Used GMC Sierra 2500HD for Sale nearDenver, CO

How much does the GMC Sierra 2500HD cost in today's market?

Used GMC Sierra 2500HD prices span a wide range depending on model year. Here's what the market looks like right now:

The GMC Sierra 2500HD's current nationwide average price is $57,504, and its lowest point over the past year was $55,359. 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 2500HD a good car?

Yes — the GMC Sierra 2500HD earns strong marks from owners across the lineup, and its appeal is anchored by the all-generations user rating. The all-generations owner rating is 4.49/5 across every model year in the data.

Owners consistently praise its power, towing capability, comfortable ride, and upscale features. Many also highlight its strong performance for heavy-duty work, along with the more polished cabin feel and broad feature content that make it easy to live with.

Expert reviews rate the 2020 and 2024 models among the highest across all years.

The main tradeoffs center on fuel economy, pricing, and some quality concerns in certain years. For used shoppers, that means the Sierra 2500HD can be a very satisfying heavy-duty truck if you prioritize capability and comfort, but you should shop carefully and compare condition, equipment, and history.

34.8% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners consistently praise the Sierra 2500HD for strong performance, towing ability, comfort, and a smooth ride. Across the model years in the data, the truck also earns repeat praise for its power and upscale features.

• Owners rate the GMC Sierra 2500HD between 3.5 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is best managed by checking service history closely, since some model years show recurring concerns tied to electrical systems, transmissions, infotainment, and build quality.

What should I look for when buying a used GMC Sierra 2500HD?

Across all model years, accident-free inventory is solid at 84.2% — 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.

Key things to evaluate:

• Safety package: GMC’s ProGrade trailering system with 14 camera views
• Infotainment: 13.4-inch touchscreen with wireless Apple CarPlay and Android Auto

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Denali Ultimate: The top trim adds a 6.6-liter Duramax turbocharged diesel V8, a 10-speed Allison automatic transmission, standard four-wheel drive, a 13.4-inch screen, a 15-inch head-up display, wireless Apple CarPlay and Android Auto, a wireless charging pad, Google built-in, a 12-speaker Bose surround-sound audio system, and the ProGrade trailering system. It suits you if you want the most luxury, tech, and towing-focused hardware in the lineup.
• Denali: This trim brings a more upscale cabin and premium presentation, making it a strong choice if you want luxury features without going all the way to the top.
• AT4X: This off-road-focused trim adds hardware and accessories for tougher terrain, along with a more rugged setup for buyers who want capability beyond the standard truck.
• AT4: This trim adds off-road hardware and accessories, making it a good fit if you want a more adventurous setup with extra trail-ready equipment.
• SLT: This is the best-value trim for many shoppers, since it balances upscale comfort and useful equipment without moving into the highest-priced luxury territory.
• SLE: This trim gives you a well-equipped starting point with the core Sierra HD experience and a practical feature set.
• Pro: This entry trim keeps the Sierra 2500HD focused on work-ready basics and is the most straightforward choice if you want the truck’s core capability.

What GMC Sierra 2500HD do most buyers choose?

The GMC Sierra 2500HD years with the most listings are 2025, 2024, and 2023.

These higher-volume years tend to be the most popular used picks because they give you the broadest selection of listings and a strong mix of pricing and deal availability. That usually makes it easier to compare trims, equipment, and condition before you buy.

What is the GMC Sierra 2500HD's resale value?

Most model years in the Sierra 2500HD lineup are showing price declines, which is good news if you’re shopping used and want more room to find value. The steepest drops are concentrated in several newer and mid-cycle years, while a few older years are changing more slowly. That pattern suggests you can often find meaningful savings without giving up the truck’s core capability.

The 2017, 2018, and 2016 model years have held their value best, with the smallest year-over-year price changes.

Is the GMC Sierra 2500HD safe?

• 2024: 9/10
• 2022: 8/10
• 2020: 8/10

The 2024 model includes a standard suite with automatic emergency braking, forward collision warning, lane departure warning, front and rear parking sensors, a surround-view parking camera, pedestrian detection, rear cross-traffic alert, blind-spot monitoring, and a rear-facing cargo bed camera.

For the safest used buy, the 2024 model posts the highest confirmed score of 9/10.

Should I buy a used GMC Sierra 2500HD now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −8.38% versus a year ago, and the 2024 model is at −7.56%.
• Deal availability: The 2025 model has 38.2% good and great deals, and the 2024 model has 37.9%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $71,832. The GMC Sierra 2500HD offers a broad range of trims and a more upscale cabin than many heavy-duty rivals.

Consider waiting if:

• Powertrain/efficiency: The latest model pairs a 6.6-liter Duramax turbodiesel V8 with 470 horsepower and 975 pound-feet of torque, plus a 10-speed Allison automatic transmission and standard four-wheel drive.
• Tech: The latest model adds a 13.4-inch screen, a 15-inch head-up display, wireless Apple CarPlay and Android Auto, and a wireless charging pad.
• Safety: The latest model adds automatic emergency braking, forward collision warning, lane departure warning, blind-spot monitoring, rear cross-traffic alert, and a surround-view parking camera.
• Starting price: The latest model has a starting price of approximately $94,000.

If you're buying used today, the 2025 model year offers the best mix of value and availability. If you want the latest tech and features, 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 6, 2026, CarGurus experts' opinions, and generative AI.