Specs

Research 2021 Chevrolet Silverado 2500HD specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Work Truck Regular Cab Long Box 2-Wheel Drive Work Truck

Brakes

Rear Drum Diam x Width (in)
Front Brake Rotor Diam x Thickness (in) 14.0 x 1.6
Brake Type Pwr
Disc - Rear (Yes or ) Yes
Rear Brake Rotor Diam x Thickness (in) 14.1 x 1.3
Drum - Rear (Yes or )
Brake ABS System 4-Wheel
Brake ABS System (Second Line)
Disc - Front (Yes or ) Yes

Cargo Area Dimensions

Cargo Box Width @ Floor (in) 71.4
Cargo Box Width @ Floor (in)
Cargo Box Width @ Top, Rear (in) - TBD -
Cargo Box Width @ Top, Rear (in)
Cargo Box Length @ Floor (in) 98.27
Cargo Box Length @ Floor (in)
Cargo Box (Area) Height (in)
Ext'd Cab Cargo Volume (ft³) - TBD -
Cargo Volume (ft³) 83.5
Cargo Volume (ft³)
Tailgate Width (in) - TBD -
Tailgate Width (in)
Cargo Box (Area) Height (in) 21
Cargo Box Width @ Wheelhousings (in) 50.55
Cargo Box Width @ Wheelhousings (in)

Cooling System

Total Cooling System Capacity (qts) - TBD -

Electrical

Cold Cranking Amps @ 0° F (2nd)
Cold Cranking Amps @ 0° F (Primary) 720
Cold Cranking Amps @ 0° F (Primary) 730
Maximum Alternator Watts
Maximum Alternator Capacity (amps) 170
Maximum Alternator Capacity (amps) 390
Maximum Alternator Capacity (amps) 220
Cold Cranking Amps @ 0° F (2nd) 730

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year

Engine

SAE Net Horsepower @ RPM 445 @ 2800
SAE Net Horsepower @ RPM 401 @ 5200
SAE Net Torque @ RPM 910 @ 1600
SAE Net Torque @ RPM 464 @ 4000
Engine Oil Cooler Yes
Engine Order Code L5P
Engine Order Code L8T
Engine Type Turbocharged Diesel V8
Engine Type Gas V8
Displacement 6.6L/403
Fuel System Direct Injection
Displacement 6.6L/400

Exterior Dimensions

Overhang, Rear w/o bumper (in) - TBD -
Overhang, Front (in) - TBD -
Height, Overall (in) 79.94
Width, Max w/o mirrors (in) 81.75
Length, Overall (in) 235.5
Wheelbase (in) 141.55
Ground to Top of Load Floor (in)
Ground to Top of Load Floor (in) - TBD -
Ground to Top of Frame (in) - TBD -
Frame Width, Rear (in) - TBD -
Ground Clearance, Front (in) 10.19
Ground Clearance, Rear (in) 10.19
Cab to End of Frame (in) - TBD -
Cab to Axle (in) 55.2
Front Bumper to Back of Cab (in) - TBD -

Frame

Frame Type Hydroformed

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal)
Fuel Tank Capacity, Approx (gal) 36
Fuel Tank Capacity, Approx (gal) 28
Aux Fuel Tank Location
Fuel Tank Location - TBD -

Interior Dimensions

Front Hip Room (in) 60.9
Front Shoulder Room (in) 66.06
Front Leg Room (in) 44.53
Front Head Room (in) 43.11
Passenger Capacity 3

Mileage

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

Steering

Steering Ratio (:1), At Lock - TBD -
Turning Diameter - Curb to Curb (ft) 46.9
Turning Diameter - Wall to Wall (ft)
Steering Type Pwr
Steering Ratio (:1), On Center - TBD -

Summary

Body Code E63
Body Style Regular Cab Pickup
Body Style Regular Cab Chassis Cab
Vehicle Name Chevrolet Silverado 2500HD
Body Code ZW9

Suspension

Spring Capacity - Front (lbs) - TBD -
Spring Capacity - Rear (lbs) - TBD -
Axle Type - Front - TBD -
Axle Type - Rear - TBD -
Stabilizer Bar Diameter - Front (in) 1.38
Axle Capacity - Front (lbs) - TBD -
Shock Absorber Diameter - Rear (mm) 51.0
Shock Absorber Diameter - Front (mm) 51.0
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 3.42
Axle Ratio (:1) - Front
Stabilizer Bar Diameter - Rear (in)
Axle Capacity - Rear (lbs) - TBD -
Suspension Type - Front Short/Long Arm
Suspension Type - Rear Multi-Leaf Springs

Tires

Rear Tire Capacity (lbs) 3195
Front Tire Order Code QXT
Front Tire Order Code QF6
Front Tire Order Code QG3
Front Tire Order Code QF9
Front Tire Order Code QHQ
Rear Tire Order Code QXT
Rear Tire Order Code QF6
Rear Tire Order Code QG3
Rear Tire Order Code QF9
Rear Tire Order Code QHQ
Spare Tire Order Code ZXT
Spare Tire Order Code ZYG
Spare Tire Order Code ZHQ
Spare Tire Order Code
Spare Tire Order Code ZXT
Spare Tire Order Code ZYG
Spare Tire Order Code ZHQ
Front Tire Size LT275/65R20
Front Tire Size LT275/70R18E
Front Tire Size LT275/70R18
Front Tire Size LT265/70R17E
Front Tire Size LT245/75R17E
Rear Tire Size LT275/65R20
Rear Tire Size LT275/70R18E
Rear Tire Size LT275/70R18
Rear Tire Size LT265/70R17E
Rear Tire Size LT245/75R17E
Spare Tire Size LT265/70R17E
Spare Tire Size LT275/70R18
Spare Tire Size LT245/75R17E
Spare Tire Size
Spare Tire Size LT265/70R17E
Spare Tire Size LT275/70R18
Spare Tire Size LT245/75R17E
Front Tire Capacity (lbs) - TBD -
Front Tire Capacity (lbs) 3020
Front Tire Capacity (lbs) 2760
Front Tire Capacity (lbs) 2756
Front Tire Capacity (lbs) 2579
Rear Tire Capacity (lbs) - TBD -
Rear Tire Capacity (lbs) - TBD -
Rear Tire Capacity (lbs) 3373
Rear Tire Capacity (lbs) 3351
Rear Tire Capacity (lbs) 3197
Spare Tire Capacity (lbs) - TBD -
Spare Tire Capacity (lbs) - TBD -
Spare Tire Capacity (lbs)
Spare Tire Capacity (lbs) 3638
Spare Tire Capacity (lbs) 3195
Spare Tire Capacity (lbs) 3197
Revolutions/Mile @ 45 mph - Front - TBD -
Revolutions/Mile @ 45 mph - Rear - TBD -
Revolutions/Mile @ 45 mph - Spare
Revolutions/Mile @ 45 mph - Spare - TBD -

Trailering

Maximum Trailering Capacity (lbs) 14500
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 14500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 1450
Fifth Wheel Hitch - Max Trailer Wt. (lbs) - TBD -
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 18510
Fifth Wheel Hitch - Max Trailer Wt. (lbs) 17370
Fifth Wheel Hitch - Max Tongue Wt. (lbs) - TBD -
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 4627
Fifth Wheel Hitch - Max Tongue Wt. (lbs) 4342

Transmission

Trans Type 6
Seventh Gear Ratio (:1)
Eighth Gear Ratio (:1) 0.85
Eighth Gear Ratio (:1)
Ninth Gear Ratio (:1) 0.68
Ninth Gear Ratio (:1)
Tenth Gear Ratio (:1) 0.63
Tenth Gear Ratio (:1)
Drivetrain Rear Wheel Drive
Trans Power Take Off Yes
Seventh Gear Ratio (:1) 1.00
Trans Type 10
Trans Order Code MGM
Trans Order Code MGU
Trans Order Code MYD
Clutch Size (in)
Reverse Ratio (:1) 3.06
Reverse Ratio (:1) 4.54
Sixth Gear Ratio (:1) 0.67
Sixth Gear Ratio (:1) 1.26
Fifth Gear Ratio (:1) 0.85
Fifth Gear Ratio (:1) 1.48
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access
Trans PTO Access - TBD -
Trans Power Take Off
Fourth Gear Ratio (:1) 1.15
Fourth Gear Ratio (:1) 1.72
Third Gear Ratio (:1) 1.53
Third Gear Ratio (:1) 2.06
Second Gear Ratio (:1) 2.36
Second Gear Ratio (:1) 2.86
First Gear Ratio (:1) 4.03
First Gear Ratio (:1) 4.54
Trans Description Cont. Again
Trans Description Cont. Automatic

Vehicle

Number of Passenger Doors

Weight Information

Gross Axle Wt Rating - Rear (lbs) 6600
Gross Combined Wt Rating (lbs) 24000
Gross Combined Wt Rating (lbs) 26000
Gross Vehicle Weight Rating Cap (lbs) 9900
Gross Vehicle Weight Rating Cap (lbs) 10000
Gross Vehicle Weight Rating Cap (lbs) 10750
Gross Vehicle Weight Rating Cap (lbs) 10550
Gross Vehicle Weight Rating Cap (lbs) 10150
Curb Weight - Rear (lbs) 2545
Curb Weight - Front (lbs) 3369
Gross Axle Wt Rating - Rear (lbs) 6390
Gross Axle Wt Rating - Rear (lbs) - TBD -
Gross Axle Wt Rating - Rear (lbs) - TBD -
Gross Axle Wt Rating - Front (lbs) 4400
Gross Axle Wt Rating - Front (lbs) 4800
Gross Axle Wt Rating - Front (lbs) 5200
Gross Axle Wt Rating - Front (lbs) - TBD -
Gross Axle Wt Rating - Front (lbs) - TBD -

Wheels

Front Wheel Size (in) 18 x 8.0
Spare Wheel Material Steel
Rear Wheel Material Steel
Rear Wheel Material Aluminum
Front Wheel Material Steel
Front Wheel Material Aluminum
Spare Wheel Size (in) 17 x 7.5
Spare Wheel Size (in) 18 x 8.0
Spare Wheel Size (in)
Spare Wheel Size (in) 18 x 8.0
Spare Wheel Size (in) 17 x 7.5
Rear Wheel Size (in) 17 x 7.5
Rear Wheel Size (in) 18 x 8.0
Rear Wheel Size (in) 18 x - TBD -
Rear Wheel Size (in) 20 x - TBD -
Front Wheel Size (in) 20 x - TBD -
Front Wheel Size (in) 18 x - TBD -
Front Wheel Size (in) 17 x 7.5