The Comparative Analysis :

BMW 640d Convertible Steptronic (11 - 14) vs. Aston Martin DB9 Volante Touchtronic (08 - 12)

€ 87,400
BMW 640d Convertible Steptronic (11 - 14) BMW 640d Cabrio
€ 186,700
 Aston Martin DB9 Volante Touchtronic (08 - 12) Aston Martin DB9 Volante
€ 87,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 186,700

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

Vehicle Dimensions

The BMW 640d Cabrio is considerably bigger in every dimension. It's 7.2 inches longer, 0.7 inches wider and 4.1 inches taller than the Aston Martin DB9 Volante.
BMW 640d Cabrio
Aston Martin DB9 Volante
53.7
Blueprint BMW 640d Convertible Steptronic (11 - 14)
74.6
81.9
49.6
Blueprint Aston Martin DB9 Volante Touchtronic (08 - 12)
73.8
81.7
74.6 in
Width
73.8 in
81.9 in
Width Incl. Mirrors
81.7 in
53.7 in
Height
49.6 in
Blueprint BMW 640d Convertible Steptronic (11 - 14)
112.4
192.7
Blueprint Aston Martin DB9 Volante Touchtronic (08 - 12)
107.9
185.4
192.7 in
Length
185.4 in
112.4 in
Wheelbase
107.9 in

Vehicle Weight

BMW 640d Cabrio
Aston Martin DB9 Volante
4266 lb
Curb Weight
4090 lb
5159 lb
Gross Vehicle
Weight
4751 lb
BMW 640d Convertible Steptronic (11 - 14)
Weight Difference:
176 lb
4.13 %
Aston Martin DB9 Volante Touchtronic (08 - 12)

General

BMW 640d Cabrio
Aston Martin DB9 Volante
F12
Generation
VH1
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW 640d Cabrio
Aston Martin DB9 Volante
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N57
Engine Series
N57-D30
Engine Code
AM09
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
309 hp
at 4400 rpm
Power
470 hp
at 6000 rpm
BMW 640d Cabrio
309 hp
470 hp
Aston Martin DB9 Volante
465 lb‑ft
at 1500 rpm
Max. Torque
443 lb‑ft
at 5000 rpm
BMW 640d Cabrio
465 lb‑ft
443 lb‑ft
Aston Martin DB9 Volante

Performance

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

256 ft
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

233 ft
0.000 sec

Aston Martin DB9 Volante

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

Fuel Economy / Emissions

BMW 640d Cabrio
Aston Martin DB9 Volante
Fuel Economy
42 mpg
combined
15 mpg
BMW 640d Cabrio
42 mpg
15 mpg
Aston Martin DB9 Volante
35 mpg
city
10 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
22.5 gal
Kraftstoffanzeige
777 mi
Range
339 mi
BMW 640d Cabrio
777 mi
339 mi
Aston Martin DB9 Volante
Environmental Impact
115.2 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).
295.5 kWh
BMW 640d Cabrio
115.2 kWh
295.5 kWh
Aston Martin DB9 Volante
Euro 5
Emission Standard
Euro 5
237 g/mi (NEFZ)
CO2 Emissions
592 g/mi (NEFZ)

Practical Convenience

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