The Comparative Analysis :

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

€ 95,900
BMW 640d Convertible Steptronic (15 - 18) BMW 640d Cabrio
€ 172,800
 Aston Martin DB9 Volante (06 - 08) Aston Martin DB9 Volante
€ 95,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 172,800

ⓘ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 3.7 inches taller than the Aston Martin DB9 Volante.
BMW 640d Cabrio
Aston Martin DB9 Volante
53.7
Blueprint BMW 640d Convertible Steptronic (15 - 18)
74.6
81.9
50
Blueprint Aston Martin DB9 Volante (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 640d Convertible Steptronic (15 - 18)
112.4
192.7
Blueprint Aston Martin DB9 Volante (06 - 08)
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
3770 lb
5214 lb
Gross Vehicle
Weight
4751 lb
BMW 640d Convertible Steptronic (15 - 18)
Weight Difference:
496 lb
11.63 %
Aston Martin DB9 Volante (06 - 08)

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 manual 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
AM04
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
309 hp
at 4400 rpm
Power
450 hp
at 6000 rpm
BMW 640d Cabrio
309 hp
450 hp
Aston Martin DB9 Volante
465 lb‑ft
at 1500 rpm
Max. Torque
420 lb‑ft
at 5000 rpm
BMW 640d Cabrio
465 lb‑ft
420 lb‑ft
Aston Martin DB9 Volante

Performance

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

249 ft
0.000 sec

BMW 640d Cabrio

62 mph 62
mph

223 ft
0.000 sec

Aston Martin DB9 Volante

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

Fuel Economy / Emissions

BMW 640d Cabrio
Aston Martin DB9 Volante
Fuel Economy
42 mpg
combined
14 mpg
BMW 640d Cabrio
42 mpg
14 mpg
Aston Martin DB9 Volante
36 mpg
city
9 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
777 mi
Range
301 mi
BMW 640d Cabrio
777 mi
301 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).
312.5 kWh
BMW 640d Cabrio
115.2 kWh
312.5 kWh
Aston Martin DB9 Volante
Euro 6b (NEFZ)
Emission Standard
Euro 4
240 g/mi (NEFZ)
CO2 Emissions
634 g/mi (NEFZ)

Practical Convenience

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