Specs

Research 2006 GMC Sierra 1500HD specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

SLE1 2WD Crew Cab Standard Box SLE1

Brakes

Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Brake Type Pwr
Brake ABS System 4-Wheel
Brake ABS System (Second Line)
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 12.8 x 1.5
Rear Brake Rotor Diam x Thickness (in) 13 x 1.4

Cargo Area Dimensions

Cargo Box (Area) Height (in) 19.5
Ext'd Cab Cargo Volume (ft³) - TBD -
Cargo Box Width @ Floor (in) 64.8
Cargo Box Width @ Wheelhousings (in) 50.0
Cargo Box Width @ Top, Rear (in) 61.9
Tailgate Width (in) 61.9
Cargo Volume (ft³) 56.9
Cargo Box Length @ Floor (in) 78.7

Cooling System

Total Cooling System Capacity (qts) 13.32
Total Cooling System Capacity (qts) 13.52

Electrical

Cold Cranking Amps @ 0° F (Primary) 600
Cold Cranking Amps @ 0° F (2nd) 600
Cold Cranking Amps @ 0° F (2nd)
Maximum Alternator Watts
Maximum Alternator Capacity (amps) 105
Cold Cranking Amps @ 0° F (Primary) 770

Engine

SAE Net Horsepower @ RPM 300 @ 4400
Engine Oil Cooler Yes
Engine Order Code LQ4
Engine Type Gas V8
Displacement 6.0L/364
Fuel System SFI
SAE Net Torque @ RPM 360 @ 4000

Exterior Dimensions

Length, Overall w/o rear bumper (in) 239.7
Ground Clearance, Rear (in) 7.4
Ground Clearance, Front (in) 7.9
Frame Width, Rear (in) - TBD -
Ground to Top of Frame (in) - TBD -
Ground to Top of Load Floor (in) - TBD -
Cab to End of Frame (in) - TBD -
Cab to Axle (in) 41.9
Front Bumper to Back of Cab (in) 148.1
Overhang, Rear w/o bumper (in) 47.2
Overhang, Front (in) 37.0
Height, Overall (in) 77.0
Width, Max w/o mirrors (in) 79.7
Wheelbase (in) 153.0

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Location
Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Capacity, Approx (gal) 26
Fuel Tank Location LH

Interior Dimensions

Second Head Room (in) 39.9
Second Leg Room (in) 38.8
Second Shoulder Room (in) 65.1
Second Hip Room (in) 62.9
Passenger Capacity 6
Front Head Room (in) 41.1
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.2
Front Hip Room (in) 61.4

Mileage

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

Steering

Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 49.6
Steering Ratio (:1), At Lock - TBD -
Steering Ratio (:1), On Center - TBD -
Steering Type Pwr

Summary

Body Style Crew Cab 6.5' Fleetside
Body Code E63
Vehicle Name GMC Sierra 1500HD

Suspension

Shock Absorber Diameter - Rear (mm) 36
Stabilizer Bar Diameter - Front (in) 1.25
Stabilizer Bar Diameter - Rear (in)
Spring Capacity - Front (lbs) 4500
Suspension Type - Rear 2-Stage Multi-Leaf
Suspension Type - Front Coil Spring
Axle Type - Front Independent
Spring Capacity - Rear (lbs) 6000
Axle Type - Rear Full-Floating
Axle Capacity - Front (lbs) 4500
Axle Capacity - Rear (lbs) 6000
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 4.10
Axle Ratio (:1) - Rear 3.73
Shock Absorber Diameter - Front (mm) 36

Tires

Front Tire Order Code QIZ
Front Tire Order Code QIW
Rear Tire Order Code QIW
Rear Tire Order Code QIZ
Spare Tire Order Code ZHH
Spare Tire Order Code 4GK
Spare Tire Order Code QIZ
Front Tire Size LT245/75R16
Rear Tire Size LT245/75R16
Spare Tire Size LT245/75R16
Front Tire Capacity (lbs) 2205
Rear Tire Capacity (lbs) 2205
Spare Tire Capacity (lbs) 2205
Revolutions/Mile @ 45 mph - Front - TBD -
Revolutions/Mile @ 45 mph - Front - TBD -
Revolutions/Mile @ 45 mph - Rear - TBD -
Revolutions/Mile @ 45 mph - Rear - TBD -
Revolutions/Mile @ 45 mph - Spare - TBD -
Revolutions/Mile @ 45 mph - Spare - TBD -

Trailering

Wt Distributing Hitch - Max Tongue Wt. (lbs) 1530
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1230
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 10300
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 10200
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8200
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2075
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2575
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 8300

Transmission

Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.75
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.48
First Gear Ratio (:1) 2.48
Trans Description Cont. Again
Trans Description Cont. HD Automatic w/OD
Trans Type 4
Trans Order Code MT1
Seventh Gear Ratio (:1)
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access
Trans Power Take Off
Clutch Size (in)
Reverse Ratio (:1) 2.08
Sixth Gear Ratio (:1)
Drivetrain Rear Wheel Drive

Weight Information

Gross Vehicle Weight Rating Cap (lbs) 8600
Curb Weight - Rear (lbs) 2213
Curb Weight - Front (lbs) 3131
Gross Axle Wt Rating - Rear (lbs) 6000
Gross Axle Wt Rating - Front (lbs) 4410
Gross Combined Wt Rating (lbs) 14,000
Gross Combined Wt Rating (lbs) 16,000

Wheels

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