Used GMC Sierra 3500HD for Sale nearHarrisburg, PA

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 $60,279, and its year-round low is $57,378.33. That puts the model's pricing in a broad spread across recent and older model years, with newer trucks commanding the highest averages.
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 the 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, and durable build quality. They also frequently highlight the comfortable ride and spacious interior, which help the truck work well for both jobsite duty and everyday use. 28.3% of listings are priced as good or great deals.

Are GMC Sierra 3500HD models reliable?

Owners consistently praise the Sierra 3500HD for its strong performance, durable build quality, and comfortable ride. Expert and owner feedback also points to a truck that feels well suited to demanding work while still offering a spacious cabin and broad configuration range.

• 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 most by model-year condition and history, so a careful inspection and vehicle-history review matter especially on older trucks.

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

Across all model years, accident-free inventory is solid at 85.7% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2021 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 be popular 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?

The table shows broad price declines across every model year listed, which is favorable if you're shopping used. Several recent years have seen especially sharp drops, while a few older years have moved down more gradually.
The pattern suggests you can find meaningful value across the lineup, especially if you're flexible on model year and trim. The 2018, 2015, and 2016 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 −10.78% versus a year ago, and the 2024 model is at −6.54%.
• Deal availability: The 2025 model has 29.2% good and great deals, and the 2024 model has 29.8%.
• Sweet-spot year: The 2024 model has the most listings at a current average price of $68,224.

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 2027 inventory to mature.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.