Bellow is the specification of 2011 Aston Martin DB9 Coupe Auto Sport:

Brakes
Brake Type Power
Brake ABS System 4-Wheel
Brake ABS System (Second Line) N/A
Disc – Front (Yes or ) Yes
Disc – Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness 14.0 x -TBD- in
Rear Brake Rotor Diam x Thickness 13.0 x -TBD- in
Cargo Area Dimensions
Trunk Volume 5.0 ft³
Cooling System
Total Cooling System Capacity N/A qts
Electrical
Cold Cranking Amps @ 0° F (Primary) N/A
Maximum Alternator Capacity (amps) N/A
Emissions
EPA Greenhouse Gas Score 2
Engine
Engine Type Gas V12
Displacement 5.9L/362
Fuel System Electonic Fuel Injection
SAE Net Horsepower @ RPM 470 @ 6000
SAE Net Torque @ RPM 443 @ 5000
Exterior Dimensions
Wheelbase 108.0 in
Length, Overall 185.5 in
Width, Max w/o mirrors 74.0 in
Height, Overall 50.0 in
Track Width, Front 62.0 in
Track Width, Rear 61.5 in
Min Ground Clearance N/A in
Liftover Height N/A in
Fuel Tank
Fuel Tank Capacity, Approx 21.1 gal
Aux Fuel Tank Capacity, Approx N/A gal
Interior Dimensions
Passenger Capacity 4
Passenger Volume 78.0 ft³
Front Head Room N/A in
Front Leg Room N/A in
Front Shoulder Room N/A in
Front Hip Room N/A in
Second Head Room N/A in
Second Leg Room N/A in
Second Shoulder Room N/A in
Second Hip Room N/A in
Mileage
EPA Fuel Economy Est – Hwy 20 MPG
Cruising Range – City 274.30 mi
EPA Fuel Economy Est – City 13 MPG
Fuel Economy Est-Combined 15 MPG
Cruising Range – Hwy 422.00 mi
EPA MPG Equivalent – City N/A
EPA MPG Equivalent – Hwy N/A
EPA MPG Equivalent – Combined N/A
Battery Range N/A mi
Steering
Steering Type Pwr Rack & Pinion
Steering Ratio (:1), Overall N/A
Lock to Lock Turns (Steering) 3.0
Turning Diameter – Curb to Curb 39.4 ft
Turning Diameter – Wall to Wall N/A ft
Suspension
Suspension Type – Front Double Wishbone
Suspension Type – Rear Double Wishbone
Suspension Type – Front (Cont.) w/Coil Springs
Suspension Type – Rear (Cont.) w/Coil Springs
Shock Absorber Diameter – Front N/A mm
Shock Absorber Diameter – Rear N/A mm
Stabilizer Bar Diameter – Front N/A in
Stabilizer Bar Diameter – Rear N/A in
Tires
Front Tire Size P235/40ZR19
Rear Tire Size P275/35ZR19
Spare Tire Size N/A
Trailering
Transmission
Drivetrain Rear Wheel Drive
Trans Type 6
Trans Description Cont. Automatic w/Manual Shift
First Gear Ratio (:1) N/A
Second Gear Ratio (:1) N/A
Third Gear Ratio (:1) N/A
Fourth Gear Ratio (:1) N/A
Fifth Gear Ratio (:1) N/A
Sixth Gear Ratio (:1) N/A
Reverse Ratio (:1) N/A
Final Drive Axle Ratio (:1) 3.15
Vehicle
EPA Classification Minicompact
Weight Information
Base Curb Weight 3880 lbs
Wheels
Front Wheel Size 19 x 8.5 in
Rear Wheel Size 19 x 9.5 in
Spare Wheel Size N/A in
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material N/A

For review you can visit the article on of 2011 Aston Martin DB9  review.