The Comparative Analysis :
Aston Martin DB9 Volante (08 - 12) vs. BMW 640i Convertible xDrive Automatic (13 - 13)
€ 182,100

€ 87,300

€ 182,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,300
ⓘ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 4.1 inches lower than the BMW 640i Cabrio.
Aston Martin DB9 Volante
BMW 640i Cabrio
49.6
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
49.6 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
4001 lb
Curb Weight
4376 lb
4751 lb
Gross Vehicle
Weight
Weight
5291 lb

Weight Difference:
375 lb
8.57 %

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

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed manual 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
AM09
Engine Code
N55-B30

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

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

BMW 640i Cabrio
▶ REPLAY
8.51 lb/hp
Weight-to-Power Ratio
13.85 lb/hp
Aston Martin DB9 Volante
8.51 lb/hp
13.85 lb/hp
BMW 640i Cabrio
Fuel Economy / Emissions
Aston Martin DB9 Volante
BMW 640i Cabrio
Fuel Economy
14 mpg
combined
29 mpg
Aston Martin DB9 Volante
14 mpg
29 mpg
BMW 640i Cabrio
10 mpg
city
21 mpg
No data
highway
No data
22.5 gal
Fuel Tank Capacity
18.5 gal
322 mi
Range
531 mi
Aston Martin DB9 Volante
322 mi
531 mi
BMW 640i Cabrio
Environmental Impact
310.8 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).
155.3 kWh
Aston Martin DB9 Volante
310.8 kWh
155.3 kWh
BMW 640i Cabrio
Euro 5
Emission Standard
Euro 5
626 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Aston Martin DB9 Volante
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
750 lb
Maximum Payload
915 lb
3.9 cu ft
Trunk Volume
9.9 cu ft





No data
Cargo Volume (Seats Down)
No data