How much does the 2024 GMC Sierra 3500HD cost?

Prices have softened 6.63% compared to this time last year, making it a favorable time to shop this model year.

There are 1,275 listings available, which suggests you have meaningful inventory to compare across trims and configurations.

If you find a listing below $68,477.60, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2024 GMC Sierra 3500HD a good car?

Yes — the 5/5 user rating points to strong owner satisfaction. The overview frames this truck as a heavy-duty pickup that combines serious towing and hauling ability with a more upscale personality than many buyers expect, especially in higher trims. It also highlights a refreshed front end, upgraded infotainment and driver-assist tech, and the new Denali Ultimate trim, which broadens its appeal if you want capability with a more polished cabin. 31.2% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2024 GMC Sierra 3500HD reliable?

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

The overview presents it as a truck built around serious work capability, with a commercial-grade identity and a strong focus on towing and hauling. It also emphasizes refinement in higher trims, which suggests the truck is designed to serve both demanding jobs and everyday use without feeling stripped down. For used buyers, the main long-term ownership risk is less about basic usefulness and more about whether you can live with its size, complexity, and higher operating costs over time.

What should I look for when buying a used 2024 GMC Sierra 3500HD?

Accident-free inventory is excellent at 94.4% — clean inventory, standard diligence applies.

You should still run a history report and verify that the truck’s use matches the seller’s description, especially if it was used for towing or commercial work. Put inspection priority on the drivetrain, suspension, brakes, tires, and any trailering equipment, since this model is built for hard use. Focus on overall condition and signs of heavy wear, because a truck like this can look clean while still having seen demanding service.

Is now a good time to buy a used 2024 GMC Sierra 3500HD?

This is a moderate, selective buyer’s market, so you can shop carefully without expecting every listing to be a bargain.

• Deal availability: 31.2% of listings are priced as good or great deals.
• Inventory: There are 1,275 listings available.
• Price trend: Prices have softened 6.63% compared with last year.
• Clean inventory: 94.4% of listings are accident-free.

If you find a listing below $68,477.60, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2024 GMC Sierra 3500HD's resale value?

The current average of $68,473 sits slightly below last year's $73,335.

That price movement suggests the market has eased, which can help you buy more selectively now but may also mean a future resale depends heavily on how well you preserve the truck. If you keep mileage reasonable and maintain the vehicle carefully, you’re more likely to protect value in a segment where capability and condition matter a lot. The combination of strong demand for heavy-duty trucks and a premium-leaning trim structure can still support resale, especially for well-kept examples.

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

Should I buy a 2024 GMC Sierra 3500HD 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:

• 31.2% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 94.4% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 6.63% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the strongest mix of updated tech, refreshed styling, and a favorable current price trend, the 2024 is the primary year to target. If you’re especially price-sensitive, you can still shop nearby years, but the 2024 gives you a compelling balance of capability, refinement, and market softness that makes it the cleaner buy for most shoppers.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.