Summary

• With 1,296 currently listed for sale and an average price of $68,734.00, 30.6% of 2024 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.

• Favorably reviewed: Owners rated the 2024 GMC Sierra 3500HD 5 / 5 stars.

• 94.8% of 2024 Sierra 3500HD models on CarGurus are accident free.

Why it stands out

The 2024 GMC Sierra 3500HD stands out as a heavy-duty truck that blends serious work capability with a more upscale personality than many buyers expect from a one-ton pickup. It traces its appeal to the Sierra line’s “commercial grade” character, but the modern truck also leans into refinement, especially in its higher trims. For shoppers who need a truck that can do real towing and hauling while still offering a more polished cabin and available luxury features, that combination is a major part of its identity.

For 2024, the Sierra 3500HD received a slight styling refresh that updated the front fascia and headlights. The turbodiesel also gained more output, rising to 470 hp and 975 lb-ft of torque. A larger 13.4-inch infotainment touchscreen and a digital instrument panel were added to the SLE trim and above, and trailering tech expanded with enhanced adaptive cruise control, a weight limit monitor, and a transparent trailer camera view. The lineup also included the new Denali Ultimate trim, which became the top model and added features such as power-retracting running boards, adaptive cruise control, cooled and massaging front seats, a digital rearview mirror, and a sunroof.

Even with those upgrades, the Sierra 3500HD remains a truck with clear tradeoffs. It is described as unwieldy in parking lots, and top trims can be prohibitively expensive. Fuel economy is also not a strength, with the gasoline V8 expected to return only between 10 and 15 mpg, while the turbodiesel should improve those figures by two or three mpg. Still, for buyers focused on capability, available technology, and a more refined heavy-duty experience, the 2024 GMC Sierra 3500HD has a strong and distinctive appeal.

Other model years to consider

• 2025 GMC Sierra 3500HD

  • Average price: $76,288.00
  • Good/great deal percentage: 29.7%
  • User rating: 5 / 5
  • Total listings: 1,228

• 2023 GMC Sierra 3500HD

  • Average price: $57,661.00
  • Good/great deal percentage: 29.9%
  • Total listings: 1,174

• 2020 GMC Sierra 3500HD

  • Average price: $51,371.00
  • Good/great deal percentage: 30.5%
  • User rating: 5 / 5
  • Total listings: 439

This analysis is based on CarGurus' proprietary market data from August 10, 2026, CarGurus experts' opinions, and generative AI.