Used 2024 GMC Sierra 3500HD for Sale nearPhoenix, AZ

How much does the 2024 GMC Sierra 3500HD cost?

Prices have softened 6.51% compared to this time last year, making it a favorable time to shop this model year.

There are 1,294 listings available, which gives you a solid amount of inventory to compare.

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 truck that blends serious work capability with a more polished feature set, including a refreshed front end, a larger infotainment screen, and a digital instrument panel on SLE trims and above. It also gives you a wide range of cab, bed, axle, and trim choices, so you can shop for anything from a basic work truck to a luxury-focused Denali Ultimate. 31.1% 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 points to a heavy-duty truck built around capability, with towing-focused technology, a broad configuration range, and useful safety equipment such as forward collision alert with automatic emergency braking, blind-spot monitoring, lane departure warning, and teen driver mode. For used buyers, the main long-term ownership risk is less about the truck’s mission and more about whether a specific example has been worked hard, so condition and maintenance history matter a lot.

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

Accident-free inventory is excellent at 94.7% — clean inventory, standard diligence applies.

You should still run a history report on any truck you’re serious about, especially if it was used for towing or commercial work. Put inspection priority on the drivetrain, suspension, brakes, tires, and any trailering hardware, since heavy-duty use can accelerate wear even when the truck looks clean. Focus on overall condition and signs of hard use, because the right truck here is often the one that was maintained carefully rather than simply driven lightly.

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

This is a moderate market, so you can be selective without expecting a deep bargain on every listing.

• Deal availability: 31.1% of listings are priced as good or great deals.
• Inventory: There are 1,294 listings available.
• Price trend: Prices have softened 6.51% compared with last year.
• Clean inventory: 94.7% of listings are accident-free.

If you find a listing below $68,104, 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 $68,104 sits slightly below last year's $72,849.

That price movement suggests the market has eased, which can help you buy more confidently now but may also mean future resale gains are more limited if prices stay soft. Even so, a truck with this kind of capability and broad buyer appeal can still hold attention well when it’s clean, well-equipped, and properly maintained. Strong condition matters especially here because buyers shopping heavy-duty trucks often compare capability, features, and overall presentation closely.

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:

• 31.1% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 94.7% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 6.51% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the most polished version of this heavy-duty truck with updated tech and strong owner satisfaction, the 2024 is the primary year to target. If your priority is stretching your budget further, a nearby older year may be worth considering, especially if you can find a well-kept example with the right configuration and service history.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.