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

SE 4dr Sedan SE


Brake Type Power
Drum - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes
Brake ABS System 4-Wheel
Disc - Rear (Yes or )
Front Brake Rotor Diam x Thickness (in) 10.8 x 1.27
Rear Drum Diam x Width (in) 8.9 x 1.77
Rear Brake Rotor Diam x Thickness (in)

Cargo Area Dimensions

Trunk Volume (ft³) 18.0

Cooling System

Total Cooling System Capacity (qts) 12.5


Maximum Alternator Capacity (amps) 140
Cold Cranking Amps @ 0° F (Primary) 690
Cold Cranking Amps @ 0° F (Primary) 770


SAE Net Torque @ RPM 280 @ 3200
Engine Order Code L67
Engine Order Code L36
Engine Type Gas V6
Displacement 3.8L/231
Fuel System Supercharged SFI
Fuel System SFI
SAE Net Horsepower @ RPM 240 @ 5200
SAE Net Horsepower @ RPM 205 @ 5200
SAE Net Torque @ RPM 230 @ 4000

Exterior Dimensions

Wheelbase (in) 110.8
Liftover Height (in) 27.6
Min Ground Clearance (in) 5.3
Track Width, Rear (in) 60.3
Track Width, Front (in) 60.4
Height, Overall (in) 55.7
Width, Max w/o mirrors (in) 74.5
Length, Overall (in) 200.5

Fuel Tank

Fuel Tank Capacity, Approx (gal) 18.0

Interior Dimensions

Second Head Room (in) 38.3
Front Shoulder Room (in) 59.8
Front Hip Room (in) 57.2
Front Leg Room (in) 42.6
Front Head Room (in) 39.2
Passenger Volume (ft³) 108.8
Passenger Capacity 5
Passenger Capacity 6
Second Hip Room (in) 57.1
Second Shoulder Room (in) 59.4
Second Leg Room (in) 38.0


EPA Fuel Economy Est - City (MPG) 19
EPA Fuel Economy Est - City (MPG) 18
EPA Fuel Economy Est - Hwy (MPG) 27
EPA Fuel Economy Est - Hwy (MPG) 28


Steering Type Pwr Rack & Pinion
Lock to Lock Turns (Steering) 2.8
Turning Diameter - Curb to Curb (ft) 40.5
Turning Diameter - Wall to Wall (ft) 44.0
Lock to Lock Turns (Steering) 2.9
Steering Ratio (:1), Overall 16.5
Steering Ratio (:1), Overall 14.9 - 18.9
Steering Type Variable-Effort Pwr Rack & Pinion


Vehicle Name Pontiac Bonneville
Body Style 4 Door Sedan


Stabilizer Bar Diameter - Rear (in) 0.67
Stabilizer Bar Diameter - Front (in) 1.18
Shock Absorber Diameter - Rear (mm) 35
Shock Absorber Diameter - Front (mm) 35
Suspension Type - Rear (Cont.) w/Coil Springs
Suspension Type - Front (Cont.) w/Coil Springs
Suspension Type - Rear Chapman Strut
Suspension Type - Front MacPherson Strut


Rear Tire Size P215/65R15
Front Tire Order Code QNX
Spare Tire Size T125/70D15
Spare Tire Size T135/70R15
Front Tire Order Code QPH
Rear Tire Order Code QNX
Rear Tire Order Code QPH
Spare Tire Order Code
Front Tire Size P225/60R16
Front Tire Size P215/65R15
Rear Tire Size P225/60R16


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


Seventh Gear Ratio (:1)
Reverse Ratio (:1) 2.39
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.70
Fourth Gear Ratio (:1) 0.71
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.56
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
Drivetrain Front Wheel Drive
Final Drive Axle Ratio (:1) 2.84
Final Drive Axle Ratio (:1) 3.06
Clutch Size (in)
Reverse Ratio (:1) 2.38


EPA Classification Large

Weight Information

Base Curb Weight (lbs) 3446


Rear Wheel Material Chrome
Front Wheel Material Steel
Front Wheel Material Aluminum
Front Wheel Material Chrome
Spare Wheel Size (in) 15 x 4
Rear Wheel Material Steel
Rear Wheel Size (in) 16 x 7
Front Wheel Size (in) 15 x 6
Front Wheel Size (in) 16 x 7
Spare Wheel Material Steel
Rear Wheel Size (in) 15 x 6
Rear Wheel Material Aluminum