The Comparative Analysis :

BMW 640i Convertible xDrive Steptronic (13 - 14) vs. Aston Martin DB9 Volante Touchtronic (06 - 08)

€ 87,300
BMW 640i Convertible xDrive Steptronic (13 - 14) BMW 640i Cabrio
€ 177,400
 Aston Martin DB9 Volante Touchtronic (06 - 08) Aston Martin DB9 Volante
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 177,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 640i Cabrio is considerably bigger in every dimension. It's 7.2 inches longer, 0.7 inches wider and 3.7 inches taller than the Aston Martin DB9 Volante.
BMW 640i Cabrio
Aston Martin DB9 Volante
53.7
Blueprint BMW 640i Convertible xDrive Steptronic (13 - 14)
74.6
81.9
50
Blueprint Aston Martin DB9 Volante Touchtronic (06 - 08)
73.8
81.7
74.6 in
Width
73.8 in
81.9 in
Width Incl. Mirrors
81.7 in
53.7 in
Height
50 in
Blueprint BMW 640i Convertible xDrive Steptronic (13 - 14)
112.4
192.7
Blueprint Aston Martin DB9 Volante Touchtronic (06 - 08)
107.9
185.4
192.7 in
Length
185.4 in
112.4 in
Wheelbase
107.9 in

Vehicle Weight

BMW 640i Cabrio
Aston Martin DB9 Volante
4376 lb
Curb Weight
3968 lb
5291 lb
Gross Vehicle
Weight
4751 lb
BMW 640i Convertible xDrive Steptronic (13 - 14)
Weight Difference:
408 lb
9.32 %
Aston Martin DB9 Volante Touchtronic (06 - 08)

General

BMW 640i Cabrio
Aston Martin DB9 Volante
F12
Generation
VH1
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW 640i Cabrio
Aston Martin DB9 Volante
Straight-six gasoline engine with tur­bo­charger
Engine Type
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N55
Engine Series
N55-B30
Engine Code
AM04
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
316 hp
at 5800 rpm
Power
450 hp
at 6000 rpm
BMW 640i Cabrio
316 hp
450 hp
Aston Martin DB9 Volante
332 lb‑ft
at 1300 rpm
Max. Torque
420 lb‑ft
at 5000 rpm
BMW 640i Cabrio
332 lb‑ft
420 lb‑ft
Aston Martin DB9 Volante

Performance

BMW 640i Cabrio
Aston Martin DB9 Volante
155 mph
Maximum Speed
165 mph
5.4 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

233 ft
0.000 sec

Aston Martin DB9 Volante

▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
8.82 lb/hp
BMW 640i Cabrio
13.85 lb/hp
8.82 lb/hp
Aston Martin DB9 Volante

Fuel Economy / Emissions

BMW 640i Cabrio
Aston Martin DB9 Volante
Fuel Economy
29 mpg
combined
14 mpg
BMW 640i Cabrio
29 mpg
14 mpg
Aston Martin DB9 Volante
21 mpg
city
9 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
531 mi
Range
301 mi
BMW 640i Cabrio
531 mi
301 mi
Aston Martin DB9 Volante
Environmental Impact
155.3 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).
312.5 kWh
BMW 640i Cabrio
155.3 kWh
312.5 kWh
Aston Martin DB9 Volante
Euro 6b (NEFZ)
Emission Standard
Euro 4
309 g/mi (NEFZ)
CO2 Emissions
634 g/mi (NEFZ)

Practical Convenience

BMW 640i Cabrio
Aston Martin DB9 Volante
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
783 lb
9.9 cu ft
Trunk Volume
No data
No data
Cargo Volume (Seats Down)
No data