Used GMC Sierra 2500HD for Sale nearDecatur, IL

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 $56,538, and its lowest point over the past year was $55,338. 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 is a strong choice if you want heavy-duty capability with a more upscale feel. The all-generations owner rating is 4.5/5 across every model year in the data.

Owners consistently praise its power, towing ability, and comfortable ride. They also highlight the truck’s luxury-oriented features and strong performance for both work and everyday use.

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

The main trade-offs center on fuel economy, pricing, and some quality concerns in certain model years. For used shoppers, that means the Sierra 2500HD can be a very appealing truck if you prioritize capability and comfort, but condition and trim choice matter.

34.0% of listings are priced as good or great deals.

Are GMC Sierra 2500HD models reliable?

Owners and experts consistently point to strong power, towing capability, and a comfortable ride as core strengths of the GMC Sierra 2500HD. Review summaries also repeatedly call out its luxury features and overall usefulness for both work and daily driving.

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

For used buyers, long-term ownership risk is best managed by focusing on maintenance history and a careful pre-purchase inspection, especially on older trucks.

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

Across all model years, accident-free inventory is solid at 82.9% — 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: 2024 HD Denali Ultimate standard 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.
• Infotainment: 2024 Denali Ultimate with a 13.4-inch screen, wireless Apple CarPlay and Android Auto, wireless device charging, Google built-in, and split-screen navigation.

Which GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD offers these trims:

• Denali Ultimate: The top trim adds the most luxury-focused equipment, including the 13.4-inch screen, wireless Apple CarPlay and Android Auto, wireless charging, Google built-in, a 12-speaker Bose surround-sound audio system, split-screen navigation, standard MultiPro Tailgate, and a full suite of active safety features. It suits you best if you want the most upscale version of the truck.
• Denali: This trim brings a premium cabin and upscale presentation for buyers who want luxury-oriented features without going all the way to the top.
• AT4X: This trim adds off-road hardware and accessories, including skid plates, off-road suspension upgrades, and a more robust transfer case.
• AT4: This trim adds off-road hardware and accessories, including skid plates, off-road suspension upgrades, and a more robust transfer case.
• SLT: This trim is a strong value choice for buyers who want a well-equipped truck with a balance of comfort and capability.
• SLE: This trim adds a step up in comfort and convenience while keeping the truck focused on practical use.
• Pro: This trim is the entry point for buyers who want the Sierra HD’s core heavy-duty capability in a straightforward setup.

What GMC Sierra 2500HD do most buyers choose?

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

Those 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 deal availability. They also sit close enough to the newest model years to keep modern features and equipment in play.

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

Most model years in the Sierra 2500HD lineup are down year over year, which is good news if you’re shopping used and want more room to negotiate. The biggest drops are concentrated in the newer and mid-cycle years, while a few older model years show smaller declines.

The 2019, 2017, and 2020 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 HD Denali Ultimate comes standard 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 −9.56% versus a year ago, and the 2024 model is at −8.25%.
• Deal availability: The 2025 model has 36.2% good and great deals, and the 2024 model has 35.6%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $70,470. The GMC Sierra 2500HD offers a more upscale heavy-duty-truck character with broad trim and configuration choices.

Consider waiting if:

• Powertrain/efficiency: The latest model pairs a 6.6-liter Duramax turbocharged diesel 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 multi-color head-up display, wireless Apple CarPlay and Android Auto, wireless device charging, Google built-in, and split-screen navigation.
• Safety: The latest model adds 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.
• Starting price: $92,940

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.

How does the 2025 GMC Sierra 2500HD compare to the 2025 Ford F-250 Super Duty?

These recommendations are based on CarGurus' proprietary market data from November 3, 2026, CarGurus experts' opinions, and generative AI.