Specs

Research 2003 Chevrolet Silverado 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

Brake Type Pwr
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 13.0 x 1.1
Front Brake Rotor Diam x Thickness (in) 12.8 x 1.5
Disc - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes
Brake ABS System (Second Line)
Brake ABS System Four-Wheel

Cargo Area Dimensions

Cargo Box (Area) Height (in) 19.5
Cargo Box Length @ Floor (in) 97.6
Ext'd Cab Cargo Volume (ft³)
Cargo Box Width @ Top, Rear (in) 61.9
Cargo Box Width @ Floor (in) 64.8
Cargo Volume (ft³) 70.7
Tailgate Width (in) 61.9
Cargo Box Width @ Wheelhousings (in) 50.0

Cooling System

Total Cooling System Capacity (qts) 23.6
Total Cooling System Capacity (qts) 24.0
Total Cooling System Capacity (qts) 15.4
Total Cooling System Capacity (qts) 25.2

Electrical

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

Engine

SAE Net Horsepower @ RPM 295 @ 5200
Engine Order Code L18
Engine Order Code LB7
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 340 @ 4200
SAE Net Horsepower @ RPM 300 @ 3100
SAE Net Horsepower @ RPM 300 @ 4400
SAE Net Torque @ RPM 455 @ 3200
SAE Net Torque @ RPM 520 @ 1800
SAE Net Torque @ RPM 360 @ 4000
Engine Oil Cooler Yes

Exterior Dimensions

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

Frame

Frame Type Ladder

Fuel Tank

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

Interior Dimensions

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

Mileage

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

Steering

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

Summary

Vehicle Name Chevrolet Silverado 2500HD
Body Style Reg Cab
Body Style Reg Cab 8' Fleetside
Body Code ZW9
Body Code E63

Suspension

Axle Capacity - Front (lbs) 4800
Axle Ratio (:1) - Front
Stabilizer Bar Diameter - Rear (in)
Stabilizer Bar Diameter - Front (in) 1.42
Shock Absorber Diameter - Rear (mm) 35
Shock Absorber Diameter - Front (mm) 35
Axle Ratio (:1) - Rear 3.73
Suspension Type - Front Torsion Bar
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Front (lbs) 4500
Spring Capacity - Rear (lbs) 6084
Axle Type - Front
Axle Ratio (:1) - Rear 4.10
Axle Type - Rear Full-Floating
Axle Capacity - Rear (lbs) 6900

Tires

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

Trailering

Wt Distributing Hitch - Max Trailer Wt. (lbs) 10,600
Dead Weight Hitch - Max Trailer Wt. (lbs) 4500
Dead Weight Hitch - Max Trailer Wt. (lbs) 7500
Dead Weight Hitch - Max Tongue Wt. (lbs) 600
Dead Weight Hitch - Max Tongue Wt. (lbs) 1000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 12,000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 4500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 600
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1500
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 16,100
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 16,000
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 10,600
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 2500

Transmission

Trans Type 4
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access RH
Trans PTO Access
Trans PTO Access LH/RH
Trans Power Take Off Yes
Trans Power Take Off
Clutch Size (in)
Reverse Ratio (:1) 5.61
Reverse Ratio (:1) 4.49
Second Gear Ratio (:1) 1.81
Second Gear Ratio (:1) 1.48
Second Gear Ratio (:1) 3.31
First Gear Ratio (:1) 5.61
First Gear Ratio (:1) 3.10
First Gear Ratio (:1) 2.48
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 Type 5
Trans Type 6
Transfer Case Power Take Off
Trans Order Code MW3
Trans Order Code M74
Trans Order Code ML6
Trans Order Code MT1
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1)
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
Fifth Gear Ratio (:1) 1.00
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

Weight Information

Gross Vehicle Weight Rating Cap (lbs) 8500
Curb Weight - Rear (lbs) 2071
Curb Weight - Front (lbs) 2809
Gross Axle Wt Rating - Rear (lbs) 6084
Gross Axle Wt Rating - Front (lbs) 4410
Gross Combined Wt Rating (lbs) 16,000
Gross Combined Wt Rating (lbs) 14,000
Gross Combined Wt Rating (lbs) 20,000
Gross Combined Wt Rating (lbs) 22,000
Gross Vehicle Weight Rating Cap (lbs) 9200

Wheels

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

Powered by Chrome