Specs

Research 2006 GMC Sierra 2500HD specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Work Truck 2WD Regular Cab Long Box Work Truck

Brakes

Rear Brake Rotor Diam x Thickness (in) 13 x 1.1
Front Brake Rotor Diam x Thickness (in) 12.8 x 1.5
Rear Drum Diam x Width (in)
Disc - Rear (Yes or ) Yes
Brake ABS System Four-Wheel
Disc - Front (Yes or ) Yes
Brake ABS System (Second Line)
Drum - Rear (Yes or )
Brake Type Pwr

Cargo Area Dimensions

Cargo Box Width @ Wheelhousings (in) N/A
Cargo Box Width @ Floor (in) 64.8
Cargo Box Width @ Floor (in) N/A
Cargo Box Width @ Top, Rear (in) N/A
Cargo Box Length @ Floor (in) 97.6
Cargo Box Length @ Floor (in) N/A
Cargo Box Width @ Top, Rear (in) 61.9
Ext'd Cab Cargo Volume (ft³)
Cargo Volume (ft³) 73.9
Cargo Volume (ft³) N/A
Tailgate Width (in) 61.9
Tailgate Width (in) N/A
Cargo Box (Area) Height (in) 19.5
Cargo Box (Area) Height (in) N/A
Cargo Box Width @ Wheelhousings (in) 50.0

Cooling System

Total Cooling System Capacity (qts) 27.0
Total Cooling System Capacity (qts) 26.7
Total Cooling System Capacity (qts) 19.2
Total Cooling System Capacity (qts) - TBD -
Total Cooling System Capacity (qts) 16.4
Total Cooling System Capacity (qts) 16.0

Electrical

Cold Cranking Amps @ 0° F (Primary) 770
Maximum Alternator Watts
Maximum Alternator Capacity (amps) 105
Maximum Alternator Capacity (amps) 145
Cold Cranking Amps @ 0° F (2nd)
Cold Cranking Amps @ 0° F (2nd) 770
Cold Cranking Amps @ 0° F (2nd) 600
Cold Cranking Amps @ 0° F (Primary) 600

Engine

SAE Net Torque @ RPM 360 @ 4000
Engine Order Code L18
Engine Order Code LLY
Engine Order Code LBZ
Engine Order Code LQ4
Engine Type Gas/Natural Gas V8
Engine Type Turbo-Charged Diesel V8
Engine Type Gas V8
Displacement 8.1L/494
Displacement 6.6L/402
Displacement 6.0L/364
Fuel System Fuel Injection
Fuel System SFI
SAE Net Horsepower @ RPM 330 @ 4200
SAE Net Horsepower @ RPM 360 @ 3200
SAE Net Horsepower @ RPM 300 @ 3000
SAE Net Horsepower @ RPM 300 @ 4400
SAE Net Torque @ RPM 450 @ 3200
SAE Net Torque @ RPM 650 @ 1600
SAE Net Torque @ RPM 520 @ 1600
Engine Oil Cooler Yes

Exterior Dimensions

Front Bumper to Back of Cab (in) 114.1
Cab to End of Frame (in) - TBD -
Ground to Top of Load Floor (in) - TBD -
Ground to Top of Frame (in) - TBD -
Frame Width, Rear (in) - TBD -
Ground Clearance, Front (in) 9.1
Ground Clearance, Rear (in) 12.1
Cab to Axle (in) 55.9
Wheelbase (in) 133.0
Length, Overall w/o rear bumper (in) 224.5
Width, Max w/o mirrors (in) 79.7
Height, Overall (in) 76.2
Overhang, Front (in) 37.0
Overhang, Rear w/o bumper (in) 52.1

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Location
Fuel Tank Capacity, Approx (gal) 20
Fuel Tank Capacity, Approx (gal) 34
Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Location LH

Interior Dimensions

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

Mileage

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

Steering

Steering Type Pwr Recirculating Ball
Steering Ratio (:1), On Center - TBD -
Steering Ratio (:1), At Lock - TBD -
Turning Diameter - Curb to Curb (ft) 43.8
Turning Diameter - Wall to Wall (ft) - TBD -

Summary

Body Code ZW9
Vehicle Name GMC Sierra 2500HD
Body Style Reg Cab
Body Code E63
Body Style Reg Cab 8' Wideside

Suspension

Stabilizer Bar Diameter - Rear (in)
Suspension Type - Front Torsion Bar
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 4800
Spring Capacity - Front (lbs) 4500
Spring Capacity - Rear (lbs) 6084
Axle Type - Front
Axle Type - Rear Full-Floating
Axle Capacity - Front (lbs) 4800
Axle Capacity - Rear (lbs) 6900
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 4.10
Shock Absorber Diameter - Front (mm) 36
Shock Absorber Diameter - Rear (mm) 36
Stabilizer Bar Diameter - Front (in) 1.42

Tires

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
Revolutions/Mile @ 45 mph - Spare - TBD -
Front Tire Order Code QIW
Front Tire Order Code QIZ
Rear Tire Order Code QIW
Rear Tire Order Code QIZ
Spare Tire Order Code QIW
Spare Tire Order Code ZHH
Spare Tire Order Code
Spare Tire Order Code QIZ
Front Tire Size LT245/75R16
Rear Tire Size LT245/75R16
Spare Tire Size
Spare Tire Size LT245/75R16
Front Tire Capacity (lbs) 2205
Rear Tire Capacity (lbs) 3042
Spare Tire Capacity (lbs)
Spare Tire Capacity (lbs) 2205

Trailering

Wt Distributing Hitch - Max Tongue Wt. (lbs) 1065
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1215
Wt Distributing Hitch - Max Trailer Wt. (lbs) 12000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2625
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1575
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 14100
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 16100
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 15900
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 10500
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 3525
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 4025
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 3975
Wt Distributing Hitch - Max Trailer Wt. (lbs) 6800
Wt Distributing Hitch - Max Trailer Wt. (lbs) 7800
Wt Distributing Hitch - Max Trailer Wt. (lbs) 7100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8100
Wt Distributing Hitch - Max Trailer Wt. (lbs) 10500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1800
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1020
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1170

Transmission

Sixth Gear Ratio (:1) - TBD -
Fifth Gear Ratio (:1) 0.75
Fifth Gear Ratio (:1)
Fifth Gear Ratio (:1) - TBD -
Fifth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) - TBD -
Fourth Gear Ratio (:1) 0.75
Fourth Gear Ratio (:1) 1.31
Third Gear Ratio (:1) 1.67
Third Gear Ratio (:1) - TBD -
Third Gear Ratio (:1) 1.00
Third Gear Ratio (:1) 2.10
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
Second Gear Ratio (:1) 3.04
Second Gear Ratio (:1) - TBD -
Second Gear Ratio (:1) 1.48
Second Gear Ratio (:1) 3.31
First Gear Ratio (:1) 5.61
First Gear Ratio (:1) 2.48
First Gear Ratio (:1) - TBD -
First Gear Ratio (:1) 5.79
Trans Description Cont. Again
Trans Description Cont. Manual w/OD
Trans Description Cont. HD Automatic w/OD
Trans Description Cont. Automatic w/OD
Trans Description Cont. HD Manual w/OD
Trans Type 5
Trans Type 6
Trans Type 4
Trans Order Code MW3
Trans Order Code MW7
Trans Order Code ML6
Trans Order Code MT1
Reverse Ratio (:1) 2.08
Reverse Ratio (:1) - TBD -
Reverse Ratio (:1) 5.04
Clutch Size (in) - TBD -
Clutch Size (in)
Clutch Size (in) - TBD -
Trans Power Take Off
Trans PTO Access
Transfer Case Model
Transfer Case Gear Ratio (:1), High
Transfer Case Gear Ratio (:1), Low
Transfer Case Power Take Off
Reverse Ratio (:1) 5.23
Sixth Gear Ratio (:1)
Sixth Gear Ratio (:1) 0.76

Weight Information

Gross Combined Wt Rating (lbs) 13000
Gross Combined Wt Rating (lbs) 14000
Gross Combined Wt Rating (lbs) 16000
Gross Axle Wt Rating - Front (lbs) 4410
Gross Axle Wt Rating - Rear (lbs) 6084
Curb Weight - Front (lbs) 2843
Curb Weight - Rear (lbs) 2122
Gross Vehicle Weight Rating Cap (lbs) 9200
Gross Combined Wt Rating (lbs) 22000
Gross Combined Wt Rating (lbs) 20000

Wheels

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

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