Car comparison

Aston Martin DB9 GT Volante 6.0 V12vsRolls-Royce Dawn 6.6 V12

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

New comparison

Aston Martin DB9 GT Volante

6.0 V12

547 hp5935 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2015-2016

Rolls-Royce Dawn

6.6 V12

601 hp6592 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2017-present

Comparison overview

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

Aston Martin DB9 GT Volante 6.0 V12

Quickest 0-100 km/h
4.5 s
Fastest top speed
295 km/h
183 mph
Lightest
1,890 kg
4,167 lb
Best power-to-weight
289 hp/t
216 kW/t
3.5 kg/hp
Best overall score
73/100
Best performance score
85/100
Best practicality score
48/100

Rolls-Royce Dawn 6.6 V12

Most powerful
601 hp
448 kW
Highest torque
840 Nm
620 lb-ft
Best economy score
67/100

Specification comparison

Specification comparison
Model	Aston MartinDB9 GT Volante6.0 V12	Rolls-RoyceDawn6.6 V12
Power	547hp408kW	601hp448kW
Torque	620Nm457lb-ft	840Nm620lb-ft
Curb weight	1,890kg4,167lb	2,560kg5,644lb
Top speed	295 km/h 183 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	66.4s99% target: 292 km/h / 181 mph Calculated	73.6s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.5s	4.9s
0-200 km/h	13.9s Calculated	18.6s Calculated
0-60 mph	4.3s Calculated	4.6s Calculated
Fuel consumption	-	14.7L/100 km16mpg US19.2mpg UK
Fuel consumption city	-	22.9L/100 km10.3mpg US12.3mpg UK
Fuel consumption highway	-	10.1L/100 km23.3mpg US28.0mpg UK
Quarter mile	12.5s Calculated	13.1s Calculated
Power-to-weight	289hp/t216kW/t131hp/1000 lb Calculated	235hp/t175kW/t106hp/1000 lb Calculated
Torque-to-weight	328Nm/t219lb-ft/ton Calculated	328Nm/t220lb-ft/ton Calculated
Displacement	5,935cc362cu in	6,592cc402cu in
Length	4,720mm186in	5,285mm208in
Width	2,061mm81in	1,947mm77in
Height	1,282mm50in	1,502mm59in
Wheelbase	2,740mm108in	3,112mm123in
Front track	-	1,618mm64in
Rear track	-	1,665mm66in
Trunk volume	-	321L
Doors	2	2
Seats	4	4
Fuel tank	78L	-
CO2 emissions	-	337g/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.

Aston Martin DB9 GT Volante 6.0 V12Rolls-Royce Dawn 6.6 V12PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Aston MartinDB9 GT Volante6.0 V12	6,750 rpm	5,500 rpm	7,000 rpm
Rolls-RoyceDawn6.6 V12	5,250-6,000 rpm	1,650-4,750 rpm	6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Aston MartinDB9 GT Volante6.0 V12	Rolls-RoyceDawn6.6 V12
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	4.6 s
0-100 km/h 0-62 mph	4.5 s	4.9 s
0-200 km/h 0-124 mph	13.9 s	18.6 s
Top speed	295 km/h 183 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.1 s
330 ft 101 m	5.5 s	5.6 s
1/8 mile 201 m	8.2 s	8.5 s
1000 ft 305 m	10.5 s	11.0 s
1/4 mile 402 m	12.5 s	13.1 s
Trap speed 1/4 mile 402 m	190 km/h 118 mph	173 km/h 108 mph

Power comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 GT Volante6.0 V12	547 hp 408 kW
Rolls-RoyceDawn6.6 V12	601 hp 448 kW

Rolls-Royce Dawn 6.6 V12 has 54 hp more than Aston Martin DB9 GT Volante 6.0 V12.

The biggest power difference is between Aston Martin DB9 GT Volante 6.0 V12 and Rolls-Royce Dawn 6.6 V12: 54 hp (40 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 GT Volante6.0 V12	620 Nm 457 lb-ft
Rolls-RoyceDawn6.6 V12	840 Nm 620 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Aston MartinDB9 GT Volante6.0 V12	1,890 kg 4,167 lb
Rolls-RoyceDawn6.6 V12	2,560 kg 5,644 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 GT Volante6.0 V12	295 km/h 183 mph
Rolls-RoyceDawn6.6 V12	Unrestricted 260 km/h162 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 GT Volante6.0 V12	4.5 s
Rolls-RoyceDawn6.6 V12	4.9 s

Although Rolls-Royce Dawn 6.6 V12 has more power, Aston Martin DB9 GT Volante 6.0 V12 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Aston Martin DB9 GT Volante 6.0 V12 and Rolls-Royce Dawn 6.6 V12: 0.4 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 GT Volante6.0 V12	289 hp/t 216 kW/t 3.5 kg/hp
Rolls-RoyceDawn6.6 V12	235 hp/t 175 kW/t 4.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Aston MartinDB9 GT Volante6.0 V12	547 hp 408 kW	4.5 s	295 km/h 183 mph
Rolls-RoyceDawn6.6 V12	601 hp 448 kW	4.9 s	Unrestricted 260 km/h162 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 GT Volante6.0 V12

Power	547 hp 408 kW
0-100 km/h	4.5 s
Top speed 295 km/h 183 mph

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,720 mm 185.8 in
Height	1,282 mm 50.5 in

Rolls-RoyceDawn6.6 V12

Power	601 hp 448 kW
0-100 km/h	4.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	321 L 11.3 cu ft
Length	5,285 mm 208.1 in
Height	1,502 mm 59.1 in

Detailed score breakdown

Vehicle

Aston MartinDB9 GT Volante6.0 V12

Rolls-RoyceDawn6.6 V12

Power

547 hp

408 kW

601 hp

448 kW

Torque

620 Nm

457 lb-ft

840 Nm

620 lb-ft

Acceleration

4.5 s

4.9 s

Top speed

295 km/h

183 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,890 kg

4,167 lb

2,560 kg

5,644 lb

Fuel consumption

14.7 L/100 km

16.0 mpg US

19.2 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	-
Length	4,720 mm 185.8 in
Height	1,282 mm 50.5 in

Doors/seats	2 doors 4 seats
Trunk	321 L 11.3 cu ft
Length	5,285 mm 208.1 in
Height	1,502 mm 59.1 in

CO2 score

337 g/km

Trunk score

321 L

11.3 cu ft

Power-to-weight score

289 hp/t

216 kW/t

3.5 kg/hp

235 hp/t

175 kW/t

4.3 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 Dawn 6.6 V12
Consumption	14.7 L/100 km16 mpg US19.2 mpg UK
Cost / 100 km	25.72 LC100 km
Cost / 100 mi	41.40 LC100 mi
Annual fuel used	2,205 L582 US gal485 UK gal
Annual fuel cost	3,859 LC/year