Summary

• With 1,271 currently listed for sale and an average price of $57,715.00, 33.4% of 2023 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• 91.7% of 2023 Sierra 3500HD models on CarGurus are accident-free.

• The 2023 GMC Sierra 3500HD is noted for its impressive hauling and towing capabilities with smart tech features tailored for towing and off-roading, along with luxurious higher trim levels.

Why it stands out

The 2023 GMC Sierra 3500HD continues to hold its ground as a formidable heavy-duty truck, known for its exceptional towing and hauling capabilities. With a maximum towing capacity of up to 35,500 pounds when properly equipped, it excels in heavy-duty work, making it a top choice for buyers needing robust performance. The truck's various trim levels, including the luxurious Denali option, provide a mixture of functionality and comfort, catering to a wide range of preferences and needs. Noteworthy features include advanced towing technologies and spacious, upscale interiors in higher trims, enhancing the overall ownership experience. Despite its strengths, potential buyers should consider that its larger size may present challenges in tight parking situations and that the highest trims can be quite expensive.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $69,376.00
  • Good/great deal percentage: 33.1%
  • User rating: 5 / 5
  • Total listings: 1,364

• 2025 GMC Sierra 3500HD

  • Average price: $77,466.00
  • Good/great deal percentage: 32.1%
  • User rating: 5 / 5
  • Total listings: 1,249

• 2021 GMC Sierra 3500HD

  • Average price: $52,169.00
  • Good/great deal percentage: 32.3%
  • User rating: 5 / 5
  • Total listings: 722

This analysis is based on CarGurus' proprietary market data from June 29, 2026, CarGurus experts' opinions, and generative AI.