Summary

• With 52 currently listed for sale and an average price of $70,000.00 CAD, 25.0% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• 100.0% of 2026 Sierra 3500HD models on CarGurus are accident free.

• The 2026 GMC Sierra 3500HD is known for its impressive hauling and towing capabilities, luxurious higher trim levels, and smart tech features for towing and off-roading.

Why it stands out

The 2026 GMC Sierra 3500HD is a standout in the heavy-duty truck segment, combining robust performance with a touch of luxury. This model is particularly appealing to buyers who require serious towing and hauling capabilities, with the ability to tow up to 16,100 kilograms (35,500 pounds) when properly equipped. The Sierra 3500HD has evolved from its work truck roots into a more refined vehicle, especially in its higher trims like the Denali, which offers premium features and comfort. The fifth generation, introduced in 2020, has seen significant improvements in technology and safety, making it a more attractive option for modern truck buyers. While it excels in many areas, potential buyers should be aware that the top trims can be quite expensive, and parking in tight spaces may be challenging due to its size.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $68,000.00 CAD
  • Good/great deal percentage: 29.8%
  • User rating: 5 / 5
  • Total listings: 161

• 2023 GMC Sierra 3500HD

  • Average price: $66,000.00 CAD
  • Good/great deal percentage: 34.2%
  • Total listings: 155

• 2025 GMC Sierra 3500HD

  • Average price: $69,000.00 CAD
  • Good/great deal percentage: 33.3%
  • User rating: 5 / 5
  • Total listings: 144

This analysis is based on CarGurus' proprietary market data from July 27, 2026, CarGurus experts' opinions, and generative AI.