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Engine
Type/layout 3.8L V6, DOHC Gasoline Direct Injection (GDI) 3.8L V6, DOHC Gasoline Direct Injection (GDI) 5.0L V8, DOHC Gasoline Direct Injection (GDI)
Displacement (cc) 3,778 (cc) 3,778 (cc) 5,038 (cc)
Bore x stroke (mm) 96.0 x 87.0 mm 96.0 x 87.0 mm 96.0 x 87.0 mm
Compression ratio 11.5:1 11.5:1 11.5:1
Horsepower 311 hp @ 6,000 rpm 311 hp @ 6,000 rpm 420 hp @ 6,400 rpm
Torque 293 lb. ft. @ 5,000 rpm 293 lb. ft. @ 5,000 rpm 376 lb. ft. @ 5,000 rpm
Fuel Injection System Gasoline Direct Injection (GDI) Gasoline Direct Injection (GDI) Gasoline Direct Injection (GDI)
Valve System Double overhead camshaft Mechanical valve lash adjuster Double overhead camshaft Mechanical valve lash adjuster Double overhead camshaft Hydrauric valve lash adjuster
Cooling System Liquid cooled circulation, centrifugal accessory belt driven water pump Liquid cooled circulation, centrifugal accessory belt driven water pump Liquid cooled circulation, centrifugal accessory belt driven water pump
Emission Control System Gasoline Unleaded Fuel Gasoline Unleaded Fuel Gasoline Unleaded Fuel
Lubrication System Variable Vane Type Oil Pump, Full Flow Oil Filter Variable Vane Type Oil Pump, Full Flow Oil Filter Rotor Type Oil Pump, Full Flow Oil Filter
Fuel tank capacity (gal.) 19.8 gallons 19.8 gallons 19.8 gallons
Drivetrain
Transmission Gear Ratios: 8-speed automatic transmission - - -
First 3.665:1 3.665:1 3.795:1
Second 2.396:1 2.396:1 2.473:1
Third 1.610:1 1.610:1 1.613:1
Fourth 1.190:1 1.190:1 1.177:1
Fifth 1.000:1 1.000:1 1.000:1
Sixth 0.826:1 0.826:1 0.831:1
Seventh 0.643:1 0.643:1 0.652:1
Eighth 0.556:1 0.556:1 0.571:1
Reverse 2.273:1 2.273:1 2.467:1
Final gear ratio 3.909:1 3.909:1 3.538:1
Layout/drive Front engine, rear-wheel drive Front engine, rear-wheel drive Front engine, rear-wheel drive
Exterior Dimensions
Wheelbase (in.) 119.9 in. 119.9 in. 119.9 in.
Length (in.) 200.6 in. 200.6 in. 200.6 in.
Width (in.) 74.8 in. 74.8 in. 74.8 in.
Height (in.) 58.5 in. 58.5 in. 58.5 in.
Overhang, front/rear (in.) 34.6 in. / 46.1 in. 34.6 in. / 46.1 in. 34.6 in. / 46.1 in.
Interior Dimensions
Head room - - -
Front (in.) 40.2 in. 40.2 in. 40.2 in.
Rear (in.) 37.6 in. 37.6 in. 37.6 in.
Leg room - - -
Front (in.) 45.9 in. 45.9 in. 45.9 in.
Rear (in.) 38.2 in. 38.2 in. 38.2 in.
Shoulder room - - -
Front (in.) 59.1 in. 59.1 in. 59.1 in.
Rear (in.) 57.2 in. 57.2 in. 57.2 in.
Hip room - - -
Front (in.) 55.9 in. 55.9 in. 55.9 in.
Rear (in.) 55.7 in. 55.7 in. 55.7 in.
Trunk cargo capacity (cu. ft.) 15.9 cu. ft. 15.9 cu. ft. 15.9 cu. ft.
Chassis/Suspension
Body type Steel unibody Steel unibody Steel unibody
Front suspension Multi-link type Multi-link type Multi-link type
Rear suspension Multi-link type Multi-link type Multi-link type
Steering
Type / Power source Electro-Hydraulic Power Steering (EHPS) Electro-Hydraulic Power Steering (EHPS) Electro-Hydraulic Power Steering (EHPS)
Overall steering gear ratio 15.8:1 15.8:1 15.8:1
Brakes
Type front/rear Disc Disc Disc
Size (in.) front/rear 13.6 in. / 12.4 in. 13.6 in. / 12.4 in. 14.2 in. / 12.4 in.
Parking brake Electronic Parking Brake Electronic Parking Brake Electronic Parking Brake
Wheels/Tires
Wheel size, front/rear (in.) 7.5J x 18.0 7.5J x 18.0 8.0J x 19.0 / 9.0J x 19.0
Tire size, front/rear 245/50R18 245/50R18 245/45R19 / 275/40R19
Curb Weight
8-speed Automatic Transmission - - -
Automatic transmission (min/max) 4,297 lbs. / 4,376 lbs. 4,297 lbs. / 4,376 lbs. 4,610 lbs. / 4,700 lbs.
Estimated Fuel Economy
Automatic transmission, city/highway/combined (mpg) 17/25/20 17/25/20 15/23/18