The Comparative Analysis :
BMW 640i Coupé Automatic (11 - 13) vs. Aston Martin DB9 Coupé (06 - 08)
€ 75,300

€ 158,900

€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 158,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is considerably bigger in every dimension. It's 7.2 inches longer, 0.7 inches wider and 3.9 inches taller than the Aston Martin DB9 Coupé.
BMW 640i Coupé
Aston Martin DB9 Coupé
53.9
74.6
81.9
50
73.8
81.7
74.6 in
Width
73.8 in
81.9 in
Width Incl. Mirrors
81.7 in
53.9 in
Height
50 in
112.4
192.7
107.9
185.4
192.7 in
Length
185.4 in
112.4 in
Wheelbase
107.9 in
Vehicle Weight
BMW 640i Coupé
Aston Martin DB9 Coupé
3825 lb
Curb Weight
3770 lb
4806 lb
Gross Vehicle
Weight
Weight
4542 lb

Weight Difference:
55 lb
1.44 %

General
BMW 640i Coupé
Aston Martin DB9 Coupé
F13
Generation
VH1
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW 640i Coupé
Aston Martin DB9 Coupé
Straight-six gasoline engine with turbocharger
Engine Type
V12 gasoline engine (naturally aspirated engine)
BMW N55
Engine Series
N55-B30
Engine Code
AM04

4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
5.9 L / 289 cu in
316 hp
at 5800 rpm
Power
450 hp
at 6000 rpm
BMW 640i Coupé
316 hp
450 hp
Aston Martin DB9 Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
420 lb‑ft
at 5000 rpm
BMW 640i Coupé
332 lb‑ft
420 lb‑ft
Aston Martin DB9 Coupé
Performance
BMW 640i Coupé
Aston Martin DB9 Coupé
155 mph
Maximum Speed
186 mph
5.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW 640i Coupé
62 mph
62
mph
mph
223 ft
0.000 sec

Aston Martin DB9 Coupé
▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
8.38 lb/hp
BMW 640i Coupé
12.1 lb/hp
8.38 lb/hp
Aston Martin DB9 Coupé
Fuel Economy / Emissions
BMW 640i Coupé
Aston Martin DB9 Coupé
Fuel Economy
31 mpg
combined
13 mpg
BMW 640i Coupé
31 mpg
13 mpg
Aston Martin DB9 Coupé
23 mpg
city
9 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
21.1 gal
572 mi
Range
279 mi
BMW 640i Coupé
572 mi
279 mi
Aston Martin DB9 Coupé
Environmental Impact
144 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).
337.2 kWh
BMW 640i Coupé
144 kWh
337.2 kWh
Aston Martin DB9 Coupé
Euro 5
Emission Standard
Euro 4
285 g/mi (NEFZ)
CO2 Emissions
678 g/mi (NEFZ)
Practical Convenience
BMW 640i Coupé
Aston Martin DB9 Coupé
2
Doors
3
4
No. of Seats
4
981 lb
Maximum Payload
772 lb
13 cu ft
Trunk Volume
4.4 cu ft








No data
Cargo Volume (Seats Down)
No data