Car comparison

Alpina B6 Cabrio (E64) 4.4 V8vsAston Martin V8 Vantage Roadster 4.3 i V8 32V

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

New comparison

Alpina B6 Cabrio (E64)

4.4 V8

500 hp4398 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2005-2008

Aston Martin V8 Vantage Roadster

4.3 i V8 32V

385 hp4281 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2006-2008

Comparison overview

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

Alpina B6 Cabrio (E64) 4.4 V8

Quickest 0-100 km/h
4.9 s
Fastest top speed
320 km/h
199 mph Unrestricted
310 km/h
193 mph Restricted
Most powerful
500 hp
373 kW
Highest torque
700 Nm
516 lb-ft
Best power-to-weight
259 hp/t
193 kW/t
3.9 kg/hp
Lowest highway consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Largest trunk
450 L
Best overall score
75/100
Best performance score
87/100
Best economy score
73/100
Best practicality score
48/100

Aston Martin V8 Vantage Roadster 4.3 i V8 32V

Lightest
1,570 kg
3,461 lb
Lowest city consumption
16.8 L/100 km
14.0 mpg US
16.8 mpg UK

Specification comparison

Specification comparison
Model	AlpinaB6 Cabrio (E64)4.4 V8	Aston MartinV8 Vantage Roadster4.3 i V8 32V
Power	500hp373kW	385hp287kW
Torque	700Nm516lb-ft	410Nm302lb-ft
Curb weight	1,930kg4,255lb	1,570kg3,461lb
Gross weight	2,350kg5,181lb	-
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Calculated	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph Calculated
To 99% top speed	84.6s99% target: 317 km/h / 197 mph Calculated	71.8s99% target: 287 km/h / 178 mph Calculated
0-100 km/h	4.9s	5.0s
0-200 km/h	14.6s Calculated	15.6s Calculated
0-60 mph	4.7s Calculated	4.8s Calculated
Fuel consumption	12.8L/100 km18.4mpg US22.1mpg UK	-
Fuel consumption city	18.9L/100 km12.4mpg US14.9mpg UK	16.8L/100 km14mpg US16.8mpg UK
Fuel consumption highway	9.3L/100 km25.3mpg US30.4mpg UK	11.8L/100 km19.9mpg US23.9mpg UK
Quarter mile	12.8s Calculated	13.0s Calculated
Power-to-weight	259hp/t193kW/t118hp/1000 lb Calculated	245hp/t183kW/t111hp/1000 lb Calculated
Torque-to-weight	363Nm/t243lb-ft/ton Calculated	261Nm/t175lb-ft/ton Calculated
Estimated range	547km340mi Calculated	-
Displacement	4,398cc268cu in	4,281cc261cu in
Length	4,820mm190in	4,383mm173in
Width	1,855mm73in	1,866mm73in
Height	1,371mm54in	1,255mm49in
Wheelbase	2,780mm109in	2,600mm102in
Front track	1,558mm61in	1,568mm62in
Rear track	1,598mm63in	1,562mm61in
Trunk volume	-	300L
Max trunk volume	450L	-
Doors	2	2
Seats	4	2
Fuel tank	70L	80L
CO2 emissions	306g/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.

Alpina B6 Cabrio (E64) 4.4 V8Aston Martin V8 Vantage Roadster 4.3 i V8 32VPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
AlpinaB6 Cabrio (E64)4.4 V8	5,500 rpm	4,250 rpm	5,750 rpm
Aston MartinV8 Vantage Roadster4.3 i V8 32V	7,000 rpm	5,000 rpm	7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	AlpinaB6 Cabrio (E64)4.4 V8	Aston MartinV8 Vantage Roadster4.3 i V8 32V
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.8 s
0-100 km/h 0-62 mph	4.9 s	5.0 s
0-200 km/h 0-124 mph	14.6 s	15.6 s
Top speed	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph Likely limited	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.7 s	5.8 s
1/8 mile 201 m	8.5 s	8.6 s
1000 ft 305 m	10.9 s	11.0 s
1/4 mile 402 m	12.8 s	13.0 s
Trap speed 1/4 mile 402 m	187 km/h 116 mph	183 km/h 114 mph

Power comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	500 hp 373 kW
Aston MartinV8 Vantage Roadster4.3 i V8 32V	385 hp 287 kW

Alpina B6 Cabrio (E64) 4.4 V8 has 115 hp more than Aston Martin V8 Vantage Roadster 4.3 i V8 32V.

The biggest power difference is between Aston Martin V8 Vantage Roadster 4.3 i V8 32V and Alpina B6 Cabrio (E64) 4.4 V8: 115 hp (86 kW).

Torque comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	700 Nm 516 lb-ft
Aston MartinV8 Vantage Roadster4.3 i V8 32V	410 Nm 302 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	1,930 kg 4,255 lb
Aston MartinV8 Vantage Roadster4.3 i V8 32V	1,570 kg 3,461 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
AlpinaB6 Cabrio (E64)4.4 V8	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
Aston MartinV8 Vantage Roadster4.3 i V8 32V	Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	4.9 s
Aston MartinV8 Vantage Roadster4.3 i V8 32V	5.0 s

The biggest 0-100 km/h difference is between Alpina B6 Cabrio (E64) 4.4 V8 and Aston Martin V8 Vantage Roadster 4.3 i V8 32V: 0.1 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
AlpinaB6 Cabrio (E64)4.4 V8	259 hp/t 193 kW/t 3.9 kg/hp
Aston MartinV8 Vantage Roadster4.3 i V8 32V	245 hp/t 183 kW/t 4.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
AlpinaB6 Cabrio (E64)4.4 V8	500 hp 373 kW	4.9 s	Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph
Aston MartinV8 Vantage Roadster4.3 i V8 32V	385 hp 287 kW	5.0 s	Unrestricted 290 km/h180 mph Restricted 280 km/h174 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

AlpinaB6 Cabrio (E64)4.4 V8

Power	500 hp 373 kW
0-100 km/h	4.9 s
Top speed Unrestricted 320 km/h199 mph Restricted 310 km/h193 mph

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,820 mm 189.8 in
Height	1,371 mm 54.0 in

Aston MartinV8 Vantage Roadster4.3 i V8 32V

Power	385 hp 287 kW
0-100 km/h	5.0 s
Top speed Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph

Doors/seats	2 doors 2 seats
Trunk	300 L 10.6 cu ft
Length	4,383 mm 172.6 in
Height	1,255 mm 49.4 in

Detailed score breakdown

Vehicle

AlpinaB6 Cabrio (E64)4.4 V8

Aston MartinV8 Vantage Roadster4.3 i V8 32V

Power

500 hp

373 kW

385 hp

287 kW

Torque

700 Nm

516 lb-ft

410 Nm

302 lb-ft

Acceleration

4.9 s

5.0 s

Top speed

Unrestricted

320 km/h199 mph

Restricted

310 km/h193 mph

Unrestricted

290 km/h180 mph

Restricted

280 km/h174 mph

Lightness

1,930 kg

4,255 lb

1,570 kg

3,461 lb

Fuel consumption

12.8 L/100 km

18.4 mpg US

22.1 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	450 L 15.9 cu ft
Length	4,820 mm 189.8 in
Height	1,371 mm 54.0 in

Doors/seats	2 doors 2 seats
Trunk	300 L 10.6 cu ft
Length	4,383 mm 172.6 in
Height	1,255 mm 49.4 in

Range score

547 km

340 mi

CO2 score

306 g/km

Trunk score

450 L

15.9 cu ft

300 L

10.6 cu ft

Power-to-weight score

259 hp/t

193 kW/t

3.9 kg/hp

245 hp/t

183 kW/t

4.1 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	Alpina B6 Cabrio (E64) 4.4 V8
Consumption	12.8 L/100 km18.4 mpg US22.1 mpg UK
Cost / 100 km	22.40 LC100 km
Cost / 100 mi	36.05 LC100 mi
Annual fuel used	1,920 L507 US gal422 UK gal
Annual fuel cost	3,360 LC/year