1998 GMC Sierra 1500 Ext Cab Sportside 141.5" WB 4WD Specs

Ext Cab Sportside 141.5" WB 4WD
MSRP based on Ext Cab Sportside 141.5" WB 4WD

Quick Specs

Gas Mileage 14 mpg City/18 mpg Hwy
Engine Gas V8, 5.0L
EPA Class No Data
Style Name 4WD Extended Cab Sportside Short Box
Drivetrain Four Wheel Drive
Passenger Capacity 6
Passenger Doors 2
Body Style Extended Cab Pickup - Short Bed
Transmission 4-speed electronically-controlled automatic transmission w/OD


Weight Information
Gross Vehicle Weight Rating Cap (lbs) 6200
Curb Weight - Front (lbs) 2782
Gross Axle Wt Rating - Front (lbs) 3600
Gross Combined Wt Rating (lbs) 10,500
Curb Weight - Rear (lbs) 1790
Gross Axle Wt Rating - Rear (lbs) 3750
Interior Dimensions
Second Leg Room (in) 28.7
Front Hip Room (in) 60.1
Front Leg Room (in) 41.5
Second Shoulder Room (in) 67.6
Passenger Capacity 6
Second Head Room (in) 38.0
Front Shoulder Room (in) 65.0
Second Hip Room (in) 66.1
Front Head Room (in) 40.0
Exterior Dimensions
Front Bumper to Back of Cab (in) 135.0
Frame Width, Rear (in) 36.7
Overhang, Front (in) 35.4
Ground to Top of Load Floor (in) 32.4
Width, Max w/o mirrors (in) 77.1
Cab to Axle (in) 41.9
Ground Clearance, Front (in) 9.0
Wheelbase (in) 141.5
Overhang, Rear w/o bumper (in) 41.6
Ground to Top of Frame (in) NA
Height, Overall (in) 72.6
Cab to End of Frame (in) NA
Ground Clearance, Rear (in) 8.4
Length, Overall w/o rear bumper (in) 218.5
Cargo Area Dimensions
Cargo Volume (ft³) 42.1
Cargo Box (Area) Height (in) 19.2
Cargo Box Width @ Floor (in) 49.1
Ext'd Cab Cargo Volume (ft³) 40.5
Cargo Box Length @ Floor (in) 78.7
Tailgate Width (in) 50.9
Cargo Box Width @ Wheelhousings (in) NA
Cargo Box Width @ Top, Rear (in) 49.1

Fuel Economy

Fuel Tank
Fuel Tank Location Inboard LH Frame
Fuel Tank Capacity, Approx (gal) 25
Aux Fuel Tank Location NA
Aux Fuel Tank Capacity, Approx (gal) NA
EPA Fuel Economy Est - City (MPG) 14
EPA Fuel Economy Est - Hwy (MPG) 18

Performance Specs

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
Engine Type Gas V8
Second Gear Ratio (:1) 1.63
Reverse Ratio (:1) 2.29
Transfer Case Gear Ratio (:1), High 1.00
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 2.72
Drivetrain 4-Wheel Drive
First Gear Ratio (:1) 3.06
Sixth Gear Ratio (:1) NA
Transfer Case Model New Process 241
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
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) 10.0 x 2.25
Brake ABS System Four Wheel
Turning Diameter - Wall to Wall (ft) 51.4
Steering Ratio (:1), At Lock 16.3
Steering Type Power
Turning Diameter - Curb to Curb (ft) 47.6
Steering Ratio (:1), On Center 16.4
Front Tire Capacity (lbs) 2064
Revolutions/Mile @ 45 mph - Spare 682
Rear Tire Size P245/75R16
Revolutions/Mile @ 45 mph - Front 682
Spare Tire Order Code ZGA
Rear Tire Capacity (lbs) 2064
Front Tire Order Code XGA
Spare Tire Size P245/75R16
Revolutions/Mile @ 45 mph - Rear 682
Front Tire Size P245/75R16
Spare Tire Capacity (lbs) 2064
Rear Tire Order Code YGA
Rear Wheel Material Steel
Spare Wheel Size (in) 16 x 6.5
Front Wheel Size (in) 16 x 6.5
Spare Wheel Material Steel
Front Wheel Material Steel
Rear Wheel Size (in) 16 x 6.5
Axle Capacity - Front (lbs) 3925
Shock Absorber Diameter - Rear (mm) 25
Axle Type - Front Independent GM
Axle Ratio (:1) - Rear 3.42
Spring Capacity - Front (lbs) 3600
Axle Capacity - Rear (lbs) 3750
Stabilizer Bar Diameter - Front (in) 1.18
Suspension Type - Front Indep Torsion Bar
Axle Type - Rear Semi-Floating
Shock Absorber Diameter - Front (mm) 25
Spring Capacity - Rear (lbs) 3750
Axle Ratio (:1) - Front 3.73
Stabilizer Bar Diameter - Rear (in) NA
Suspension Type - Rear 2-Stage Multi-Leaf

Safety Features

Air Bag-Frontal-Driver Yes
Air Bag-Frontal-Passenger Yes
Air Bag-Passenger Switch (On/Off) Yes
Air Bag-Side Body-Front No
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front No
Air Bag-Side Head-Rear No
Brakes-ABS Yes
Child Safety Rear Door Locks No
Daytime Running Lights Yes
Traction Control No
Night Vision No
Rollover Protection Bars No
Fog Lamps No
Parking Aid No
Tire Pressure Monitor No
Back-Up Camera No
Stability Control No
Other Features Four-wheel anti-lock brake system
Driver & front passenger air bag w/passenger suppression switch...
Manual lap/shoulder safety belts, front/rear outboard seat...
Front outboard shoulder belt height adjusters
Manual lap safety belts, center seat positions
Brake/transmission shift interlock
Energy-absorbing steering column/instrument panel
Head restraints, front seat
Daytime running lamps
Side door guard beams
Dual horns


Basic Miles/km 36,000
Basic Years 3
Corrosion Miles/km 100,000
Corrosion Years 6
Roadside Assistance Miles/km 36,000
Roadside Assistance Years 3

Other Specs

Cooling System
Total Cooling System Capacity (qts) 16.7
Maximum Alternator Capacity (amps) 100
Cold Cranking Amps @ 0° F (Primary) 600
Maximum Alternator Watts 1200
Cold Cranking Amps @ 0° F (2nd) NA
Fifth Wheel Hitch - Max Trailer Wt. (lbs) NA
Wt Distributing Hitch - Max Trailer Wt. (lbs) 10,000
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Fifth Wheel Hitch - Max Tongue Wt. (lbs) NA
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500