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 $60,110, and its lowest point over the past year was $57,363. 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, 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 demanding work while still serving as a daily driver. 29.3% of listings are priced as good or great deals.

Are GMC Sierra 3500HD models reliable?

Owners consistently praise the Sierra 3500HD for its durable build quality, strong performance, and comfortable ride. The model also earns repeat praise for its towing strength and spacious interior, which adds to its appeal for long-term use.

• 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 worth weighing carefully on older examples, especially when you want a truck that will see hard use.

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, which can make it easier to find the right cab, bed, trim, and equipment mix. They also tend to attract shoppers looking for newer features while still keeping plenty of used options on the table.

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

The table shows broad downward movement across the lineup, which can work in your favor if you're shopping used. Several model years have seen sizable drops, including a double-digit decline at the top of the list, while only a few years have moved down more modestly. The smallest changes are concentrated in the older model years, which have held value best relative to the rest of the group.

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 −10.31% versus a year ago, and the 2024 model is at −6.51%.
• Deal availability: The 2025 model has 29.8% good and great deals, and the 2024 model has 31.1%.
• Sweet-spot year: The 2024 model has the most listings at a current average price of $68,104.

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 11, 2026, CarGurus experts' opinions, and generative AI.