Summary

• With 522 currently listed for sale and an average price of $86,123.00, 30.1% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• 97.7% of 2026 Sierra 3500HD models on CarGurus are accident free.

• The 2026 GMC Sierra 3500HD continues to be a robust choice for heavy-duty truck buyers, offering impressive towing and hauling capabilities along with luxurious trim options.

Why it stands out

The 2026 GMC Sierra 3500HD stands out in the heavy-duty truck segment due to its blend of rugged performance and refined luxury. With a history dating back to the early 1900s, the Sierra 3500HD has evolved from a workhorse to a sophisticated vehicle that appeals to both commercial users and everyday drivers. Its impressive towing capacity, which can reach up to 35,500 pounds when properly equipped, makes it a top choice for those needing serious hauling power. The truck is available in various configurations, including multiple cab styles and trim levels, allowing buyers to customize their vehicle to fit their needs. The higher trims, particularly the Denali, offer a luxurious interior with advanced technology and comfort features, making it suitable for both work and leisure. While it excels in many areas, potential buyers should be aware that its size can make it challenging to maneuver in tight spaces, and top-tier models can be quite expensive.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $68,724.00
  • Good/great deal percentage: 30.4%
  • User rating: 5 / 5
  • Total listings: 1,243

• 2025 GMC Sierra 3500HD

  • Average price: $76,212.00
  • Good/great deal percentage: 29.6%
  • User rating: 5 / 5
  • Total listings: 1,175

• 2023 GMC Sierra 3500HD

  • Average price: $57,210.00
  • Good/great deal percentage: 29.5%
  • Accident-free percentage: 90.3%
  • Total listings: 1,157

This analysis is based on CarGurus' proprietary market data from July 31, 2026, CarGurus experts' opinions, and generative AI.