Used 2021 Chevrolet Silverado 3500HD for Sale nearPhoenix, AZ

How much does the 2021 Chevrolet Silverado 3500HD cost?

Prices have softened 4.98% compared to this time last year, making it a favorable time to shop this model year.

There are 1,006 listings available, which gives you a solid pool of trucks to compare by trim, mileage, and equipment.

Is the 2021 Chevrolet Silverado 3500HD a good car?

Yes — 5/5 from users and 8.33/10 from experts. The Silverado 3500HD’s appeal comes from its heavy-duty towing and hauling focus, while still being described as usable for daily duty and comfortable enough for family use. Its strengths include multiple powertrain options, easy-to-use technology, and plenty of cargo space.

The standout strength is Form and function at 10/10.

The main trade-offs are a potentially polarizing design and poor visibility over the front hood. If you want serious capability without giving up all-around usability, this truck fits that brief well.

28.8% of listings are priced as good or great deals, which suggests you have room to shop carefully without feeling rushed.

Is the 2021 Chevrolet Silverado 3500HD reliable?

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

The Silverado 3500HD is presented as a purpose-built heavy-duty truck that can handle demanding work while still covering everyday needs. Its powertrains are described as making terrific power, and the diesel setup is noted for keeping the truck in the ideal gear for optimal performance. The five-year, 60,000-mile powertrain warranty also adds some ownership reassurance.

The first scheduled maintenance visit is on the house.

For used buyers, the main long-term risk is less about the truck’s core capability and more about how hard it was worked, so condition and maintenance history matter a lot.

What should I look for when buying a used 2021 Chevrolet Silverado 3500HD?

Accident-free inventory is solid at 79% — always verify the vehicle history report.

You should still run a history report on any truck you’re considering, even if the listing looks clean. Because this is a heavy-duty pickup, inspection priority should go to signs of hard use, trailering wear, and overall condition. Pay close attention to the cabin, visibility-related wear points, and whether the truck’s equipment matches the listing.

Key things to evaluate:

• Trim level: The W/T comes with two USB ports, vinyl seat trim, two-tier trailering mirrors, and a 7-inch touchscreen with Apple CarPlay and Android Auto. The LT adds cloth seating, body-color door handles, Chevy’s EZ lift-and-lower tailgate, a 4.2-inch driver information display, an integrated trailer brake controller, a 4G LTE WiFi hotspot, and an 8-inch touchscreen. The LTZ adds chrome exterior accents, leather upholstery, heated front seats, remote start, dual-zone automatic climate control, 120-volt wall-style power outlets, and side mirrors that extend and have integrated turn signals. The High Country adds heated and ventilated front seats, chrome side steps, a Bose premium sound system, and a spray-in bed-liner.
• Powertrain: There are two engines offered: a standard 6.6-liter V8 with 401 horsepower and 464 pound-feet of torque, and an optional Duramax turbodiesel 6.6-liter V8 with 445 hp and 910 lb-ft of torque. Both can be paired with rear-wheel drive or available four-wheel drive with low range, and the diesel uses an Allison 10-speed automatic.
• Safety package: The truck comes standard with a backup camera and a full array of front- and side-impact airbags. Forward collision avoidance, lane-departure warning, automatic emergency braking, automatic high beams, blind-spot monitoring, rear cross-traffic alert, front and rear parking sensors, and a 360-degree parking camera system are available, but you’ll need to pay extra for them.
• Infotainment: The standard setup is a 7-inch touchscreen. Upgraded trims get an 8-inch touchscreen, and the High Country adds navigation. The system is described as easy to use and benefits from hard buttons and dials, plus a helpful home button.
• Fuel efficiency: Drivers can expect fuel economy between 12 and 15 mpg.

Which 2021 Chevrolet Silverado 3500HD trim should I buy?

The 2021 Chevrolet Silverado 3500HD is offered in 4 trim levels: W/T, LT, LTZ, and High Country.

Here's the short version:

• W/T: This is the most straightforward choice if you want the Silverado 3500HD’s core capability at the lowest entry point. You still get the essentials, including the 7-inch touchscreen with Apple CarPlay and Android Auto, plus trailering mirrors and vinyl seat trim.
• LT: This is the best-value trim for many shoppers because it adds a more usable mix of comfort and convenience, including cloth seating, the EZ lift-and-lower tailgate, an integrated trailer brake controller, a WiFi hotspot, and the larger 8-inch touchscreen.
• LTZ: Step here if you want a more upscale truck with leather upholstery, heated front seats, remote start, dual-zone automatic climate control, and the advanced trailering system. It’s a strong fit if you tow often and want more everyday comfort.
• High Country: Choose this if you want the most luxurious version, with heated and ventilated front seats, chrome side steps, a Bose premium sound system, and navigation. It’s the top pick if you want your heavy-duty truck to feel the most premium.

For safety equipment, features such as forward collision avoidance, lane-departure warning, automatic emergency braking, blind-spot monitoring, and rear cross-traffic alert are extra rather than standard.

Is now a good time to buy a used 2021 Chevrolet Silverado 3500HD?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you’re patient and focused.

• Deal availability: 28.8% of listings are priced as good or great deals.
• Inventory: There are 1,006 listings available.
• Price trend: Prices have softened 4.98% compared with last year.
• Clean inventory: 79.0% of listings are accident-free.

If you find a listing below $46,722, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Chevrolet Silverado 3500HD's resale value?

The current average of $46,722 sits slightly below last year's $49,173.

That decline suggests the market has eased a bit, which can help you buy more truck for the money today. For a future seller, it also means you should pay close attention to trim, condition, and equipment because well-kept examples are more likely to stand out when it’s time to resell. Heavy-duty trucks with broad appeal and strong capability tend to hold buyer interest better than more niche vehicles.

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

Is the 2021 Chevrolet Silverado 3500HD safe?

The Silverado 3500HD comes standard with a backup camera and a full array of front- and side-impact airbags.

It earns an 8/10 safety score from our experts.

For safety features such as forward collision avoidance, lane-departure warning, automatic emergency braking, automatic high beams, blind-spot monitoring, and rear cross-traffic alert, you’ll have to pay extra. You’ll also have to shell out for the front and rear parking sensors and a 360-degree parking camera system, which are especially helpful on a truck this large.

Should I buy a 2021 Chevrolet Silverado 3500HD or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 28.8% of listings are priced as good or great deals.
• Accident-free inventory is solid at 79% — always verify the vehicle history report.
• Price trend: Prices have softened 4.98% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 model combines heavy-duty towing and hauling with everyday usability, easy-to-use technology, and plenty of cargo space.

The bottom line: If you want a heavy-duty truck that balances serious capability with everyday livability, the 2021 Silverado 3500HD is the primary year to target. If your main goal is to maximize savings, you can also compare nearby years and focus on the cleanest, best-equipped truck within your budget.

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