Summary

• With 532 currently listed for sale and an average price of $88,889.00, 30.8% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• 97.6% of 2026 Sierra 3500HD models on CarGurus are accident free.

• The 2026 GMC Sierra 3500HD continues its legacy as a powerful workhorse with enhanced towing and hauling capabilities, luxurious trim options, and modern technology features appealing to both commercial and consumer buyers.

Why it stands out

The 2026 GMC Sierra 3500HD stands out in the heavy-duty truck segment due to its impressive towing capacity of up to 35,500 pounds and a payload capacity of 7,442 pounds, making it a top choice for those in need of serious hauling capabilities. Buyers appreciate the high-end Denali trim for its luxurious features, including premium leather seating, advanced infotainment systems, and innovative trailering technology. The latest models have also introduced several enhancements in powertrains and safety features, making them not just strong but also more efficient and safer. High owner satisfaction, as indicated by a strong accident-free percentage, assures buyers that the Sierra 3500HD is a reliable option. Its modern design and advanced technology make it attractive for everyday use, while still retaining the rugged capabilities needed for work tasks.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $69,368.00
  • Good/great deal percentage: 32.5%
  • User rating: 5 / 5
  • Total listings: 1,401

• 2023 GMC Sierra 3500HD

  • Average price: $57,529.00
  • Good/great deal percentage: 33.0%
  • Accident-free percentage: 91.5%
  • Total listings: 1,315

• 2025 GMC Sierra 3500HD

  • Average price: $77,261.00
  • Good/great deal percentage: 31.9%
  • User rating: 5 / 5
  • Total listings: 1,268

This analysis is based on CarGurus' proprietary market data from June 22, 2026, CarGurus experts' opinions, and generative AI.