New GMC Sierra 3500HD for Sale near Exton, 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 $60,091, and its lowest point over the past year was $57,379. 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 full run, 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 highlight the comfortable ride and spacious interior, which help it work well as both a jobsite truck and a daily driver. The truck's broad trim range adds to its appeal by letting you choose between a more basic work setup and a more upscale configuration.

28.6% 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 impressive towing ability. Expert and owner feedback also points to a truck that feels comfortable and capable across a wide range of uses, from heavy-duty work to everyday driving.

• 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 checking carefully on older examples, especially by reviewing service history and vehicle records before you buy.

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 attract more shoppers because they offer the broadest mix of availability, pricing, and deal opportunities. When inventory is deeper, you usually have more room to compare trims, mileage, and condition before deciding.

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

Most model years are down year over year, which is good news if you're shopping used because prices have generally softened across the lineup. The biggest drops are concentrated in the newer models, while a few older years show smaller declines. That pattern gives you more leverage on recent trucks while still leaving some older options with steadier pricing.

The 2016, 2018, and 2022 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 −10.22% versus a year ago, and the 2024 model is at −6.98%.
• Deal availability: The 2025 model has 29.3% good and great deals, and the 2024 model has 31%.
• Sweet-spot year: The 2024 model has the most listings at a current average price of $67,643.

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 22, 2026, CarGurus experts' opinions, and generative AI.