Summary

• With 187 currently listed for sale near Denver, CO and an average price of $76,013.00, 15.5% of 2025 GMC Sierra 3500HD models for sale on CarGurus are rated as good or great deals.

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

• 97.3% of 2025 Sierra 3500HD models on CarGurus are accident free.

• The 2025 GMC Sierra 3500HD continues to offer impressive hauling and towing capabilities, alongside luxurious trims, smart technology, and a robust diesel engine option.

Why it stands out

The 2025 GMC Sierra 3500HD stands out in the heavy-duty truck market due to its remarkable combination of capabilities and features that cater to both work and luxury needs. With a maximum towing capacity of up to 35,500 pounds and impressive payload capabilities, it excels as a workhorse. The option of a powerful 6.6-liter Duramax turbodiesel engine adds significant appeal for buyers needing robust performance. Furthermore, the Sierra 3500HD's range of trims, especially the Denali, provides a plush and refined interior with advanced technology, making it suitable for those who desire both functionality and comfort. This truck not only adheres to traditional heavy-duty standards but also embraces modern luxury, significantly appealing to a broad spectrum of buyers.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $66,300.00
  • Good/great deal percentage: 19.4%
  • User rating: 5 / 5
  • Total listings: 201

• 2023 GMC Sierra 3500HD

  • Average price: $57,022.00
  • Good/great deal percentage: 19.1%
  • Accident-free percentage: 95.2%
  • Total listings: 188

• 2019 GMC Sierra 3500HD

  • Average price: $42,137.00
  • Good/great deal percentage: 25.4%
  • User rating: 5 / 5
  • Total listings: 63

This analysis is based on CarGurus' proprietary market data from June 23, 2026, CarGurus experts' opinions, and generative AI.