Used 2024 GMC Sierra 3500HD for Sale near Colorado

How much does the 2024 GMC Sierra 3500HD cost?

Prices have softened 6.54% compared to this time last year, making it a favorable time to shop this model year.

There are 1,287 listings available, which gives you a solid amount of inventory to compare.

If you find a listing below $68,235.79, 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 2024 GMC Sierra 3500HD earns a 5/5 user rating, which points to strong owner satisfaction. The overview shows a heavy-duty truck that pairs serious towing and hauling capability with a more upscale personality than many one-ton pickups, especially in higher trims. It also stands out for its refined cabin, expanded trailering tech, and available luxury features, so you get a truck that can work hard without feeling purely utilitarian. 29.8% 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 heavy-duty truck built around capability, with a commercial-grade identity and a focus on towing and hauling. It also highlights a more polished cabin and available premium equipment, which can make day-to-day ownership feel more refined than you might expect from a one-ton pickup. For used buyers, the main long-term ownership risk is less about the truck’s mission and more about choosing a well-kept example that has been maintained carefully given its demanding workload.

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

Accident-free inventory is excellent at 95.2% — clean inventory, standard diligence applies.

You should still run a history report and verify that the truck’s past use matches your needs, especially if you plan to tow or haul regularly. Put inspection priority on the condition of the drivetrain, suspension, brakes, tires, and any trailering equipment, since heavy-duty trucks often see harder use than lighter-duty vehicles. Focus on overall wear and maintenance records so you can separate a well-cared-for work truck from one that has been pushed hard.

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

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you stay disciplined.

• Deal availability: 29.8% of listings are priced as good or great deals.
• Inventory: There are 1,287 listings available.
• Price trend: Prices have softened 6.54% compared with last year.
• Clean inventory: 95.2% of listings are accident-free.

If you find a listing below $68,235.79, 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 $68,224 sits slightly below last year's $72,994.

That price movement suggests the market has cooled a bit, which can help you buy more carefully now but may also mean future resale gains are more limited if prices stay soft. For a future seller, the current trend points to a truck that still has demand, but one where condition, equipment, and trim choice will matter a lot when it comes time to list it. Well-kept examples should hold up better than average because buyers in this segment tend to value capability and premium features.

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:

• 29.8% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 95.2% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 6.54% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the strongest mix of current pricing, clean inventory, and owner satisfaction, the 2024 is the primary year to target. If you are especially price-sensitive, you can also compare nearby years to see whether a lower asking price outweighs the 2024’s refreshed features and strong market conditions.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.