GMC Sierra 3500 for Sale in Louisiana

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

13 listings · $64,295 – $102,785

New 2026 GMC Sierra 3500

Pro

$64,295

MSRP: $72,79511.7% off

6 mi

Est. $930/mo*

111 days on market

Coastal DuneJet Black

Legacy GMC of Slidell

Slidell, LA

New 2026 GMC Sierra 3500

Chassis Pro

$67,346

MSRP: $68,9102.3% off

180 mi

Est. $973/mo*

87 days on market

WhiteBlack

Hood Automotive Amite

Amite, LA

New 2026 GMC Sierra 3500

Chassis Pro

$72,046

149 mi

Est. $1,040/mo*

129 days on market

Summit WhiteJet Black

Sango Buick GMC

Winnsboro, LA

New 2026 GMC Sierra 3500

Pro

$73,061

5 mi

Est. $1,055/mo*

110 days on market

Summit WhiteJet Black

Rainbow Northshore GMC

Covington, LA

Used 2026 GMC Sierra 3500

Denali

$77,974

3,847 mi

Est. $1,125/mo*

80 days on market

Onyx BlackJet Black

Legacy GMC of Slidell

Slidell, LA

Used 2025 GMC Sierra 3500

Denali Ultimate

$82,940

27,188 mi

Est. $1,195/mo*

12 days on market

WhiteBrown

Gateway Ford

Ponchatoula, LA

New 2026 GMC Sierra 3500

SLT

$88,341

2 mi

Est. $1,272/mo*

72 days on market

WhiteBrown

Fabre Chevrolet GMC

Saint Francisville, LA

Used 2026 GMC Sierra 3500

Denali

$90,645

2,560 mi

Est. $1,305/mo*

53 days on market

Brown

All Star Buick GMC Truck, Inc.

Sulphur, LA

New 2026 GMC Sierra 3500

Denali

$93,216

2 mi

Est. $1,342/mo*

67 days on market

WhiteBrown

Fabre Chevrolet GMC

Saint Francisville, LA

New 2026 GMC Sierra 3500

Denali

$93,216

3 mi

Est. $1,342/mo*

68 days on market

WhiteBrown

Fabre Chevrolet GMC

Saint Francisville, LA

New 2026 GMC Sierra 3500

Denali Ultimate

$95,760

MSRP: $107,26010.7% off

6 mi

Est. $1,378/mo*

113 days on market

Downpour MetallicAlpine Umber

Legacy GMC of Slidell

Slidell, LA

New 2026 GMC Sierra 3500

Denali Ultimate

$98,609

MSRP: $109,1099.6% off

3 mi

Est. $1,419/mo*

12 days on market

WhiteAlpine Umber

Legacy GMC of Slidell

Slidell, LA

New 2026 GMC Sierra 3500

Denali Ultimate

$102,785

454 mi

Est. $1,478/mo*

110 days on market

SterlingAlpine Umber

Rainbow Northshore GMC

Covington, LA