The Comparative Analysis :
BMW 635d Convertible Sport-Automatic (07 - 10) vs. Aston Martin DB9 Volante Touchtronic (13 - 15)
€ 85,200

€ 193,000

€ 85,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 193,000
ⓘ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 635d Cabrio is 3.9 inches longer, 0.8 inches narrower and 4.4 inches taller than the Aston Martin DB9 Volante.
BMW 635d Cabrio
Aston Martin DB9 Volante
54.1
73
80.2
49.6
73.8
81.7
73 in
Width
73.8 in
80.2 in
Width Incl. Mirrors
81.7 in
54.1 in
Height
49.6 in
109.4
189.8
107.9
185.8
189.8 in
Length
185.8 in
109.4 in
Wheelbase
107.9 in
Vehicle Weight
BMW 635d Cabrio
Aston Martin DB9 Volante
4266 lb
Curb Weight
4090 lb
4982 lb
Gross Vehicle
Weight
Weight
4751 lb

Weight Difference:
176 lb
4.13 %

General
BMW 635d Cabrio
Aston Martin DB9 Volante
E64
Generation
VH1
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 635d Cabrio
Aston Martin DB9 Volante
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine (naturally aspirated engine)
BMW M57
Engine Series
M57-D30
Engine Code
AM11

4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
282 hp
at 4400 rpm
Power
510 hp
at 6500 rpm
BMW 635d Cabrio
282 hp
510 hp
Aston Martin DB9 Volante
428 lb‑ft
at 1750 rpm
Max. Torque
457 lb‑ft
at 5500 rpm
BMW 635d Cabrio
428 lb‑ft
457 lb‑ft
Aston Martin DB9 Volante
Performance
BMW 635d Cabrio
Aston Martin DB9 Volante
155 mph
Maximum Speed
183 mph
6.6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
302 ft
0.000 sec

BMW 635d Cabrio
62 mph
62
mph
mph
210 ft
0.000 sec

Aston Martin DB9 Volante
▶ REPLAY
15.13 lb/hp
Weight-to-Power Ratio
8.02 lb/hp
BMW 635d Cabrio
15.13 lb/hp
8.02 lb/hp
Aston Martin DB9 Volante
Fuel Economy / Emissions
BMW 635d Cabrio
Aston Martin DB9 Volante
Fuel Economy
33 mpg
combined
16 mpg
BMW 635d Cabrio
33 mpg
16 mpg
Aston Martin DB9 Volante
25 mpg
city
11 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
20.6 gal
604 mi
Range
332 mi
BMW 635d Cabrio
604 mi
332 mi
Aston Martin DB9 Volante
Environmental Impact
148.1 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).
276.6 kWh
BMW 635d Cabrio
148.1 kWh
276.6 kWh
Aston Martin DB9 Volante
Euro 4
Emission Standard
Euro 5
306 g/mi (NEFZ)
CO2 Emissions
555 g/mi (NEFZ)
Practical Convenience
BMW 635d Cabrio
Aston Martin DB9 Volante
2
Doors
2
4
No. of Seats
4
717 lb
Maximum Payload
661 lb
9.9 cu ft
Trunk Volume
3.9 cu ft





No data
Cargo Volume (Seats Down)
No data