Specs

Research 1999 GMC Sierra 2500 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

SL Reg Cab 133.0" WB SL

Brakes

Rear Brake Rotor Diam x Thickness (in) - TBD -
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Brake ABS System Four Wheel
Brake Type Power
Brake ABS System (Second Line)
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) - TBD -

Cooling System

Total Cooling System Capacity (qts) - TBD -

Electrical

Cold Cranking Amps @ 0° F (Primary) 600
Cold Cranking Amps @ 0° F (2nd)
Cold Cranking Amps @ 0° F (2nd) 600
Maximum Alternator Watts 1260
Maximum Alternator Capacity (amps) 105

Engine

Engine Type Gas V8
Displacement 6.0L/364
Fuel System SFI
SAE Net Horsepower @ RPM 300 @ 4800
SAE Net Torque @ RPM 355 @ 4000
Engine Order Code LQ4
Engine Oil Cooler Yes

Exterior Dimensions

Ground Clearance, Front (in) 7.5
Front Bumper to Back of Cab (in) 114.0
Overhang, Front (in) 36.9
Height, Overall (in) - TBD -
Width, Max w/o mirrors (in) 78.5
Length, Overall w/o rear bumper (in) 212.0
Wheelbase (in) 133.0
Ground Clearance, Rear (in) 6.9
Cab to End of Frame (in) - TBD -
Ground to Top of Load Floor (in)
Ground to Top of Frame (in) - TBD -
Frame Width, Rear (in) 42.2
Overhang, Rear w/o bumper (in) - TBD -
Cab to Axle (in) 55.9

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Location
Fuel Tank Location Inboard LH Frame
Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Capacity, Approx (gal) 34

Interior Dimensions

Front Shoulder Room (in) 65.2
Passenger Capacity 2
Passenger Capacity 3
Front Hip Room (in) 61.4
Front Leg Room (in) 41.3
Front Head Room (in) 41.0

Mileage

EPA Fuel Economy Est - City (MPG)
EPA Fuel Economy Est - Hwy (MPG)

Steering

Steering Ratio (:1), On Center 15
Steering Type Power
Steering Ratio (:1), At Lock 13
Turning Diameter - Curb to Curb (ft) 45.3
Turning Diameter - Wall to Wall (ft) - TBD -

Summary

Body Style Reg Cab 133.0" Wheelbase
Vehicle Name GMC New Sierra 2500
Body Code ZW9

Suspension

Axle Ratio (:1) - Rear 4.10
Axle Ratio (:1) - Front
Axle Type - Front
Axle Type - Rear Full-Floating
Axle Capacity - Front (lbs) 3800
Axle Capacity - Rear (lbs) 6000
Stabilizer Bar Diameter - Rear (in)
Suspension Type - Front Indep Coil Spring
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 4100
Spring Capacity - Front (lbs) 3600
Spring Capacity - Rear (lbs) 6084
Stabilizer Bar Diameter - Front (in) 1.42
Shock Absorber Diameter - Rear (mm) 32
Shock Absorber Diameter - Front (mm) 32
Shock Absorber Diameter - Rear (mm) 35
Shock Absorber Diameter - Front (mm) 35
Axle Ratio (:1) - Rear 3.73

Tires

Rear Tire Size LT245/75R16E
Front Tire Order Code QIW
Front Tire Order Code QIZ
Rear Tire Order Code QIW
Rear Tire Order Code QIZ
Spare Tire Order Code ZHH
Spare Tire Order Code ZGK
Spare Tire Order Code
Front Tire Size LT245/75R16E
Spare Tire Size LT245/75R16E
Spare Tire Size
Front Tire Capacity (lbs) 2205
Rear Tire Capacity (lbs) 3042
Spare Tire Capacity (lbs) 3042
Spare Tire Capacity (lbs)
Revolutions/Mile @ 45 mph - Front 678
Revolutions/Mile @ 45 mph - Rear 678
Revolutions/Mile @ 45 mph - Spare 678
Revolutions/Mile @ 45 mph - Spare

Trailering

Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2,000
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 11,000
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1200
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 11,000

Transmission

Clutch Size (in)
First Gear Ratio (:1) 2.48
Trans Description Cont. Again Deep Low
Trans Description Cont. Again Electronic
Trans Description Cont. HD Manual w/OD,
Trans Description Cont. HD Automatic w/OD,
Trans Type 5
Trans Type 4
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access LH/RH
Trans PTO Access
Trans Power Take Off SAE 6-Bolt
Trans Power Take Off
Clutch Size (in) 12
Trans Order Code MW3
Trans Order Code MT1
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
Reverse Ratio (:1) - TBD -
Reverse Ratio (:1) 2.08
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.75
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 0.75
Third Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 3.04
Second Gear Ratio (:1) 1.48
First Gear Ratio (:1) 5.61

Weight Information

Gross Axle Wt Rating - Front (lbs) 4100
Curb Weight - Rear (lbs) 1993
Gross Vehicle Weight Rating Cap (lbs) 8600
Gross Combined Wt Rating (lbs) 16,000
Gross Combined Wt Rating (lbs) 14,000
Gross Axle Wt Rating - Front (lbs) 3600
Gross Axle Wt Rating - Rear (lbs) 6000
Curb Weight - Front (lbs) 2593

Wheels

Front Wheel Material Steel
Rear Wheel Material Chrome
Rear Wheel Material Steel
Spare Wheel Material Steel
Spare Wheel Material
Front Wheel Size (in) 16 x 6.5
Rear Wheel Size (in) 16 x 6.5
Spare Wheel Size (in) 16 x 6.5
Spare Wheel Size (in)
Front Wheel Material Chrome

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