Research 1999 Pontiac Grand Am specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

SE 2dr Coupe SE


Brake ABS System 4-Wheel
Drum - Rear (Yes or ) Yes
Rear Drum Diam x Width (in) 7.9 x 1.8
Front Brake Rotor Diam x Thickness (in) 10.8 x 1.0
Brake Type Power
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in)

Cargo Area Dimensions

Trunk Volume (ft³) 14.3

Cooling System

Total Cooling System Capacity (qts) 13.1
Total Cooling System Capacity (qts) 10.4


Maximum Alternator Capacity (amps) 105
Cold Cranking Amps @ 0° F (Primary) 600


SAE Net Horsepower @ RPM 150 @ 5600
SAE Net Torque @ RPM 155 @ 4400
Engine Order Code LA1
Engine Order Code LD9
Engine Type Gas V6
Engine Type Gas 4-Cyl
Displacement 3.4L/207
Displacement 2.4L/146
Fuel System SFI
SAE Net Horsepower @ RPM 170 @ 5200
SAE Net Torque @ RPM 195 @ 4000

Exterior Dimensions

Length, Overall (in) 186.3
Liftover Height (in) 30.4
Min Ground Clearance (in) 4.4
Track Width, Rear (in) 59.1
Track Width, Front (in) 59.0
Height, Overall (in) 55.1
Width, Max w/o mirrors (in) 70.4
Wheelbase (in) 107.0

Fuel Tank

Fuel Tank Capacity, Approx (gal) 15.2

Interior Dimensions

Front Leg Room (in) 42.1
Front Head Room (in) 38.3
Passenger Volume (ft³) 93.0
Second Head Room (in) 37.2
Second Leg Room (in) 35.5
Second Shoulder Room (in) 55.0
Second Hip Room (in) 49.3
Passenger Capacity 5
Front Shoulder Room (in) 53.7
Front Hip Room (in) 52.4


EPA Fuel Economy Est - Hwy (MPG) 30
EPA Fuel Economy Est - Hwy (MPG) 28
EPA Fuel Economy Est - City (MPG) 22
EPA Fuel Economy Est - City (MPG) 20


Steering Type Power Rack & Pinion
Steering Type Variable-Effort Power Rack & Pinion
Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 37.7
Lock to Lock Turns (Steering) 2.5
Steering Ratio (:1), Overall 14.7


Vehicle Name Pontiac Grand Am
Body Style 2 Door Coupe


Suspension Type - Rear Independent
Suspension Type - Front Independent
Stabilizer Bar Diameter - Rear (in) 0.60
Stabilizer Bar Diameter - Front (in) 0.94
Shock Absorber Diameter - Rear (mm) 25
Shock Absorber Diameter - Front (mm) 32
Suspension Type - Rear (Cont.) Tri-Link
Suspension Type - Front (Cont.) MacPherson Strut


Front Tire Order Code QCD
Spare Tire Order Code
Rear Tire Order Code QCD
Rear Tire Size P215/60R15
Spare Tire Size T115/70D15
Front Tire Size P215/60R15


Dead Weight Hitch - Max Trailer Wt. (lbs) 1000
Dead Weight Hitch - Max Tongue Wt. (lbs) 100
Wt Distributing Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs)


Seventh Gear Ratio (:1)
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.57
First Gear Ratio (:1) 2.92
Trans Description Cont. Again Electronic
Trans Description Cont. Automatic w/OD,
Trans Type 4
Trans Order Code MX0
Drivetrain Front Wheel Drive
Final Drive Axle Ratio (:1) 3.42
Final Drive Axle Ratio (:1) 3.05
Clutch Size (in)
Reverse Ratio (:1) 2.13
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.71


EPA Classification Compact

Weight Information

Base Curb Weight (lbs) 3066


Front Wheel Material Steel
Spare Wheel Size (in) 15 x 4
Rear Wheel Size (in) 15 x 6.0
Spare Wheel Material Steel
Front Wheel Size (in) 15 x 6.0
Rear Wheel Material Steel