Car comparison

Aston Martin V8 Vantage Roadster 4.3 i V8 32VvsBMW 6 Series Convertible (E64) 650i

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

New comparison

Aston Martin V8 Vantage Roadster

4.3 i V8 32V

385 hp4281 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2006-2008
VS

BMW 6 Series Convertible (E64)

650i

367 hp4799 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2005-2007

Comparison overview

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

Best choices

Aston Martin V8 Vantage Roadster 4.3 i V8 32V

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    290 km/h
    180 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Most powerful
    385 hp
    287 kW
  • Lightest
    1,570 kg
    3,461 lb
  • Best power-to-weight
    245 hp/t
    183 kW/t
    4.1 kg/hp
  • Lowest city consumption
    16.8 L/100 km
    14.0 mpg US
    16.8 mpg UK
  • Largest trunk
    300 L
  • Best overall score
    62/100
  • Best performance score
    74/100

BMW 6 Series Convertible (E64) 650i

  • Highest torque
    490 Nm
    361 lb-ft
  • Lowest highway consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Best economy score
    72/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelAston MartinV8 Vantage Roadster4.3 i V8 32VBMW6 Series Convertible (E64)650i
Power
385hp287kW
367hp274kW
Torque
410Nm302lb-ft
490Nm361lb-ft
Curb weight
1,570kg3,461lb
1,850kg4,079lb
Gross weight-
2,250kg4,960lb
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.8s99% target: 287 km/h / 178 mph
Calculated
79.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
5.7s
0-200 km/h
15.6s
Calculated
20.8s
Calculated
0-60 mph
4.8s
Calculated
5.4s
Calculated
Fuel consumption-
12.9L/100 km18.2mpg US21.9mpg UK
Fuel consumption city
16.8L/100 km14mpg US16.8mpg UK
19.1L/100 km12.3mpg US14.8mpg UK
Fuel consumption highway
11.8L/100 km19.9mpg US23.9mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Quarter mile
13.0s
Calculated
13.8s
Calculated
Power-to-weight
245hp/t183kW/t111hp/1000 lb
Calculated
198hp/t148kW/t90hp/1000 lb
Calculated
Torque-to-weight
261Nm/t175lb-ft/ton
Calculated
265Nm/t177lb-ft/ton
Calculated
Estimated range-
543km337mi
Calculated
Displacement
4,281cc261cu in
4,799cc293cu in
Length
4,383mm173in
4,820mm190in
Width
1,866mm73in
1,855mm73in
Height
1,255mm49in
1,373mm54in
Wheelbase
2,600mm102in
2,780mm109in
Front track
1,568mm62in
1,558mm61in
Rear track
1,562mm61in
1,596mm63in
Trunk volume
300L
300L
Max trunk volume-
350L
Doors
2
2
Seats
2
4
Fuel tank
80L
70L

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 V8 Vantage Roadster 4.3 i V8 32VBMW 6 Series Convertible (E64) 650iPowerTorque
  • Aston Martin V8 Vantage Roadster 4.3 i V8 32V: Power / Torque
  • BMW 6 Series Convertible (E64) 650i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Aston MartinV8 Vantage Roadster4.3 i V8 32V7,000 rpm5,000 rpm7,250 rpm
BMW6 Series Convertible (E64)650i6,300 rpm3,400 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAston MartinV8 Vantage Roadster4.3 i V8 32VBMW6 Series Convertible (E64)650i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.4 s
0-100 km/h
0-62 mph
5.0 s
5.7 s
0-200 km/h
0-124 mph
15.6 s
20.8 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.8 s
6.0 s
1/8 mile
201 m
8.6 s
9.0 s
1000 ft
305 m
11.0 s
11.6 s
1/4 mile
402 m
13.0 s
13.8 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
385 hp
287 kW
BMW6 Series Convertible (E64)650i
367 hp
274 kW

Aston Martin V8 Vantage Roadster 4.3 i V8 32V has 18 hp more than BMW 6 Series Convertible (E64) 650i.

The biggest power difference is between BMW 6 Series Convertible (E64) 650i and Aston Martin V8 Vantage Roadster 4.3 i V8 32V: 18 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
410 Nm
302 lb-ft
BMW6 Series Convertible (E64)650i
490 Nm
361 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
1,570 kg
3,461 lb
BMW6 Series Convertible (E64)650i
1,850 kg
4,079 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMW6 Series Convertible (E64)650i
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
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V5.0 s
BMW6 Series Convertible (E64)650i5.7 s

The biggest 0-100 km/h difference is between Aston Martin V8 Vantage Roadster 4.3 i V8 32V and BMW 6 Series Convertible (E64) 650i: 0.7 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
Aston MartinV8 Vantage Roadster4.3 i V8 32V
245 hp/t
183 kW/t
4.1 kg/hp
BMW6 Series Convertible (E64)650i
198 hp/t
148 kW/t
5.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
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
BMW6 Series Convertible (E64)650i
367 hp
274 kW
5.7 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.

Chart data table
VehiclePerformance scorePracticality score
Aston MartinV8 Vantage Roadster4.3 i V8 32V
Power
385 hp
287 kW
0-100 km/h5.0 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
BMW6 Series Convertible (E64)650i
Power
367 hp
274 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in

Detailed score breakdown

Detailed score breakdown
VehicleAston MartinV8 Vantage Roadster4.3 i V8 32VBMW6 Series Convertible (E64)650i
Power
385 hp
287 kW
367 hp
274 kW
Torque
410 Nm
302 lb-ft
490 Nm
361 lb-ft
Acceleration
5.0 s
5.7 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,570 kg
3,461 lb
1,850 kg
4,079 lb
Fuel consumption
-
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in
Range score
-
543 km
337 mi
Trunk score
300 L
10.6 cu ft
300 L
10.6 cu ft
Power-to-weight score
245 hp/t
183 kW/t
4.1 kg/hp
198 hp/t
148 kW/t
5.0 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
VehicleBMW 6 Series Convertible (E64) 650i
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK
Cost / 100 km22.58 LC100 km
Cost / 100 mi36.33 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal
Annual fuel cost3,386 LC/year

Head-to-head comparisons

Aston Martin V8 Vantage Roadster 4.3 i V8 32V

  • Has 18 hp more
  • Is 280 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 30 km/h (19 mph) higher top speed
  • Has 47 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Aston Martin V8 Vantage Roadster 4.3 i V8 32V
BMW 6 Series Convertible (E64) 650i
Compare selected cars
2 vehicles selected

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