Specs

Research 2005 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 Drum Diam x Width (in)
Brake Type Pwr
Brake ABS System Four-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 1.1
Drum - Rear (Yes or )

Cargo Area Dimensions

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

Cooling System

Total Cooling System Capacity (qts) 26.92
Total Cooling System Capacity (qts) 24.32
Total Cooling System Capacity (qts) 23.84
Total Cooling System Capacity (qts) 16.36
Total Cooling System Capacity (qts) 13.32

Electrical

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

Engine

Engine Oil Cooler Yes
Engine Order Code L18
Engine Order Code LLY
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/403
Displacement 6.0L/364
Fuel System Fuel Injection
Fuel System SFI
SAE Net Horsepower @ RPM 330 @ 4200
SAE Net Horsepower @ RPM 310 @ 3000
SAE Net Horsepower @ RPM 300 @ 3000
SAE Net Horsepower @ RPM 300 @ 4400
SAE Net Torque @ RPM 450 @ 3200
SAE Net Torque @ RPM 605 @ 1600
SAE Net Torque @ RPM 520 @ 1600
SAE Net Torque @ RPM 360 @ 4000

Exterior Dimensions

Ground to Top of Load Floor (in) - TBD -
Cab to Axle (in) 55.9
Wheelbase (in) 133.0
Length, Overall w/o rear bumper (in) 222.1
Width, Max w/o mirrors (in) 79.7
Frame Width, Rear (in) - TBD -
Ground Clearance, Front (in) 9.1
Ground Clearance, Rear (in) 12.1
Height, Overall (in) 76.2
Overhang, Front (in) 37.0
Ground to Top of Frame (in) - TBD -
Front Bumper to Back of Cab (in) 114.1
Overhang, Rear w/o bumper (in) 52.1
Cab to End of Frame (in) - TBD -

Frame

Frame Type Ladder

Fuel Tank

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

Interior Dimensions

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

Mileage

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

Steering

Steering Ratio (:1), At Lock - TBD -
Steering Type Pwr Recirculating Ball
Turning Diameter - Wall to Wall (ft) - TBD -
Turning Diameter - Curb to Curb (ft) 43.8
Steering Ratio (:1), On Center 24.0

Summary

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

Suspension

Axle Type - Front
Axle Type - Rear Semi-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
Stabilizer Bar Diameter - Rear (in)
Suspension Type - Front Torsion Bar
Spring Capacity - Rear (lbs) 6084
Spring Capacity - Front (lbs) 4500
Spring Capacity - Front (lbs) 4800
Suspension Type - Rear 2-Stage Multi-Leaf

Tires

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) 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

Trailering

Dead Weight Hitch - Max Trailer Wt. (lbs) 7200
Dead Weight Hitch - Max Trailer Wt. (lbs) 6900
Wt Distributing Hitch - Max Trailer Wt. (lbs) 7900
Wt Distributing Hitch - Max Trailer Wt. (lbs) 7200
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8200
Wt Distributing Hitch - Max Trailer Wt. (lbs) 10600
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1800
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1035
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1185
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1080
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1230
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1590
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 16200
Wt Distributing Hitch - Max Trailer Wt. (lbs) 6900
Wt Distributing Hitch - Max Trailer Wt. (lbs) 12000
Dead Weight Hitch - Max Tongue Wt. (lbs) 1125
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 16000
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 14200
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 10600
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 4050
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 4000
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 3550
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2650
Dead Weight Hitch - Max Tongue Wt. (lbs) 1080
Dead Weight Hitch - Max Tongue Wt. (lbs) 1035
Dead Weight Hitch - Max Trailer Wt. (lbs) 7500

Transmission

First Gear Ratio (:1) 5.61
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 0.75
Fourth Gear Ratio (:1) 1.31
Third Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 1.41
Third Gear Ratio (:1) 1.00
Third Gear Ratio (:1) 2.10
Second Gear Ratio (:1) 3.04
Second Gear Ratio (:1) 1.81
Second Gear Ratio (:1) 1.48
Second Gear Ratio (:1) 3.31
Fifth Gear Ratio (:1) 1.00
First Gear Ratio (:1) 2.48
First Gear Ratio (:1) 3.10
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
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
Trans Description Cont. HD Manual w/OD
Trans Power Take Off Yes
Trans PTO Access LH/RH
Trans PTO Access
Trans PTO Access RH
Transfer Case Model
Transfer Case Gear Ratio (:1), High
Transfer Case Gear Ratio (:1), Low
Transfer Case Power Take Off
Clutch Size (in)
Clutch Size (in) - TBD -
Reverse Ratio (:1) 5.04
Reverse Ratio (:1) 4.49
Reverse Ratio (:1) 2.08
Reverse Ratio (:1) 5.23
Sixth Gear Ratio (:1)
Sixth Gear Ratio (:1) 0.76
Fifth Gear Ratio (:1) 0.75
Fifth Gear Ratio (:1)
Fifth Gear Ratio (:1) 0.71
Trans Type 5
Trans Type 6
Trans Type 4
Trans Order Code MW3
Trans Order Code M74
Trans Order Code ML6
Trans Order Code MT1
Clutch Size (in) - TBD -
Trans Power Take Off

Weight Information

Gross Combined Wt Rating (lbs) 20000
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) 2809
Curb Weight - Rear (lbs) 2071
Gross Vehicle Weight Rating Cap (lbs) 8500
Gross Vehicle Weight Rating Cap (lbs) 9200
Gross Combined Wt Rating (lbs) 22000

Wheels

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