The Comparative Analysis :
Aston Martin DB9 Volante Tiptronic (04 - 06) vs. BMW 640i Convertible Automatic (11 - 13)
€ 161,200

€ 83,900

€ 161,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Aston Martin DB9 Volante is considerably smaller in every dimension. It's 7.2 inches shorter, 0.7 inches narrower and 3.7 inches lower than the BMW 640i Cabrio.
Aston Martin DB9 Volante
BMW 640i Cabrio
50
73.8
81.7
53.7
74.6
81.9
73.8 in
Width
74.6 in
81.7 in
Width Incl. Mirrors
81.9 in
50 in
Height
53.7 in
107.9
185.4
112.4
192.7
185.4 in
Length
192.7 in
107.9 in
Wheelbase
112.4 in
Vehicle Weight
Aston Martin DB9 Volante
BMW 640i Cabrio
3968 lb
Curb Weight
4222 lb
No data
Gross Vehicle
Weight
Weight
5049 lb

Weight Difference:
254 lb
6.02 %

General
Aston Martin DB9 Volante
BMW 640i Cabrio
VH1
Generation
F12
Convertible
Car Body Style
Convertible
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Aston Martin DB9 Volante
BMW 640i Cabrio
V12 gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
Engine Series
BMW N55
AM04
Engine Code
N55-B30

4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3 L / 147 cu in
444 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
Aston Martin DB9 Volante
444 hp
316 hp
BMW 640i Cabrio
420 lb‑ft
at 5000 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Aston Martin DB9 Volante
420 lb‑ft
332 lb‑ft
BMW 640i Cabrio
Performance
Aston Martin DB9 Volante
BMW 640i Cabrio
186 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
233 ft
0.000 sec

Aston Martin DB9 Volante
62 mph
62
mph
mph
259 ft
0.000 sec

BMW 640i Cabrio
▶ REPLAY
8.94 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Aston Martin DB9 Volante
8.94 lb/hp
13.36 lb/hp
BMW 640i Cabrio
Fuel Economy / Emissions
Aston Martin DB9 Volante
BMW 640i Cabrio
Fuel Economy
14 mpg
combined
30 mpg
Aston Martin DB9 Volante
14 mpg
30 mpg
BMW 640i Cabrio
9 mpg
city
22 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
301 mi
Range
557 mi
Aston Martin DB9 Volante
301 mi
557 mi
BMW 640i Cabrio
Environmental Impact
312.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
147.7 kWh
Aston Martin DB9 Volante
312.5 kWh
147.7 kWh
BMW 640i Cabrio
Euro 3
Emission Standard
Euro 5
634 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Volante
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
No data
Maximum Payload
827 lb
No data
Trunk Volume
9.9 cu ft




No data
Cargo Volume (Seats Down)
No data