2009 Buick Lucerne Specifications

	Lucerne 3.9L	Lucerne 4.6L
General
Driven Wheels	FWD
Chassis Type	Unitized Body/Frame
Engine
Powertrain	Internal Combustion
Position	Front
Configuration	V
Block Material	cast iron	cast aluminum
Head Material	cast aluminum	aluminum
Cylinders	6	8
Fuel Type	Gasoline	Gasoline - Premium
Displacement (cc)	3880	4565
Bore (mm)	99	93
Stroke (mm)	84
Max. Power (bhp)	227	292
Max. Power @RPM	5700	6300
Max. Torque (lbft)	237	288
Max. Torque @RPM	3200	4500
Comp. Ratio	9.8	10.1
Transmission
Transmission Type	Automatic
# Gears (excl Rev)	4
Steering
Steering Ratio	15.1	14.2
Turns Lock-to-Lock	2.8	2.1
Turning Circle (ft)	42.2	44
Suspension
Type - Front Suspension	MacPherson strut/lower arm
Type - Rear Suspension	Multilink
Brakes
Type - Front Brakes	Vented Disc
Type - Rear Brakes	Disc
ABS	Std
Wheels/Tires
Tire Size F/R	235/55R17	245/50R18
Capacities
Fuel Capacity (gallons) (gal)	18.5
Vehicle Dimensions
Curb Weight (lb)	3764	4004
Front Track (in)	62.6
Rear Track (in)	62.1
Height (in)	58
Length (in)	203
Wheelbase (in)	115.6
Width (in)	73.8
Interior Specs
Head Rm F (in)	39.5
Head Rm 2nd (in)	37.6
Shlder Rm F (in)	58
Shlder Rm 2nd (in)	57.0
Hip Room F (in)	56.7
Hip Room 2nd (in)	57.0
Leg Room F (in)	42.5
Leg Room 2nd (in)	41
Seating Positions F	2
Seating Positions 2nd	3
Cargo Volume (cu ft)	17
Passenger Volume (SAE) Total (cu ft)	108
Overall Int. Vol. (cu ft)	125
Fuel Economy
EPA City (mpg)	17	15
EPA Hwy (mpg)	26	22