2009 Pontiac G8 4-Door Sedan Specs

4-Door Sedan
MSRP based on 4-Door Sedan

Quick Specs

Gas Mileage 17 mpg City/25 mpg Hwy
Engine Gas V6, 3.6L
EPA Class Large Sedan
Style Name G8 Sedan
Drivetrain Rear Wheel Drive
Passenger Capacity 5
Passenger Doors 4
Body Style 4dr Car
Transmission Transmission, 5-speed automatic with Driver Shift Control and Sport Mode


EPA Classification Large Sedan
Weight Information
Base Curb Weight (lbs) 3885
Interior Dimensions
Passenger Capacity 5
Front Hip Room (in) 56.7
Front Leg Room (in) 42.2
Second Shoulder Room (in) 59.1
Passenger Volume (ft³) 107.0
Second Head Room (in) 38.0
Front Shoulder Room (in) 59.1
Second Hip Room (in) 58.0
Front Head Room (in) 38.7
Second Leg Room (in) 39.4
Exterior Dimensions
Wheelbase (in) 114.8
Track Width, Rear (in) 63.3
Height, Overall (in) 57.7
Length, Overall (in) 196.1
Min Ground Clearance (in) - TBD -
Track Width, Front (in) 62.7
Width, Max w/o mirrors (in) 74.8
Liftover Height (in) - TBD -
Cargo Area Dimensions
Trunk Volume (ft³) 17.5

Fuel Economy

Fuel Tank
Fuel Tank Capacity, Approx (gal) 19.0
Fuel Economy Est-Combined (MPG) 20
EPA Fuel Economy Est - City (MPG) 17
EPA Fuel Economy Est - Hwy (MPG) 25

Performance Specs

Engine Order Code LY7
SAE Net Torque @ RPM 248 @ 2100
Fuel System SFI
Engine Type Gas V6
SAE Net Horsepower @ RPM 256 @ 6300
Displacement 3.6L/217
Drivetrain Rear Wheel Drive
First Gear Ratio (:1) 3.42
Sixth Gear Ratio (:1) NA
Trans Description Cont. Automatic w/OD
Fourth Gear Ratio (:1) 1.00
Final Drive Axle Ratio (:1) 2.92
Trans Order Code M82
Second Gear Ratio (:1) 2.21
Reverse Ratio (:1) 3.02
Trans Description Cont. Again NA
Fifth Gear Ratio (:1) 0.75
Trans Type 5
Third Gear Ratio (:1) 1.60
Clutch Size (in) NA
Brake Type Pwr
Rear Brake Rotor Diam x Thickness (in) 11.89 x - TBD -
Disc - Rear (Yes or ) Yes
Brake ABS System 4-Wheel
Drum - Rear (Yes or ) NA
Front Brake Rotor Diam x Thickness (in) 11.73 x - TBD -
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) NA
Steering Type Pwr Rack & Pinion
Turning Diameter - Curb to Curb (ft) 37.4
Steering Ratio (:1), Overall - TBD -
Turning Diameter - Wall to Wall (ft) - TBD -
Lock to Lock Turns (Steering) 2.8
Front Tire Order Code R1L
Spare Tire Size Compact
Front Tire Size P245/45R18
Rear Tire Order Code R1L
Rear Tire Size P245/45R18
Spare Tire Order Code NA
Front Wheel Size (in) 18 x 8
Spare Wheel Material Steel
Front Wheel Material Aluminum
Rear Wheel Size (in) 18 x 8
Rear Wheel Material Aluminum
Spare Wheel Size (in) - TBD -
Suspension Type - Front Performance
Shock Absorber Diameter - Rear (mm) - TBD -
Suspension Type - Rear (Cont.) 4-link independent
Suspension Type - Rear Performance
Stabilizer Bar Diameter - Front (in) - TBD -
Shock Absorber Diameter - Front (mm) - TBD -
Suspension Type - Front (Cont.) MacPherson strut
Stabilizer Bar Diameter - Rear (in) - TBD -

Safety Features

Air Bag-Frontal-Driver Yes
Air Bag-Frontal-Passenger Yes
Air Bag-Passenger Switch (On/Off) No
Air Bag-Side Body-Front Yes
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front Yes
Air Bag-Side Head-Rear Yes
Brakes-ABS Yes
Child Safety Rear Door Locks Yes
Daytime Running Lights Yes
Traction Control Yes
Night Vision No
Rollover Protection Bars No
Fog Lamps Yes
Parking Aid No
Tire Pressure Monitor Yes
Back-Up Camera No
Stability Control Yes
Other Features Brakes, 4-wheel antilock, 4-wheel disc with Electronic Brake...
StabiliTrak, vehicle stability enhancement system
Traction control, all-speed, powertrain and brake modulated
Air bags, dual-stage frontal and side-impact, driver and front...
OnStar, 1-year of Safe and Sound plan. Includes Automatic Crash...
Safety belts, 3-point, all positions
LATCH system (Lower Anchors and Top tethers for CHildren), for...
Door locks, rear child security
Tire Pressure Monitoring System


Basic Miles/km 36,000
Basic Years 3
Corrosion Miles/km 100,000
Corrosion Years 6
Drivetrain Miles/km 100,000
Drivetrain Years 5
Roadside Assistance Miles/km 100,000
Roadside Assistance Years 5

Other Specs

Cooling System
Total Cooling System Capacity (qts) 10.8
Cold Cranking Amps @ 0° F (Primary) - TBD -
Maximum Alternator Capacity (amps) - TBD -
Dead Weight Hitch - Max Trailer Wt. (lbs) 2000
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA
Dead Weight Hitch - Max Tongue Wt. (lbs) 200
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA
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