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1999 GMC Sierra Classic 1500 Photo

Ext Cab 141.5" WB Performance Specs

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Body Style

Drivetrain

Other

Style MPG City MPG Hwy Invoice MSRP
Ext Cab 141.5" WB 15 19 $19,946 $22,796
Ext Cab 141.5" WB 4WD 14 18 $22,702 $25,946
Engine
Engine Type Gas V8
Engine Oil Cooler NA
SAE Net Horsepower @ RPM 230 @ 4600
Displacement 5.0L/305
Engine Order Code L30
SAE Net Torque @ RPM 285 @ 2800
Fuel System SFI
Transmission
Fourth Gear Ratio (:1) 0.70
Trans Power Take Off NA
Transfer Case Power Take Off NA
Trans Order Code M30
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,
Brakes
Rear Drum Diam x Width (in) 10.0 x 2.25
Brake ABS System Four Wheel
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
Steering
Steering Ratio (:1), On Center 16.5
Turning Diameter - Wall to Wall (ft) 50.9
Steering Ratio (:1), At Lock 15.6
Steering Type Power
Turning Diameter - Curb to Curb (ft) 46.6
Tires
Spare Tire Capacity (lbs) 1843
Rear Tire Order Code YFL
Front Tire Capacity (lbs) 1843
Revolutions/Mile @ 45 mph - Spare 722
Rear Tire Size P235/75R15
Revolutions/Mile @ 45 mph - Front 722
Spare Tire Order Code ZFL
Rear Tire Capacity (lbs) 1843
Front Tire Order Code XFL
Spare Tire Size P235/75R15
Revolutions/Mile @ 45 mph - Rear 722
Front Tire Size P235/75R15
Wheels
Rear Wheel Size (in) 15 x 7
Rear Wheel Material Steel
Spare Wheel Size (in) 15 x 7
Front Wheel Size (in) 15 x 7
Spare Wheel Material Steel
Front Wheel Material Steel
Suspension
Axle Ratio (:1) - Front NA
Stabilizer Bar Diameter - Rear (in) NA
Suspension Type - Rear 2-Stage Multi-Leaf
Axle Capacity - Front (lbs) 3600
Shock Absorber Diameter - Rear (mm) 25
Axle Type - Front NA
Axle Ratio (:1) - Rear 3.42
Spring Capacity - Front (lbs) 3500
Axle Capacity - Rear (lbs) 3750
Stabilizer Bar Diameter - Front (in) 1.25
Suspension Type - Front Indep Coil Spring
Axle Type - Rear Semi-Floating
Shock Absorber Diameter - Front (mm) 25
Spring Capacity - Rear (lbs) 3750
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