GMC Sierra 3500 for Sale in Delaware

Live GMC Sierra 3500 inventory in Delaware, priced low to high.

5 listings · $65,229 – $105,188

New 2026 GMC Sierra 3500

SLT

$65,229

MSRP: $71,4308.7% off

0 mi

Est. $943/mo*

17 days at this dealer

SilverGray

i.g. Burton Lewes Automall

Lewes, DE

Used 2025 GMC Sierra 3500

Denali

$70,794

40,827 mi

Est. $1,022/mo*

2 days at this dealer

Black

i.g. Burton Chevrolet of Seaford

Seaford, DE

New 2026 GMC Sierra 3500

Denali

$87,938

MSRP: $96,6399% off

0 mi

Est. $1,267/mo*

73 days at this dealer

WhiteBlack

i.g. Burton Lewes Automall

Lewes, DE

Certified 2026 GMC Sierra 3500

Denali

$90,689

6,645 mi

Est. $1,306/mo*

40 days at this dealer

Onyx BlackJet Black

Porter Chevrolet

Newark, DE

New 2026 GMC Sierra 3500

Denali Ultimate

$105,188

MSRP: $107,5902.2% off

0 mi

Est. $1,512/mo*

49 days at this dealer

WhiteBlue

Hertrich Buick GMC

Seaford, DE