The Comparative Analysis :

Aston Martin DB9 Volante (06 - 08) vs. BMW 640i Convertible xDrive Steptronic (15 - 18)

€ 172,800
Aston Martin DB9 Volante (06 - 08) Aston Martin DB9 Volante
€ 95,100
 BMW 640i Convertible xDrive Steptronic (15 - 18) BMW 640i Cabrio
€ 172,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,100

ⓘ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
Blueprint Aston Martin DB9 Volante (06 - 08)
73.8
81.7
53.7
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
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
Blueprint Aston Martin DB9 Volante (06 - 08)
107.9
185.4
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
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
3770 lb
Curb Weight
4332 lb
4751 lb
Gross Vehicle
Weight
5269 lb
Aston Martin DB9 Volante (06 - 08)
Weight Difference:
562 lb
12.97 %
BMW 640i Convertible xDrive Steptronic (15 - 18)

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
AM04
Engine Code
N55-B30
4
Valves
4
12
Cylinders
6
5.9 L / 289 cu in
Displacement
3 L / 147 cu in
450 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
Aston Martin DB9 Volante
450 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
165 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

223 ft
0.000 sec

Aston Martin DB9 Volante

62 mph 62
mph

246 ft
0.000 sec

BMW 640i Cabrio

▶ REPLAY
8.38 lb/hp
Weight-to-Power Ratio
13.71 lb/hp
Aston Martin DB9 Volante
8.38 lb/hp
13.71 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
9 mpg
city
21 mpg
No data
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
301 mi
Range
531 mi
Aston Martin DB9 Volante
301 mi
531 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).
155.3 kWh
Aston Martin DB9 Volante
312.5 kWh
155.3 kWh
BMW 640i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
634 g/mi (NEFZ)
CO2 Emissions
307 g/mi (NEFZ)

Practical Convenience

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