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Cars & Trucks for Sale in Sidney, Montana

Browse 0 cars & trucks for sale in Sidney, Montana. Each listing includes pricing, high-resolution photos, and detailed specifications. Use the financing calculator on any listing page to estimate monthly payments before visiting the dealer.

Browse all Cars & Trucks in Montana →

Cars & Trucks for Sale near

2026 GMC Sierra 1500

2026 GMC Sierra 1500

$69,815

Sidney, MT

2026 GMC Sierra 1500

2026 GMC Sierra 1500

$68,299

Sidney, MT

2026 GMC Sierra 2500 HD

2026 GMC Sierra 2500 HD

$65,160

Sidney, MT

2026 GMC Sierra 3500 HD

2026 GMC Sierra 3500 HD

$84,195

Sidney, MT

2026 GMC Sierra 2500 HD

2026 GMC Sierra 2500 HD

$100,119

Sidney, MT

2026 GMC Sierra 2500 HD

2026 GMC Sierra 2500 HD

$65,160

Sidney, MT

2026 GMC Sierra 1500

2026 GMC Sierra 1500

$64,585

Sidney, MT

2026 GMC Yukon

2026 GMC Yukon

$86,790

Sidney, MT

2026 GMC Sierra 1500

2026 GMC Sierra 1500

$66,089

Sidney, MT

2026 GMC Sierra 1500

2026 GMC Sierra 1500

$68,029

Sidney, MT

2026 GMC Yukon

2026 GMC Yukon

$92,660

Sidney, MT

2026 GMC Sierra 3500 HD

2026 GMC Sierra 3500 HD

$84,864

Sidney, MT

2026 GMC Yukon

2026 GMC Yukon

$108,184

Sidney, MT

2026 GMC Yukon XL

2026 GMC Yukon XL

$102,660

Sidney, MT

2026 GMC Terrain

2026 GMC Terrain

$45,565

Sidney, MT

2026 GMC Sierra 3500 HD

2026 GMC Sierra 3500 HD

$92,895

Sidney, MT

2026 GMC Acadia

2026 GMC Acadia

$68,035

Sidney, MT

2026 GMC Acadia

2026 GMC Acadia

$60,615

Sidney, MT

2026 GMC Sierra 2500 HD

2026 GMC Sierra 2500 HD

$108,615

Sidney, MT

2026 Chevrolet Traverse

2026 Chevrolet Traverse

$61,910

Sidney, MT

2026 Chevrolet Silverado 1500

2026 Chevrolet Silverado 1500

$72,915

Sidney, MT

2026 Chevrolet Silverado 1500

2026 Chevrolet Silverado 1500

$51,655

Sidney, MT

2026 Chevrolet Silverado 1500

2026 Chevrolet Silverado 1500

$65,010

Sidney, MT

2027 Chevrolet Equinox

2027 Chevrolet Equinox

$37,380

Sidney, MT

Updating results…
46 Cars & TrucksNationwide

Auto Insurance

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Deal badges compare each price to the market.Browse 46 listings — deal badges show how each is priced against comparable inventory.
Updating results…
46 Cars & TrucksNationwide

Auto Insurance

Compare quotes from top-rated providers and start saving in minutes.

Insurance partnersInsurify insuranceRoamly insurance

We may earn a commission, at no extra cost to you. Affiliate disclosure.

Compare quotes
Deal badges compare each price to the market.Browse 46 listings — deal badges show how each is priced against comparable inventory.
2026 GMC Sierra 1500 Denali — front three-quarter view
New

2026 GMC Sierra 1500 Denali

$74,065
Save $4,250
$69,815
Est. $997.55/mo*
Sidney, MT
2026 GMC Sierra 1500 AT4 — front three-quarter view
New

2026 GMC Sierra 1500 AT4

$75,150
Save $6,851
$68,299
Est. $975.89/mo*
Sidney, MT
2026 GMC Sierra 2500 HD SLE — front three-quarter view
New

2026 GMC Sierra 2500 HD SLE

$66,160
Save $1,000
$65,160
Est. $931.03/mo*
Sidney, MT
2026 GMC Sierra 3500 HD SLT — front three-quarter view
New

2026 GMC Sierra 3500 HD SLT

$85,195
Save $1,000
$84,195
Est. $1,203.02/mo*
Sidney, MT
2026 GMC Sierra 2500 HD AT4X — front three-quarter view
New

2026 GMC Sierra 2500 HD AT4X

$100,119
Est. $1,430.54/mo*
Sidney, MT
2026 GMC Sierra 2500 HD SLE — front three-quarter view
New

2026 GMC Sierra 2500 HD SLE

$66,160
Save $1,000
$65,160
Est. $931.03/mo*
Sidney, MT
2026 GMC Sierra 1500 SLT — front three-quarter view
New

2026 GMC Sierra 1500 SLT

$68,835
Save $4,250
$64,585
Est. $922.82/mo*
Sidney, MT
2026 GMC Yukon Denali — front three-quarter view
New

2026 GMC Yukon Denali

$86,790
Est. $1,240.09/mo*
Sidney, MT
2026 GMC Sierra 1500 SLT — front three-quarter view
New

2026 GMC Sierra 1500 SLT

$72,920
Save $6,831
$66,089
Est. $944.31/mo*
Sidney, MT
2026 GMC Sierra 1500 Denali — front three-quarter view
New

2026 GMC Sierra 1500 Denali

$74,760
Save $6,731
$68,029
Est. $972.03/mo*
Sidney, MT
2026 GMC Yukon Denali — front three-quarter view
New

2026 GMC Yukon Denali

$92,660
Est. $1,323.97/mo*
Sidney, MT
2026 GMC Sierra 3500 HD SLT — front three-quarter view
New

2026 GMC Sierra 3500 HD SLT

$85,864
Save $1,000
$84,864
Est. $1,212.57/mo*
Sidney, MT
2026 GMC Yukon Denali Ultimate — front three-quarter view
New

2026 GMC Yukon Denali Ultimate

$108,184
Est. $1,545.78/mo*
Sidney, MT
2026 GMC Yukon XL Denali — front three-quarter view
New

2026 GMC Yukon XL Denali

$102,660
Est. $1,466.85/mo*
Sidney, MT
2026 GMC Terrain AT4 — front three-quarter view
New

2026 GMC Terrain AT4

$46,565
Save $1,000
$45,565
Est. $651.05/mo*
Sidney, MT
2026 GMC Sierra 3500 HD AT4 — front three-quarter view
New

2026 GMC Sierra 3500 HD AT4

$93,895
Save $1,000
$92,895
Est. $1,327.32/mo*
Sidney, MT
2026 GMC Acadia Denali Ultimate — front three-quarter view
New

2026 GMC Acadia Denali Ultimate

$68,035
Est. $972.11/mo*
Sidney, MT
2026 GMC Acadia Elevation — front three-quarter view
New

2026 GMC Acadia Elevation

$60,615
Est. $866.09/mo*
Sidney, MT
2026 GMC Sierra 1500 Denali — front three-quarter view
New

2026 GMC Sierra 1500 Denali

$74,065
Save $4,250
$69,815
Est. $997.55/mo*
Sidney, MT
2026 GMC Sierra 1500 AT4 — front three-quarter view
New

2026 GMC Sierra 1500 AT4

$75,150
Save $6,851
$68,299
Est. $975.89/mo*
Sidney, MT
2026 GMC Sierra 2500 HD SLE — front three-quarter view
New

2026 GMC Sierra 2500 HD SLE

$66,160
Save $1,000
$65,160
Est. $931.03/mo*
Sidney, MT
2026 GMC Sierra 3500 HD SLT — front three-quarter view
New

2026 GMC Sierra 3500 HD SLT

$85,195
Save $1,000
$84,195
Est. $1,203.02/mo*
Sidney, MT
2026 GMC Sierra 2500 HD AT4X — front three-quarter view
New

2026 GMC Sierra 2500 HD AT4X

$100,119
Est. $1,430.54/mo*
Sidney, MT
2026 GMC Sierra 2500 HD SLE — front three-quarter view
New

2026 GMC Sierra 2500 HD SLE

$66,160
Save $1,000
$65,160
Est. $931.03/mo*
Sidney, MT
2026 GMC Sierra 1500 SLT — front three-quarter view
New

2026 GMC Sierra 1500 SLT

$68,835
Save $4,250
$64,585
Est. $922.82/mo*
Sidney, MT
2026 GMC Yukon Denali — front three-quarter view
New

2026 GMC Yukon Denali

$86,790
Est. $1,240.09/mo*
Sidney, MT
2026 GMC Sierra 1500 SLT — front three-quarter view
New

2026 GMC Sierra 1500 SLT

$72,920
Save $6,831
$66,089
Est. $944.31/mo*
Sidney, MT
2026 GMC Sierra 1500 Denali — front three-quarter view
New

2026 GMC Sierra 1500 Denali

$74,760
Save $6,731
$68,029
Est. $972.03/mo*
Sidney, MT
2026 GMC Yukon Denali — front three-quarter view
New

2026 GMC Yukon Denali

$92,660
Est. $1,323.97/mo*
Sidney, MT
2026 GMC Sierra 3500 HD SLT — front three-quarter view
New

2026 GMC Sierra 3500 HD SLT

$85,864
Save $1,000
$84,864
Est. $1,212.57/mo*
Sidney, MT
2026 GMC Yukon Denali Ultimate — front three-quarter view
New

2026 GMC Yukon Denali Ultimate

$108,184
Est. $1,545.78/mo*
Sidney, MT
2026 GMC Yukon XL Denali — front three-quarter view
New

2026 GMC Yukon XL Denali

$102,660
Est. $1,466.85/mo*
Sidney, MT
2026 GMC Terrain AT4 — front three-quarter view
New

2026 GMC Terrain AT4

$46,565
Save $1,000
$45,565
Est. $651.05/mo*
Sidney, MT
2026 GMC Sierra 3500 HD AT4 — front three-quarter view
New

2026 GMC Sierra 3500 HD AT4

$93,895
Save $1,000
$92,895
Est. $1,327.32/mo*
Sidney, MT
2026 GMC Acadia Denali Ultimate — front three-quarter view
New

2026 GMC Acadia Denali Ultimate

$68,035
Est. $972.11/mo*
Sidney, MT
2026 GMC Acadia Elevation — front three-quarter view
New

2026 GMC Acadia Elevation

$60,615
Est. $866.09/mo*
Sidney, MT
Popular Makes
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Last updated: October 29, 2026