New GMC Sierra 3500HD for Sale nearUnicoi, TN

How much does the GMC Sierra 3500HD cost in today's market?

Used GMC Sierra 3500HD prices span a wide range depending on model year. Here's what the market looks like right now:

The GMC Sierra 3500HD's current nationwide average price is $60,174, and its nationwide average price reached a low of $57,368 over the past year. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the GMC Sierra 3500HD a good car?

Yes — the GMC Sierra 3500HD earns strong marks from owners across its lineup.

The all-generations owner rating is 4.62/5 across every model year in the data.

Owners consistently praise its towing strength, powerful performance, durable build quality, comfortable ride, and spacious interior. Those themes show up across the model years and help explain why it appeals to buyers who want a heavy-duty truck that can handle work and daily driving alike.

29.9% of listings are priced as good or great deals.

Are GMC Sierra 3500HD models reliable?

Owners consistently praise the GMC Sierra 3500HD for its strong towing ability, powerful performance, and durable build quality. Expert and owner feedback also points to a comfortable ride and a spacious cabin, which adds to its appeal as a long-term work truck and daily driver.

• Owners rate the GMC Sierra 3500HD between 3.0 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is shaped by the truck’s heavy-duty use case and the need to verify history carefully, especially on older examples.

What should I look for when buying a used GMC Sierra 3500HD?

Across all model years, accident-free inventory is solid at 85.8% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

What GMC Sierra 3500HD do most buyers choose?

The GMC Sierra 3500HD years with the most listings are 2024, 2025, and 2023.

These higher-volume years tend to draw the most attention because they give you more inventory to compare and more chances to find the right trim, cab, and equipment mix. They also pair strong availability with a healthy share of good and great deals.

What is the GMC Sierra 3500HD's resale value?

Most model years in the table are down year over year, which creates more room for used buyers to find value. The largest drops are in the newer and mid-cycle years, while the smallest changes appear in the older model years. That pattern suggests the market is giving you more negotiating leverage on many recent trucks.

The 2018, 2016, and 2015 model years have held their value best, with the smallest year-over-year price changes.

Should I buy a used GMC Sierra 3500HD now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −10.09% versus a year ago, and the 2024 model is at −6.6%.
• Deal availability: The 2025 model has 31% good and great deals, and the 2024 model has 32.8%.
• Sweet-spot year: The 2024 model has the most listings at a current average price of $67,917.

If you're buying used today, the 2024 model year offers the best mix of value and availability. If you want the newest version, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.