Used 2024 GMC Sierra 2500HD for SaleNationwide

How much does the 2024 GMC Sierra 2500HD cost?

Prices have softened 7.94% compared to this time last year, making it a favorable time to shop this model year.

There are 4,503 listings available, which suggests you have a meaningful amount of inventory to compare.

Is the 2024 GMC Sierra 2500HD a good car?

Generally — the 2024 GMC Sierra 2500HD earns a 4.2/5 user rating and an 8/10 expert rating. The model scores 9/10 across Technology and Safety.

Owners consistently praise its capability, impressive features, and professional-grade feel, along with the value it offers. The main trade-offs are limited color choices and concerns about gas-engine reliability over time, especially carbon buildup issues. In use, it fits best if you want a heavy-duty truck that leans upscale and is built for serious towing and hauling rather than casual errands. Good and great deals account for 35.9% of listings, which gives you some room to shop selectively.

Is the 2024 GMC Sierra 2500HD reliable?

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

The owner feedback points to a truck that feels dependable and capable, with buyers appreciating its professional-grade character and the confidence that comes with its heavy-duty mission. The expert drive notes also emphasize a refined powertrain that delivers strong acceleration and a transmission that stays composed without hunting for gears. The diesel setup is described as smooth and strong under load, which supports the impression that this is a truck you can count on for demanding work.

For used buyers, the main long-term ownership risk is that heavy-duty trucks can be expensive to keep in top shape, so condition and maintenance history matter a lot.

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

Accident-free inventory is excellent at 91.7% — clean inventory, standard diligence applies.

You should still run a history report and prioritize a pre-purchase inspection, especially if the truck has been used for towing or hard work. Focus on signs of wear in the cabin, bed, hitch area, and suspension, since heavy-duty trucks can hide a lot of use behind a clean appearance. It also makes sense to verify that the truck’s tech, cameras, and trailering equipment all work as intended.

Key things to evaluate:

• Trim level: The Denali Ultimate is the top trim and comes with nearly every available option, including a luxury-focused cabin, standard MultiPro Tailgate, and a six-passenger Crew Cab layout. It also gets standard LED headlights and taillights, sequential turn signals, and handy side steps, while the base HD models are less lavish and make do with fewer premium touches.
• 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 is tuned for towing and hauling, with a diesel exhaust brake, locking rear differential, two-speed transfer case, all-terrain tires, skid plates, and hill descent control.
• Safety package: Standard equipment includes 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 gets a 13.4-inch touchscreen, 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 system, and split-screen navigation.
• Fuel efficiency: During long highway stints, the diesel returned as much as 21 miles per gallon, 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 the Sierra HD. It adds the upscale cabin, the strongest tech suite, the diesel powertrain, and the full trailering toolkit, so it suits you best if you want a heavy-duty truck that feels as premium as possible. The trade-off is price, and the expert notes make clear that less expensive trims with carefully chosen options may be the smarter value if you do not need nearly every feature.

The safety package is standard on this trim, so you do not need to step up for the core driver-assistance features.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile listings.

• Deal availability: 35.9% of listings are priced as good or great deals.
• Inventory: There are 4,503 listings available.
• Price trend: Prices have softened 7.94% compared with last year.
• Clean inventory: 91.7% of listings are accident-free.

If you find a listing below $65,323, 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 $65,323 sits slightly below last year's $70,957.

That price movement suggests the market has cooled, which can help you buy more confidently now but may also mean future resale gains are harder to count on. If you plan to sell later, the truck’s value will likely depend heavily on mileage, condition, and whether it has been used hard for towing or commercial work. Strong equipment and premium trim content can help it stand out, but heavy-duty trucks still tend to be judged closely on wear and maintenance history.

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?

The 2024 GMC Sierra 2500HD earns a 9/10 safety score from our experts.

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. The large power-operated side mirrors also improve outward visibility, which is especially helpful in a truck this size.

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:

• 35.9% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 91.7% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 7.94% compared with last year.
• Owners rate it 4.2/5 — a solid satisfaction signal.
• The 2024 model year adds the Denali Ultimate at the top of the lineup, giving you the most luxurious and most fully equipped Sierra HD version.

The bottom line: If you want the newest version with the top trim and strong market availability, the 2024 is the one to target. If your priority is saving money, a nearby year or a less expensive trim may make more sense, especially since the Sierra HD’s core appeal is capability and premium content rather than bargain pricing.

These recommendations are based on CarGurus' proprietary market data from October 20, 2026, CarGurus experts' opinions, and generative AI.