Summary

• With 1,268 currently listed for sale and an average price of $77,261.00, 31.9% of 2025 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

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

• 95.4% of 2025 Sierra 3500HD models on CarGurus are accident free.

Why it stands out

The 2025 GMC Sierra 3500HD continues to impress as a robust heavy-duty truck, known for its formidable towing and hauling capabilities. With a maximum towing capacity of up to 35,500 pounds when properly equipped, it is a preferred choice for those who require serious performance for work or recreational activities. Buyers will appreciate the luxurious Denali trim, which combines upscale materials with advanced technology, enhancing both comfort and convenience. The Sierra 3500HD is also praised for its smart tech features that support towing and off-roading. While its large dimensions may make parking a challenge, the substantial benefits offered through its powertrain options and trim levels make it an appealing choice for consumers looking for a dependable workhorse.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $69,368.00
  • Good/great deal percentage: 32.5%
  • User rating: 5 / 5
  • Total listings: 1,401

• 2023 GMC Sierra 3500HD

  • Average price: $57,529.00
  • Good/great deal percentage: 33.0%
  • Accident-free percentage: 91.5%
  • Total listings: 1,315

• 2021 GMC Sierra 3500HD

  • Average price: $51,663.00
  • Good/great deal percentage: 31.5%
  • User rating: 5 / 5
  • Total listings: 712

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