Summary

• With 538 currently listed for sale and an average price of $87,697.00, 31.6% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• 97.2% of 2026 Sierra 3500HD models on CarGurus are accident free.

• The 2026 GMC Sierra 3500HD offers impressive hauling and towing capabilities, making it a strong choice for heavy-duty needs.

Why it stands out

The 2026 GMC Sierra 3500HD excels in the heavy-duty truck segment by delivering a blend of robust performance and upscale features. With historically strong towing capabilities—up to 35,500 pounds when equipped with the right configuration and diesel engine—this truck is designed for serious work. It boasts luxurious appointments, particularly in higher trims like the Denali, offering premium leather, advanced technology, and innovative features meant for both work and leisure. With improvements in towing capacity and technology advancements over the years, the Sierra 3500HD remains a sophisticated choice amidst competition from Ford and Ram heavy-duty trucks. Additionally, with 97.2% of listings being accident-free, it stands out for its reliability, making it an appealing investment for buyers keen on a durable workhorse.

Other model years to consider

• 2024 GMC Sierra 3500HD

  • Average price: $69,376.00
  • Good/great deal percentage: 33.1%
  • User rating: 5 / 5
  • Total listings: 1,364

• 2023 GMC Sierra 3500HD

  • Average price: $57,715.00
  • Good/great deal percentage: 33.4%
  • Total listings: 1,271

• 2025 GMC Sierra 3500HD

  • Average price: $77,466.00
  • Good/great deal percentage: 32.1%
  • User rating: 5 / 5
  • Total listings: 1,249

This analysis is based on CarGurus' proprietary market data from June 29, 2026, CarGurus experts' opinions, and generative AI.