The Comparative Analysis :
BMW 630i Convertible (07 - 10) vs. Aston Martin DB9 Volante Tiptronic (04 - 06)
€ 78,900

€ 161,200

€ 78,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 161,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The BMW 630i Cabrio is 4.3 inches longer, 0.8 inches narrower and 4.1 inches taller than the Aston Martin DB9 Volante.
BMW 630i Cabrio
Aston Martin DB9 Volante
54.1
73
80.2
50
73.8
81.7
73 in
Width
73.8 in
80.2 in
Width Incl. Mirrors
81.7 in
54.1 in
Height
50 in
109.4
189.8
107.9
185.4
189.8 in
Length
185.4 in
109.4 in
Wheelbase
107.9 in
Vehicle Weight
BMW 630i Cabrio
Aston Martin DB9 Volante
4001 lb
Curb Weight
3968 lb
4718 lb
Gross Vehicle
Weight
Weight
No data

Weight Difference:
33 lb
0.82 %

General
BMW 630i Cabrio
Aston Martin DB9 Volante
E64
Generation
VH1
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed automatic transmission
Engine
BMW 630i Cabrio
Aston Martin DB9 Volante
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine (naturally aspirated engine)
BMW N53
Engine Series
N53-B30
Engine Code
AM04

4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
268 hp
at 6700 rpm
Power
444 hp
at 6000 rpm
BMW 630i Cabrio
268 hp
444 hp
Aston Martin DB9 Volante
236 lb‑ft
at 2750 rpm
Max. Torque
420 lb‑ft
at 5000 rpm
BMW 630i Cabrio
236 lb‑ft
420 lb‑ft
Aston Martin DB9 Volante
Performance
BMW 630i Cabrio
Aston Martin DB9 Volante
155 mph
Maximum Speed
186 mph
6.7 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
305 ft
0.000 sec

BMW 630i Cabrio
62 mph
62
mph
mph
233 ft
0.000 sec

Aston Martin DB9 Volante
▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
8.94 lb/hp
BMW 630i Cabrio
14.93 lb/hp
8.94 lb/hp
Aston Martin DB9 Volante
Fuel Economy / Emissions
BMW 630i Cabrio
Aston Martin DB9 Volante
Fuel Economy
28 mpg
combined
14 mpg
BMW 630i Cabrio
28 mpg
14 mpg
Aston Martin DB9 Volante
20 mpg
city
9 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
21.1 gal
524 mi
Range
301 mi
BMW 630i Cabrio
524 mi
301 mi
Aston Martin DB9 Volante
Environmental Impact
157.2 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).
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 630i Cabrio
157.2 kWh
312.5 kWh
Aston Martin DB9 Volante
Euro 4
Emission Standard
Euro 3
319 g/mi (NEFZ)
CO2 Emissions
634 g/mi (NEFZ)
Practical Convenience
BMW 630i Cabrio
Aston Martin DB9 Volante
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
No data
9.9 cu ft
Trunk Volume
No data




No data
Cargo Volume (Seats Down)
No data