Used GMC Sierra 3500HD for Sale nearAllentown, 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 $59,329, and its lowest point over the past year was $57,354. That puts today’s pricing near the lower end of its recent range for this model. 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 model years, and 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 it work well for both jobsite duty and everyday driving. Across the lineup, the truck’s broad trim spread and upscale higher versions add to its appeal.

30.3% of listings are priced as good or great deals.

Are GMC Sierra 3500HD models reliable?

Owners consistently praise the Sierra 3500HD for its strong towing ability, powerful performance, and durable construction. Expert and owner feedback also points to a truck that feels capable and comfortable, especially when you want heavy-duty strength with a more refined cabin.

• 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 trucks, especially when you’re comparing higher-mileage examples and checking history reports.

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 2025, 2024, 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 a well-priced truck. They also line up with newer equipment and broader trim availability, which helps keep shopper interest high.

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

Most model years are down year over year, and several recent ones show double-digit or near-double-digit declines. That pattern gives used buyers more room to shop, especially in newer model years where prices have moved down meaningfully. One model year is up slightly, but the overall direction across the table is lower.

The 2016, 2019, and 2018 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 −10.72% versus a year ago, and the 2024 model is at −8.43%.
• Deal availability: The 2025 model has 32.2% good and great deals, and the 2024 model has 31.9%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $73,464.

If you're buying used today, the 2025 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 October 13, 2026, CarGurus experts' opinions, and generative AI.