Chevrolet Silverado HD (2500HD/3500HD) trim levels explained

By CarWhere Research · Updated November 3, 2026

GM rates the 2026 Silverado 2500 HD at up to 20,000 lb conventional with the 6.6L Duramax and Max Trailering Package, or 16,000 lb with the 6.6L gas V8. The 3500 HD dually reaches 36,000 lb with a gooseneck. HD trims are WT, Custom, LT, LTZ, High Country and the 2500-only ZR2.

Current Silverado HD (2500HD/3500HD) trim levels: Fourth generation (2020–present)

Redesigned for 2020 with a 6.6L gas V8 and the 6.6L Duramax diesel; the 2024 refresh added the 2500 HD ZR2 and raised the Duramax to 470 hp and 975 lb-ft. For 2027 GM adds an available Duramax 8.3L V8 (555 hp/1,230 lb-ft), uprates the 6.6L gas V8 to 412 hp and raises the maximum gooseneck rating to 38,000 lb; 2027 pricing had not been announced. MSRPs below are 2026 2500 HD base prices.[1][2][3][4]

Chevrolet Silverado HD (2500HD/3500HD) Fourth generation (2020–present) trims in ladder order with 2026 model-year base MSRP (USD), engines and key standard equipment
Trim	Base MSRP (2026, USD)	Engines	Key standard equipment
WT	$46,2002WD Regular Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	Offered in 2500 HD and 3500 HD, single or dual rear wheels on 3500 Regular, Double or Crew Cab [2][1]
Custom	$49,5002WD Double Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	2500 HD only in GM's 2026 fleet guide Double or Crew Cab [2][1]
LT	$52,9004WD Regular Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	Volume retail trim, 4WD only in 2026 Offered on 2500 HD and 3500 HD [2][1]
LTZ	$63,6004WD Crew Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	Leather-trimmed luxury trim, 4WD only Offered on 2500 HD and 3500 HD [2][1]
High Country	$73,9004WD Crew Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	Top luxury trim, 4WD only Slightly lower gooseneck ratings than other trims on 2500 HD [2][1][5]
ZR2	$73,5004WD Crew Cab, excl. $2,495 destination; 2500 HD	6.6L gas V8 (std) 6.6L Duramax V8 diesel	Added for 2024; 2500 HD Crew Cab 4x4 only with 35-in. MT tires Tows up to 18,500 lb conventional with the Duramax [2][4][5]

MSRP excludes destination unless noted. "—" means we could not confirm the price from a GM or press pricing source.

Silverado HD (2500HD/3500HD) package and RPO codes (2020–present)

GM identifies packages and options with three-character Regular Production Option (RPO) codes, printed on the glovebox Service Parts Identification label and on the window sticker. The codes below are as listed in GM order guides and press material.

Chevrolet Silverado HD (2500HD/3500HD) Fourth generation (2020–present) packages by trim with GM RPO codes
RPO code	Trim	What it is	Source
1WT	WT	Work Truck preferred equipment group (2500 HD/3500 HD)	[1]
1CX	Custom	Custom preferred equipment group (2500 HD)	[1]
1LT	LT	LT preferred equipment group (2500 HD/3500 HD)	[1]
3LT	ZR2	ZR2 preferred equipment group (2500 HD)	[1]
1LZ	LTZ	LTZ preferred equipment group (2500 HD/3500 HD)	[1]
3LZ	High Country	High Country preferred equipment group (2500 HD/3500 HD)	[1]

Previous Silverado HD (2500HD/3500HD) trim levels: Third generation (2015–2019)

The 2015–2019 Silverado HD paired a 6.0L Vortec gas V8 (360 hp) with the 6.6L Duramax diesel, which was the LML (397 hp/765 lb-ft) for 2015–2016 and the L5P (445 hp/910 lb-ft) from 2017. Launch MSRPs are not listed because we could not source them from GM.[6]

Chevrolet Silverado HD (2500HD/3500HD) Third generation (2015–2019) trims in ladder order, engines and key standard equipment
Trim	Base MSRP (USD)	Engines	Key standard equipment
WT	—	6.0L Vortec V8 6.6L Duramax V8 diesel	Work-truck base trim [6]
LT	—	6.0L Vortec V8 6.6L Duramax V8 diesel	Volume retail trim [6]
LTZ	—	6.0L Vortec V8 6.6L Duramax V8 diesel	Upscale trim [6]
High Country	—	6.0L Vortec V8 6.6L Duramax V8 diesel	Luxury flagship [6]

MSRP excludes destination unless noted. "—" means we could not confirm the price from a GM or press pricing source.

2026 Silverado HD (2500HD/3500HD) towing capacity by configuration

Maximum ratings from Chevrolet's 2026 Silverado 2500 HD and 3500 HD trailering charts. The top diesel figures require the Max Trailering Package; 5th-wheel and gooseneck ratings depend on GVWR and hitch type.

2026 Chevrolet Silverado HD (2500HD/3500HD) maximum towing (lb) by configuration, GM-published
Configuration	Max towing (lb)	Notes
2500 HD 6.6L gas V8 – conventional, 18/20/22-in. wheels	16,000[5]	14,500 lb with 17-in. wheels and on some Double/Regular Cab configurations
2500 HD 6.6L gas V8 – 5th-wheel/gooseneck, Regular Cab Long Bed 2WD	18,700[5]
2500 HD 6.6L Duramax – conventional, Crew Cab	20,000[5]	Max Trailering Package, 18/20-in. wheels
2500 HD 6.6L Duramax – 5th-wheel/gooseneck, Double Cab Std Bed 4x4 or Regular Cab Long Bed 4x4	22,050[5]	Max Trailering Package
2500 HD ZR2 6.6L Duramax – conventional	18,500[5]
3500 HD 6.6L gas V8 – conventional, Regular Cab 2WD DRW	18,700[7]
3500 HD 6.6L gas V8 – 5th-wheel/gooseneck, Regular Cab 2WD SRW	19,080[7]
3500 HD 6.6L Duramax – conventional	20,000[7]
3500 HD 6.6L Duramax DRW – 5th-wheel hitch	32,000[7]	Max Trailering Package
3500 HD 6.6L Duramax DRW – gooseneck, Regular Cab WT 2WD	36,000[7]	Max Trailering Package; Silverado HD maximum

Ratings depend on engine, cab, bed, axle ratio, drivetrain and packages; the exact figure for one vehicle is in Chevrolet’s official trailering guide.

Related Silverado HD (2500HD/3500HD) research

See which trim and packages a Silverado HD (2500HD/3500HD) was ordered with.

Trim names on a used listing are not always right. The CarWhere build sheet decodes a Chevrolet Silverado HD (2500HD/3500HD) VIN into the factory-ordered option codes (RPOs) on record — trim, engine, axle and the packages it was ordered with. $9.99, instant.

Chevrolet build sheet by VIN

Frequently asked questions

How much can a Silverado 2500 HD tow?

Chevrolet's 2026 chart rates the 2500 HD at up to 20,000 lb conventional with the 6.6L Duramax and Max Trailering Package, and up to 22,050 lb with a 5th-wheel or gooseneck. With the 6.6L gas V8 it tows up to 16,000 lb conventional on 18- to 22-inch wheels.

What is the Silverado 3500 HD max towing capacity?

Up to 36,000 lb with a gooseneck hitch, or 32,000 lb with a 5th-wheel, on a Regular Cab WT 2WD dually with the Duramax and Max Trailering Package. Conventional towing tops out at 20,000 lb.

What are the Silverado HD trim levels?

For 2026 the 2500 HD comes as WT, Custom, LT, LTZ, High Country and ZR2. The 3500 HD is offered as WT, LT, LTZ and High Country with single or dual rear wheels.

Does the 17-inch wheel package lower the tow rating?

Yes. On the 2026 2500 HD, both the gas V8 and the Duramax are limited to 14,500 lb conventional on 17-inch wheels, versus 16,000 lb or more on larger wheels.

What changes for the 2027 Silverado HD?

GM adds an available Duramax 8.3L V8 rated at 555 hp and 1,230 lb-ft, uprates the 6.6L gas V8 to 412 hp and 472 lb-ft, and quotes up to 38,000 lb of gooseneck towing. Electric power steering and electronic brake boost are also new.

Sources

Prices and equipment are as published by Chevrolet for the model year shown; trim content changes between model years, so confirm a specific vehicle against its window sticker or build sheet.

2026 GM Fleet Guide (trucks: trims, equipment groups, engines, payload and trailering tables) — General Motors Fleet
2026 Chevrolet Silverado 2500 HD trims and starting MSRPs — Cars.com
GM raises the bar for Heavy-Duty power, capability and control headlined by all-new Duramax 8.3L Turbo-Diesel V8 engine (2027 HD) — GM Newsroom
2024 Chevy Silverado HD gets ZR2 off-road treatment — Motor Authority
2026 Silverado 2500 HD conventional and 5th-wheel/gooseneck trailering charts — Chevrolet (General Motors)
Chevrolet Silverado — Wikipedia (secondary reference)
2026 Silverado 3500 HD conventional and 5th-wheel/gooseneck trailering charts — Chevrolet (General Motors)

More Chevrolet tools

Independent reference compiled by CarWhere — not affiliated with or endorsed by General Motors. Chevrolet, GMC, Cadillac, Corvette, Duramax, Vortec and the model names are trademarks of their owner.