Used GMC Sierra 3500HD for Sale nearFort Collins, CO

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 $58,606, and its lowest point over the past year was $57,337. 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 model years in this data. The all-generations owner rating is 4.6/5 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 for both jobsite duty and everyday use. The truck's upscale trim range and refined feel come through as recurring positives as well.

33.1% 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, durable construction, and confident performance. Expert and owner feedback also points to a comfortable ride and a roomy cabin that make the truck feel well suited to both work and daily driving.

• Owners rate the GMC Sierra 3500HD between 3 and 5 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is worth checking carefully on older trucks, especially when reviewing history reports and maintenance records.

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

Across all model years, accident-free inventory is solid at 83.7% — 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 2025, 2024, and 2023.

Higher-volume model years tend to draw more shoppers because they offer more inventory to compare, more trim and configuration choices, and a better chance of finding the right truck at the right price.

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

Most model years are down year over year, which creates better opportunities for used buyers across much of the lineup. The largest drops are concentrated in several newer and mid-cycle years, while one older year shows a slight increase. Overall, the pattern points to broad softening rather than stability across the range.

The 2016 model year is holding steady, with prices close to flat year-over-year.

The 2016, 2017, 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 −8.86% versus a year ago, and the 2024 model is at −9.18%.
• Deal availability: The 2025 model has 34% good and great deals, and the 2024 model has 34.3%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $73,407.

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.

How does the 2024 GMC Sierra 3500HD compare to the 2024 Ford F-350 Super Duty?

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.