Home › Cars › GMC › Sierra 3500HD

2021 GMC Sierra 3500HD AT4

$53,202

83,677 miles · Austin, TX · listed by Covert Chevrolet Bastrop

See this car on covertbastrop.com →More GMC Sierra 3500HDAsk the Companion what to offer

What we know about this car

• In this index for 6 days (first seen Oct 11, 2026). A seller may have advertised it before we first read their site.
• We hold 9 2021 GMC Sierra 3500HD with 80,000–100,000 miles. Their middle asking price is $51,280 (half fall between $48,249 and $53,386); this one is $1,922 above the middle. These are asking prices, not sale prices, and trim, options and condition differ.

Also advertised by

The same VIN appears on 2 other sites.

Similar GMC Sierra 3500HD

no photo

2023 GMC Sierra 3500HD AT4

$56,998

58,081 mi · Dublin, CA

Dublin Nissan

no photo

2024 GMC Sierra 3500HD 4WD Double Cab Long Bed Pro

$45,650

54,019 mi · Benton, AR

Chris Crain Hyundai

2025 Gmc Sierra 3500HD Denali

$75,389

10,189 mi

cedarcitychryslerdodgejeepram.com

no photo

2016 GMC Sierra 3500HD Denali

$55,000

34,491 mi · Waldorf, MD

Prince Frederick Chrysler Jeep Dodge

no photo

2025 GMC Sierra 3500HD Denali Ultimate

$79,311

33,053 mi · Fort Collins, CO

Dellenbach Subaru

no photo

2024 GMC Sierra 3500HD 4WD Regular Cab Long Bed Pro

$43,210

32,245 mi · Avon, NY

Bob Johnson Chrysler Dodge Jeep Ram - Avon

no photo

2025 GMC Sierra 3500HD Denali

$79,995

7,526 mi · Fairbanks, AK

Seekins Ford Lincoln

no photo

2024 GMC Sierra 3500HD Denali

$74,995

30,516 mi · Fairbanks, AK

Seekins Ford Lincoln