Used 2024 GMC Sierra 2500HD for Sale near Colorado

How much does the 2024 GMC Sierra 2500HD cost?

Prices have softened 7.16% compared to this time last year, making it a favorable time to shop this model year.

There are 4,176 listings available, which suggests solid inventory for shoppers comparing trims and equipment levels.

If you find a listing below $67,219.77, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2024 GMC Sierra 2500HD a good car?

Generally — 4.2/5 from users and 8/10 from expert testing point to a truck that lands well with shoppers who want heavy-duty capability and a more upscale presentation. The expert evaluation also gives it 9/10 for Technology and 9/10 for Safety.

The model stands out as a heavy-duty pickup that blends serious capability with upscale presentation, and the top Denali Ultimate trim is newly added for 2024 with nearly every available option. That makes it especially appealing if you want a work-capable truck that still feels premium inside.

The trade-offs are clear: it asks you to accept a thirst for fuel, a barge-like feel when parking, and a price premium versus the mechanically similar Chevrolet Silverado HD. Even so, the market still shows 29.1% good or great deals, which gives you some room to shop carefully.

Is the 2024 GMC Sierra 2500HD reliable?

Owners rate it 4.2/5, a solid signal of long-term satisfaction.

The truck’s heavy-duty setup is built around serious towing and hauling, and the expert evaluation describes the Duramax diesel powertrain as refined, smooth, and strong under load. It also notes that the transmission never hunted for the right gear, which is a good sign for day-to-day drivability and towing confidence.

On the ownership side, the cost-effectiveness review points out that fuel use can swing sharply depending on driving conditions, with highway efficiency far better than suburban or city use. For used buyers, that means long-term ownership risk is less about outright durability than about running costs and whether the truck’s size and fuel appetite fit your routine.

What should I look for when buying a used 2024 GMC Sierra 2500HD?

Accident-free inventory is excellent at 92.7% — clean inventory, standard diligence applies.

You should still run a vehicle history report and prioritize a pre-purchase inspection, especially if the truck has been used for towing or heavy work. Focus on overall condition, signs of wear in the cabin and bed, and whether the truck’s equipment matches how it was advertised. If you’re shopping a higher-trim example, make sure the luxury and trailering features all function as expected.

Key things to evaluate:

• Trim level: The Denali Ultimate sits at the top of the lineup and adds nearly every available option, including a six-passenger Crew Cab, standard MultiPro Tailgate, and upscale cabin trimmings. Lesser trims use a smaller 8.0-inch touchscreen, so feature gaps are meaningful if you want the most premium setup.
• Powertrain: The Denali Ultimate uses a 6.6-liter Duramax turbocharged diesel V8 with 470 horsepower and 975 pound-feet of torque, paired with a 10-speed Allison automatic transmission and standard four-wheel drive. It also includes a locking rear differential, two-speed transfer case, all-terrain tires, heavy-duty air filter, underbody skid plates, hill descent control, and a diesel exhaust brake.
• Safety package: It 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.
• Infotainment: The Denali Ultimate features 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, a 12-speaker Bose surround-sound audio system, and split-screen navigation.
• Fuel efficiency: During long highway stints, the Duramax diesel easily stretched as much as 21 miles from each gallon of diesel, while suburban and city driving could dip into the single digits.

Which 2024 GMC Sierra 2500HD trim should I buy?

The 2024 GMC Sierra 2500HD is offered in 1 trim level: Denali Ultimate.

Here's the short version:

The Denali Ultimate is the clear choice if you want the most luxurious and most fully equipped version of this heavy-duty truck. It brings the 13.4-inch touchscreen, wireless smartphone integration, Google built-in, the 12-speaker Bose system, the large head-up display, and the full trailering tech suite, so it suits you best if you want maximum comfort and capability in one package.

Because this is the only trim described in the available data, there isn’t a lower-rung value play to compare against here. The safety package is comprehensive, with standard active safety and parking aids across the trim.

Is now a good time to buy a used 2024 GMC Sierra 2500HD?

This looks like a moderate, selective buyer’s market if you’re willing to compare listings carefully.

• Deal availability: 29.1% of listings are priced as good or great deals.
• Inventory: There are 4,176 listings available.
• Price trend: Prices have softened 7.16% compared with last year.
• Clean inventory: 92.7% of listings are accident-free.

If you find a listing below $67,219.77, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2024 GMC Sierra 2500HD's resale value?

The current average of $67,203 sits slightly below last year's $72,385.

That price movement suggests the market has cooled enough to help you buy more selectively now, but it also means a future seller may face some depreciation pressure if pricing stays soft. The good news is that heavy-duty trucks with strong capability and premium equipment can still hold buyer interest when they’re well kept and properly optioned.

For resale, condition and configuration matter a lot. A clean, well-equipped truck with desirable towing and luxury features should remain easier to move than a stripped or heavily worn example.

Vehicles with solid owner satisfaction ratings, like this model year's 4.2/5, tend to retain buyer demand, which supports resale value over time.

Is the 2024 GMC Sierra 2500HD safe?

It earns a 9/10 safety score from our experts.

The truck 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. That gives you a broad active-safety and parking-assist package right from the start.

The expert review also highlights the large power-operated side mirrors, which improve visibility along the sides of the truck and can extend outward for an even wider view. For a heavy-duty pickup this size, that visibility support matters.

Should I buy a 2024 GMC Sierra 2500HD or consider a different year?

If you're weighing the 2024 against nearby model years, here's how to think about it:

Choose the 2024 if:

• 29.1% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 92.7% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 7.16% compared with last year.
• Owners rate it 4.2/5 — a solid satisfaction signal.
• The newly added Denali Ultimate trim gives this year a top-end luxury-and-capability focus.

The bottom line: If you want the strongest mix of premium features, towing muscle, and current-market pricing, the 2024 is the one to target. If your priority is simply getting the lowest possible purchase price, you may want to compare nearby years and shop the cleanest, best-priced example rather than focusing on this model year alone.

These recommendations are based on CarGurus' proprietary market data from August 28, 2026, CarGurus experts' opinions, and generative AI.