6.0 i V12 48VRolls-Royce Phantom Coupe 6.75 i V12PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Aston MartinDB9 Coupe6.0 i V12 48V	6,000 rpm	5,000 rpm	6,250 rpm
Rolls-RoycePhantom Coupe6.75 i 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	Aston MartinDB9 Coupe6.0 i V12 48V	Rolls-RoycePhantom Coupe6.75 i V12
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.9 s	5.5 s
0-100 km/h 0-62 mph	5.1 s	5.8 s
0-200 km/h 0-124 mph	15.3 s	23.1 s
Top speed	Unrestricted 310 km/h193 mph Restricted 300 km/h186 mph Likely limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.3 s	2.2 s
330 ft 101 m	5.8 s	5.9 s
1/8 mile 201 m	8.7 s	9.0 s
1000 ft 305 m	11.1 s	11.7 s
1/4 mile 402 m	13.0 s	14.0 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	162 km/h 101 mph

Power comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 Coupe6.0 i V12 48V	456 hp 340 kW
Rolls-RoycePhantom Coupe6.75 i V12	460 hp 343 kW

Rolls-Royce Phantom Coupe 6.75 i V12 has 4 hp more than Aston Martin DB9 Coupe 6.0 i V12 48V.

The biggest power difference is between Aston Martin DB9 Coupe 6.0 i V12 48V and Rolls-Royce Phantom Coupe 6.75 i V12: 4 hp (3 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 Coupe6.0 i V12 48V	570 Nm 420 lb-ft
Rolls-RoycePhantom Coupe6.75 i 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
Aston MartinDB9 Coupe6.0 i V12 48V	1,760 kg 3,880 lb
Rolls-RoycePhantom Coupe6.75 i V12	2,590 kg 5,710 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
Aston MartinDB9 Coupe6.0 i V12 48V	Unrestricted 310 km/h193 mph Restricted 300 km/h186 mph
Rolls-RoycePhantom Coupe6.75 i V12	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 Coupe6.0 i V12 48V	5.1 s
Rolls-RoycePhantom Coupe6.75 i V12	5.8 s

Although Rolls-Royce Phantom Coupe 6.75 i V12 has more power, Aston Martin DB9 Coupe 6.0 i V12 48V is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Aston Martin DB9 Coupe 6.0 i V12 48V and Rolls-Royce Phantom Coupe 6.75 i V12: 0.7 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 Coupe6.0 i V12 48V	259 hp/t 193 kW/t 3.9 kg/hp
Rolls-RoycePhantom Coupe6.75 i V12	178 hp/t 132 kW/t 5.6 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Aston MartinDB9 Coupe6.0 i V12 48V	456 hp 340 kW	5.1 s	Unrestricted 310 km/h193 mph Restricted 300 km/h186 mph
Rolls-RoycePhantom Coupe6.75 i V12	460 hp 343 kW	5.8 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 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

Aston MartinDB9 Coupe6.0 i V12 48V

Power	456 hp 340 kW
0-100 km/h	5.1 s
Top speed Unrestricted 310 km/h193 mph Restricted 300 km/h186 mph

Doors/seats	2 doors 4 seats
Trunk	175 L 6.2 cu ft
Length	4,697 mm 184.9 in
Height	1,318 mm 51.9 in

Rolls-RoycePhantom Coupe6.75 i V12

Power	460 hp 343 kW
0-100 km/h	5.8 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 5 seats
Trunk	395 L 13.9 cu ft
Length	5,609 mm 220.8 in
Height	1,592 mm 62.7 in

Detailed score breakdown

Vehicle

Aston MartinDB9 Coupe6.0 i V12 48V

Rolls-RoycePhantom Coupe6.75 i V12

Power

456 hp

340 kW

460 hp

343 kW

Torque

570 Nm

420 lb-ft

720 Nm

531 lb-ft

Acceleration

5.1 s

5.8 s

Top speed

Unrestricted

310 km/h193 mph

Restricted

300 km/h186 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,760 kg

3,880 lb

2,590 kg

5,710 lb

Fuel consumption

15.7 L/100 km

15.0 mpg US

18.0 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	175 L 6.2 cu ft
Length	4,697 mm 184.9 in
Height	1,318 mm 51.9 in

Doors/seats	2 doors 5 seats
Trunk	395 L 13.9 cu ft
Length	5,609 mm 220.8 in
Height	1,592 mm 62.7 in

Range score

637 km

396 mi

Trunk score

175 L

6.2 cu ft

395 L

13.9 cu ft

Power-to-weight score

259 hp/t

193 kW/t

3.9 kg/hp

178 hp/t

132 kW/t

5.6 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	Rolls-Royce Phantom Coupe 6.75 i V12
Consumption	15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km	27.47 LC100 km
Cost / 100 mi	44.22 LC100 mi
Annual fuel used	2,355 L622 US gal518 UK gal
Annual fuel cost	4,121 LC/year