Summary

• With 1,203 currently listed for sale and an average price of $76,233.00, 28.6% 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.

• 95.7% of 2025 Sierra 3500HD models on CarGurus are accident free.

• The 2025 GMC Sierra 3500HD continues to offer impressive towing and hauling capabilities, along with luxurious features in higher trims, making it a strong contender in the heavy-duty truck market.

Why it stands out

The 2025 GMC Sierra 3500HD stands out in the heavy-duty truck segment due to its combination of robust performance and luxury features. With a maximum towing capacity of up to 35,500 pounds when properly equipped, it excels in hauling heavy loads, making it an ideal choice for both work and recreational use. The Sierra 3500HD is available in various configurations, including multiple cab styles and trim levels, allowing buyers to customize their truck to fit their specific needs. The higher trims, particularly the Denali, offer a refined interior with premium materials, advanced technology, and comfort features that elevate the driving experience. Additionally, the truck's strong accident-free percentage of 95.7% reflects its reliability and durability, appealing to buyers looking for a dependable workhorse.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $68,665.00
  • Good/great deal percentage: 29.5%
  • User rating: 5 / 5
  • Total listings: 1,252

• 2023 GMC Sierra 3500HD

  • Average price: $57,350.00
  • Good/great deal percentage: 28.8%
  • Accident-free percentage: 90.2%
  • Total listings: 1,145

• 2021 GMC Sierra 3500HD

  • Average price: $52,743.00
  • Good/great deal percentage: 29.0%
  • User rating: 5 / 5
  • Total listings: 628

This analysis is based on CarGurus' proprietary market data from August 3, 2026, CarGurus experts' opinions, and generative AI.