Shop new Vehicles - Bob McCosh Chevrolet Buick GMC in COLUMBIA

New 2026 GMC Sierra 3500 HD AT4

• MSRP $92,730
• MSRP $92,730
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro DRW

• MSRP $69,740
• MSRP $69,740
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Denali

• MSRP $93,375
• MSRP $93,375
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD SLE

• MSRP $78,335
• MSRP $78,335
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Denali

• MSRP $92,880
• MSRP $92,880
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Denali

• MSRP $91,305
• MSRP $91,305
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $66,915
• MSRP $66,915
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $69,980
• MSRP $69,980
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD Pro

• MSRP $67,881
• MSRP $67,881
• 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. 11/16/26

New 2026 GMC Sierra 3500 HD Denali Ultimate DRW

• MSRP $108,540
• MSRP $108,540
• 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. 11/13/26

New 2026 GMC Sierra 3500 HD Denali Ultimate DRW

• MSRP $107,940
• MSRP $107,940
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

New 2026 GMC Sierra 3500 HD SLE

• MSRP $65,740
• MSRP $65,740
• See Important Disclosures Here The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.