Specs

Research 1998 GMC Sierra 1500 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

2WD Regular Cab Short Box

Brakes

Front Brake Rotor Diam x Thickness (in) 11.57 x 1.25
Rear Brake Rotor Diam x Thickness (in)
Drum - Rear (Yes or ) Yes
Rear Drum Diam x Width (in) 10.0 x 2.25
Brake Type Power
Brake ABS System Four Wheel
Brake ABS System (Second Line)
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or )

Cargo Area Dimensions

Cargo Box Width @ Floor (in) 64.4
Ext'd Cab Cargo Volume (ft³)
Cargo Box Width @ Top, Rear (in) 60.2
Cargo Box Length @ Floor (in) 78.7
Cargo Box Width @ Wheelhousings (in) 49.1
Cargo Volume (ft³) 55.6
Tailgate Width (in) 62.0
Cargo Box (Area) Height (in) 19.3

Cooling System

Total Cooling System Capacity (qts) 16.7

Electrical

Maximum Alternator Watts 1200
Maximum Alternator Capacity (amps) 100
Cold Cranking Amps @ 0° F (2nd)
Cold Cranking Amps @ 0° F (Primary) 600

Engine

SAE Net Torque @ RPM 255 @ 2800
Engine Order Code L35
Engine Oil Cooler Yes
Engine Oil Cooler
Engine Type Gas V6
Displacement 4.3L/262
Fuel System SFI
SAE Net Horsepower @ RPM 200 @ 4400

Exterior Dimensions

Overhang, Front (in) 35.4
Ground Clearance, Front (in) 7.0
Cab to Axle (in) 41.9
Height, Overall (in) 70.4
Width, Max w/o mirrors (in) 76.8
Length, Overall w/o rear bumper (in) 194.5
Wheelbase (in) 117.5
Front Bumper to Back of Cab (in) 110.0
Overhang, Rear w/o bumper (in) 47.3
Cab to End of Frame (in)
Ground to Top of Load Floor (in) 29.0
Ground to Top of Frame (in)
Frame Width, Rear (in) 36.7
Ground Clearance, Rear (in) 8.4

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) 25

Interior Dimensions

Passenger Capacity 3
Front Hip Room (in) 60.1
Front Shoulder Room (in) 65.0
Front Leg Room (in) 41.5
Front Head Room (in) 40.0

Mileage

EPA Fuel Economy Est - City (MPG) 16
EPA Fuel Economy Est - City (MPG) 17
EPA Fuel Economy Est - Hwy (MPG) 20
EPA Fuel Economy Est - Hwy (MPG) 23

Steering

Turning Diameter - Wall to Wall (ft) 44.2
Steering Ratio (:1), On Center 16.5
Steering Ratio (:1), At Lock 15.6
Steering Type Power
Turning Diameter - Curb to Curb (ft) 39.8

Summary

Vehicle Name GMC Sierra 1500 Special
Body Code E63
Body Style Reg Cab 6.5' Wideside

Suspension

Axle Type - Front
Axle Type - Rear Semi-Floating
Axle Capacity - Front (lbs) 3262
Axle Capacity - Rear (lbs) 3750
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 3.42
Axle Ratio (:1) - Rear 3.08
Shock Absorber Diameter - Front (mm) 32
Shock Absorber Diameter - Front (mm) 46 Gas
Shock Absorber Diameter - Front (mm) 25
Shock Absorber Diameter - Rear (mm) 32
Shock Absorber Diameter - Rear (mm) 46 Gas
Stabilizer Bar Diameter - Rear (in)
Stabilizer Bar Diameter - Front (in) 1.25
Shock Absorber Diameter - Rear (mm) 25
Suspension Type - Front Indep Coil Spring
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 3200
Spring Capacity - Rear (lbs) 3750

Tires

Spare Tire Size P235/75R15
Front Tire Order Code XFN
Front Tire Order Code XFL
Rear Tire Order Code YFN
Rear Tire Order Code YFL
Spare Tire Order Code ZFN
Spare Tire Order Code ZFL
Front Tire Size P235/75R15
Rear Tire Size P235/75R15
Front Tire Capacity (lbs) 1763
Rear Tire Capacity (lbs) 1843
Spare Tire Capacity (lbs) 1843
Revolutions/Mile @ 45 mph - Front 722
Revolutions/Mile @ 45 mph - Rear 722
Revolutions/Mile @ 45 mph - Spare 722

Trailering

Wt Distributing Hitch - Max Trailer Wt. (lbs) 10,000
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Trailer Wt. (lbs) 2000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 2000

Transmission

Transfer Case Power Take Off
Transfer Case Model
Trans PTO Access
Trans Power Take Off
Clutch Size (in) 11
Clutch Size (in)
Reverse Ratio (:1) 3.55
Reverse Ratio (:1) 2.29
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.73
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 0.70
Third Gear Ratio (:1) 1.40
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 2.32
Second Gear Ratio (:1) 1.63
First Gear Ratio (:1) 4.02
First Gear Ratio (:1) 3.06
Trans Description Cont. Again
Trans Description Cont. Again Electronic
Trans Description Cont. Manual w/OD
Trans Description Cont. Automatic w/OD,
Trans Type 5
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
Transfer Case Gear Ratio (:1), High
Trans Type 4
Trans Order Code MG5
Trans Order Code M30
Transfer Case Gear Ratio (:1), Low

Weight Information

Gross Axle Wt Rating - Rear (lbs) 3686
Gross Combined Wt Rating (lbs) 9500
Gross Combined Wt Rating (lbs) 7000
Gross Vehicle Weight Rating Cap (lbs) 6100
Curb Weight - Rear (lbs) 1471
Curb Weight - Front (lbs) 2335
Gross Axle Wt Rating - Front (lbs) 3200
Gross Combined Wt Rating (lbs) 6500
Gross Combined Wt Rating (lbs) 8500

Wheels

Spare Wheel Material Steel
Rear Wheel Material Steel
Front Wheel Material Steel
Spare Wheel Size (in) 15 x 7
Rear Wheel Size (in) 15 x 7
Front Wheel Size (in) 15 x 7