Available Inventory

New 2023 GMC Sierra 3500HD Crew Cab Standard Box 4-Wheel Drive Denali

• McCosh Price $86,680
• MSRP $86,680
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $61,538
• MSRP $62,538
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $64,425
• MSRP $64,425
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $63,538
• MSRP $63,538
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Regular Cab Long Box 4-Wheel Drive Pro

• McCosh Price $52,325
• MSRP $52,325
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive AT4

• McCosh Price $90,125
• MSRP $90,125
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Denali

• McCosh Price $89,490
• MSRP $89,490
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $65,780
• MSRP $65,780
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $65,145
• MSRP $65,145
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $65,145
• MSRP $65,145
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $63,538
• MSRP $63,538
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $65,145
• MSRP $65,145
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

• In-Transit In-Transit

  This vehicle has been shipped from the assembly plant and will arrive in the near future. Please contact us for more details.

New 2023 GMC Sierra 3500HD Crew Cab Long Box 4-Wheel Drive Pro

• McCosh Price $65,755
• MSRP $65,755
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2023 GMC Sierra 3500HD Crew Cab Standard Box 4-Wheel Drive SLE

• McCosh Price $64,555
• MSRP $64,555
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.