Summary

• With 137 currently listed for sale and an average price of $96,445.00 CAD, 24.1% of 2025 GMC Sierra 3500HD models for sale on CarGurus are rated as good or great deals.

• Favourably reviewed: Owners rated the 2025 GMC Sierra 3500HD 5 / 5 stars.

• 100.0% of 2025 Sierra 3500HD models on CarGurus are accident-free.

Why it stands out

The 2025 GMC Sierra 3500HD is a robust contender in the heavy-duty truck segment, known for its remarkable towing and hauling capabilities. With a strong emphasis on comfort and luxury, particularly in the higher-end Denali trims, it has effectively carved a niche that appeals to both work and leisure users. The fifth generation, introduced in 2020, has brought significant enhancements, including a stronger frame and improved technology. With two powerful engine options, the Sierra 3500HD can tow up to an incredible 16,100 kilograms (35,500 pounds), showcasing its impressive engineering prowess. While it remains a favorite for its hauling capabilities, some users may find its size a challenge in tighter spaces. Nevertheless, its combination of advanced technology and sophisticated interiors makes it a suitable choice for both utility and luxury.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $84,948.00 CAD
  • Good/great deal percentage: 23.2%
  • User rating: 5 / 5
  • Total listings: 164

• 2023 GMC Sierra 3500HD

  • Average price: $76,249.00 CAD
  • Good/great deal percentage: 25.3%
  • Total listings: 166

• 2021 GMC Sierra 3500HD

  • Average price: $65,902.00 CAD
  • Good/great deal percentage: 23.7%
  • User rating: 5 / 5
  • Total listings: 93

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