The Comparative Analysis :

Aston Martin DB9 Volante Touchtronic (08 - 12) vs. BMW 640i Convertible Steptronic (15 - 18)

€ 186,700
Aston Martin DB9 Volante Touchtronic (08 - 12) Aston Martin DB9 Volante
€ 91,700
 BMW 640i Convertible Steptronic (15 - 18) BMW 640i Cabrio
€ 186,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,700

ⓘ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
Blueprint Aston Martin DB9 Volante Touchtronic (08 - 12)
73.8
81.7
53.7
Blueprint BMW 640i Convertible Steptronic (15 - 18)
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
Blueprint Aston Martin DB9 Volante Touchtronic (08 - 12)
107.9
185.4
Blueprint BMW 640i Convertible 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
4090 lb
Curb Weight
4178 lb
4751 lb
Gross Vehicle
Weight
5126 lb
Aston Martin DB9 Volante Touchtronic (08 - 12)
Weight Difference:
88 lb
2.11 %
BMW 640i Convertible 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
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
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
5.1 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

233 ft
0.000 sec

Aston Martin DB9 Volante

62 mph 62
mph

249 ft
0.000 sec

BMW 640i Cabrio

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

Fuel Economy / Emissions

Aston Martin DB9 Volante
BMW 640i Cabrio
Fuel Economy
15 mpg
combined
31 mpg
Aston Martin DB9 Volante
15 mpg
31 mpg
BMW 640i Cabrio
10 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
22.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
339 mi
Range
565 mi
Aston Martin DB9 Volante
339 mi
565 mi
BMW 640i Cabrio
Environmental Impact
295.5 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).
145.8 kWh
Aston Martin DB9 Volante
295.5 kWh
145.8 kWh
BMW 640i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
592 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)

Practical Convenience

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