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2009 Chevrolet Impala Specifications

 Impala 3.5L Impala 3.9L Impala 5.3L
General 
Driven WheelsFWD
Chassis TypeUnitized Body/Frame
Engine 
PowertrainInternal Combustion
PositionFront
ConfigurationV
Cylinders68
Fuel TypeGasoline / EthanolGasoline - Premium
Displacement (cc)351038805327
Max. Power (bhp)211224303
Max. Power @RPM580057005600
Max. Torque (lbft)214235323
Max. Torque @RPM400032004000
Comp. Ratio9.810.1
Transmission 
Transmission TypeAutomatic
# Gears (excl Rev)4
Ratios2.92 / 1.56 / 1.00 / 0.70
Reverse Gear Ratio2.38
Final Drive Ratio2.863.29
Steering 
Steering TypeRack-and-Pinion
Steering Ratio13.3
Suspension 
Type - Front SuspensionMacPherson strut/lower arm
Type - Rear SuspensionIndependent
Brakes 
Type - Front BrakesVented Disc
Type - Rear BrakesDisc
ABSOptStd
Wheels/Tires 
Tire Size F/R225/60R16225/50R17235/50R18
Vehicle Dimensions 
Curb Weight (lb)355536493711
Front Track (in)62.4
Rear Track (in)61.5
Height (in)58.7
Length (in)200.4
Wheelbase (in)110.5
Width (in)72.9
Interior Specs 
Head Rm F (in)39.4
Head Rm 2nd (in)37.8
Shlder Rm F (in)58.7
Shlder Rm 2nd (in)58.6
Hip Room F (in)56.4
Hip Room 2nd (in)57.2
Leg Room F (in)42.3
Leg Room 2nd (in)37.6
Seating Positions F2
Seating Positions 2nd3
Cargo Volume (cu ft)18.6
Passenger Volume (SAE) Total (cu ft)104.5
Overall Int. Vol. (cu ft)123.1
Fuel Economy 
EPA City (mpg)18TBD16
EPA Hwy (mpg)29TBD24