Compare 5 trims on the 2021 GMC Sierra 3500

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.

Our comparison will help you prioritize the trims that are right for you.

2021 GMC Sierra 3500 model details Shop 2021 GMC Sierra 3500

AT4 (2 styles)

4WD Crew Cab 172" AT4	4WD Crew Cab 159" AT4
$60,500 Starting MSRP	$60,300 Starting MSRP
0 combined MPG MPG	0 combined MPG MPG
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine
6-Speed A/T Transmission	6-Speed A/T Transmission
Four Wheel Drive Drivetrain	Four Wheel Drive Drivetrain
Oxford Brown Metallic Infrared Tintcoat Summit White Black Raven Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Infrared Tintcoat Summit White Black Raven Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors
5 Seating Capacity	5 Seating Capacity
View full specs	View full specs

Shop 2021 GMC Sierra 3500HD AT4

Denali (2 styles)

4WD Crew Cab 159" Denali	4WD Crew Cab 172" Denali
$66,700 Starting MSRP	$66,900 Starting MSRP
0 combined MPG MPG	0 combined MPG MPG
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine
6-Speed A/T Transmission	6-Speed A/T Transmission
Four Wheel Drive Drivetrain	Four Wheel Drive Drivetrain
Manhattan Noir Metallic Wilder Metallic Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors	Manhattan Noir Metallic Wilder Metallic Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors
5 Seating Capacity	5 Seating Capacity
View full specs	View full specs

Shop 2021 GMC Sierra 3500HD Denali

SLE (8 styles)

4WD Reg Cab 142" SLE	2WD Reg Cab 142" SLE	4WD Crew Cab 159" SLE	4WD Crew Cab 172" SLE	2WD Crew Cab 159" SLE	2WD Crew Cab 172" SLE	2WD Double Cab 162" SLE	4WD Double Cab 162" SLE
$45,600 Starting MSRP	$42,800 Starting MSRP	$49,400 Starting MSRP	$49,600 Starting MSRP	$46,600 Starting MSRP	$46,800 Starting MSRP	$45,000 Starting MSRP	$47,800 Starting MSRP
0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine
6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission
Four Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Four Wheel Drive Drivetrain	Four Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Four Wheel Drive Drivetrain
Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic Exterior Colors
3 Seating Capacity	3 Seating Capacity	5 Seating Capacity	5 Seating Capacity	5 Seating Capacity	5 Seating Capacity	5 Seating Capacity	5 Seating Capacity
View full specs	View full specs	View full specs	View full specs	View full specs	View full specs	View full specs	View full specs

Shop 2021 GMC Sierra 3500HD SLE

SLT (4 styles)

4WD Crew Cab 172" SLT	2WD Crew Cab 159" SLT	2WD Crew Cab 172" SLT	4WD Crew Cab 159" SLT
$57,600 Starting MSRP	$54,600 Starting MSRP	$54,800 Starting MSRP	$57,400 Starting MSRP
0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG	0 combined MPG MPG
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine	445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) Engine
6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission	6-Speed A/T Transmission
Four Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Rear Wheel Drive Drivetrain	Four Wheel Drive Drivetrain
Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors	Oxford Brown Metallic Red Hot Infrared Tintcoat Summit White Black Raven Quicksilver Metallic Ebony Twilight Metallic Twilight Blue Metallic White Frost Tricoat Exterior Colors
5 Seating Capacity	5 Seating Capacity	5 Seating Capacity	5 Seating Capacity
View full specs	View full specs	View full specs	View full specs

Shop 2021 GMC Sierra 3500HD SLT

Compare 5 trims on the 2021 GMC Sierra 3500

AT4 (2 styles)

Denali (2 styles)

SLE (8 styles)

SLT (4 styles)

Research the 2021 GMC Sierra 3500