Used 2023 GMC Sierra 3500HD for Sale nearPhoenix, AZ

How much does the 2023 GMC Sierra 3500HD cost?

Prices have softened 7.67% compared to this time last year, making it a favorable time to shop this model year.

There are 1,146 listings available, which gives you a solid amount of inventory to compare before you commit.

If you find a listing below $56,381, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2023 GMC Sierra 3500HD a good car?

The 2023 GMC Sierra 3500HD stands out as a heavy-duty truck that blends serious work capability with a more polished personality than many buyers might expect. In its fifth generation, it was offered with a wide range of cab, bed, and rear-axle configurations, and it could be equipped for demanding towing and hauling jobs. The lineup also included a work-focused base model, more comfort-oriented trims, an off-road AT4, and a luxury-minded Denali, which helped the truck appeal to buyers who wanted either a straightforward tool or a more upscale heavy-duty pickup.

For 2023, the Sierra 3500HD carried the fifth-generation hardware that included a 6.6-liter V8 with 401 horsepower and 464 pound-feet of torque, or a 6.6-liter Duramax turbodiesel V8 with 445 hp and 910 lb-ft of torque. Properly equipped, it could haul as much as 7,442 pounds of cargo and tow up to 35,500 pounds. Standard features on the base model included a seven-inch infotainment touchscreen, Apple CarPlay, and Android Auto, while higher trims added conveniences such as trailering assist features, leather upholstery, heated front seats, and a larger touchscreen on the Denali. That mix of capability and available comfort is a big part of the Sierra 3500HD’s appeal.

29.9% of listings are priced as good or great deals, which gives you a meaningful share of the market to target if you shop carefully.

Is the 2023 GMC Sierra 3500HD reliable?

The 2023 GMC Sierra 3500HD stands out as a heavy-duty truck that blends serious work capability with a more polished personality than many buyers might expect. In its fifth generation, it was offered with a wide range of cab, bed, and rear-axle configurations, and it could be equipped for demanding towing and hauling jobs. The lineup also included a work-focused base model, more comfort-oriented trims, an off-road AT4, and a luxury-minded Denali, which helped the truck appeal to buyers who wanted either a straightforward tool or a more upscale heavy-duty pickup.

For 2023, the Sierra 3500HD carried the fifth-generation hardware that included a 6.6-liter V8 with 401 horsepower and 464 pound-feet of torque, or a 6.6-liter Duramax turbodiesel V8 with 445 hp and 910 lb-ft of torque. Properly equipped, it could haul as much as 7,442 pounds of cargo and tow up to 35,500 pounds. Standard features on the base model included a seven-inch infotainment touchscreen, Apple CarPlay, and Android Auto, while higher trims added conveniences such as trailering assist features, leather upholstery, heated front seats, and a larger touchscreen on the Denali. That mix of capability and available comfort is a big part of the Sierra 3500HD’s appeal.

For used buyers, the main long-term ownership risk is that heavy-duty capability often means harder use, so maintenance history and wear matter more than mileage alone.

What should I look for when buying a used 2023 GMC Sierra 3500HD?

Accident-free inventory is excellent at 91.4% — clean inventory, standard diligence applies.

You should still run a vehicle history report and verify that the truck’s use matches the seller’s description, especially if it was used for towing or commercial work. Prioritize a pre-purchase inspection that focuses on suspension, brakes, tires, and any signs of heavy hauling wear. Pay close attention to overall condition, because a heavy-duty truck can look clean on paper while still carrying a lot of job-site or towing stress.

Is now a good time to buy a used 2023 GMC Sierra 3500HD?

This looks like a moderate, selective buyer’s market, so you have room to compare listings without rushing.

• Deal availability: 29.9% of listings are priced as good or great deals.
• Inventory: There are 1,146 listings available.
• Price trend: Prices have softened 7.67% compared with last year.
• Clean inventory: 91.4% of listings are accident-free.

If you find a listing below $56,381, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2023 GMC Sierra 3500HD's resale value?

The current average of $57,499 sits slightly below last year's $62,278.

That price movement suggests the market has cooled, which can work in your favor if you're buying now. For a future seller, it also means you should expect resale value to depend heavily on condition, configuration, and how well the truck has been maintained. Well-kept examples with desirable equipment should hold up better than trucks that show signs of hard use.

Should I buy a 2023 GMC Sierra 3500HD or consider a different year?

If you're weighing the 2023 against nearby model years, here's how to think about it:

Choose the 2023 if:

• 29.9% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 91.4% — clean inventory, standard diligence applies.
• Price trend: Prices have softened 7.67% compared with last year.

The bottom line: The 2023 is the right path if you want a heavy-duty truck with strong capability, broad configuration choices, and a market that currently gives you some negotiating room. If you are especially price-sensitive, a nearby model year may be worth comparing, but the 2023 offers a balanced mix of availability, condition, and softened pricing that makes it a sensible target for many used-truck shoppers.

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