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1999 GMC Suburban Photo

1500 Performance Specs

Switch Style

Body Style

Drivetrain

Style MPG City MPG Hwy Invoice MSRP
1500 14 18 $22,609 $25,839
1500 4WD 13 17 $25,234 $28,839
2500 N/A N/A $23,995 $27,423
2500 4WD N/A N/A $26,620 $30,423
Engine
Engine Oil Cooler NA
SAE Net Horsepower @ RPM 255 @ 4600
Displacement 5.7L/350
Engine Order Code L31
SAE Net Torque @ RPM 330 @ 2800
Fuel System SFI
Engine Type Gas V8
Transmission
Second Gear Ratio (:1) 1.63
Reverse Ratio (:1) 2.29
Transfer Case Gear Ratio (:1), High NA
Trans Description Cont. Again Electronic
Fifth Gear Ratio (:1) NA
Trans PTO Access NA
Seventh Gear Ratio (:1) NA
Trans Type 4
Third Gear Ratio (:1) 1.00
Clutch Size (in) NA
Transfer Case Gear Ratio (:1), Low NA
Drivetrain Rear Wheel Drive
First Gear Ratio (:1) 3.06
Sixth Gear Ratio (:1) NA
Transfer Case Model NA
Trans Description Cont. Automatic w/OD,
Fourth Gear Ratio (:1) 0.70
Trans Power Take Off NA
Transfer Case Power Take Off NA
Trans Order Code M30
Brakes
Rear Brake Rotor Diam x Thickness (in) NA
Disc - Rear (Yes or ) NA
Brake ABS System (Second Line) NA
Drum - Rear (Yes or ) Yes
Brake Type Power
Front Brake Rotor Diam x Thickness (in) 11.57 x 1.25
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) 11.15 x 2.75
Brake ABS System 4-Wheel
Steering
Turning Diameter - Wall to Wall (ft) 48.1
Steering Ratio (:1), At Lock 15.6
Steering Type Speed-Sensitive Power
Turning Diameter - Curb to Curb (ft) 43.7
Steering Ratio (:1), On Center 16.5
Tires
Front Tire Capacity (lbs) 1763
Revolutions/Mile @ 45 mph - Spare 721
Rear Tire Size P235/75R15
Revolutions/Mile @ 45 mph - Front 721
Spare Tire Order Code QHA
Rear Tire Capacity (lbs) 1984
Front Tire Order Code QHA
Spare Tire Size P235/75R15
Revolutions/Mile @ 45 mph - Rear 721
Front Tire Size P235/75R15
Spare Tire Capacity (lbs) 1984
Rear Tire Order Code QHA
Wheels
Rear Wheel Material Steel
Spare Wheel Size (in) 15 x 7.0
Front Wheel Size (in) 15 x 7.0
Spare Wheel Material Steel
Front Wheel Material Steel
Rear Wheel Size (in) 15 x 7.0
Suspension
Axle Capacity - Front (lbs) 3400
Shock Absorber Diameter - Rear (mm) 32
Axle Type - Front Independent
Axle Ratio (:1) - Rear 3.42
Spring Capacity - Front (lbs) 2950
Axle Capacity - Rear (lbs) 4000
Stabilizer Bar Diameter - Front (in) 1.25
Suspension Type - Front Indep Coil Spring
Axle Type - Rear Semi-Floating
Shock Absorber Diameter - Front (mm) 32
Spring Capacity - Rear (lbs) 4000
Axle Ratio (:1) - Front NA
Stabilizer Bar Diameter - Rear (in) NA
Suspension Type - Rear 2-Stage Multi-Leaf
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