How much does the 2021 Chevrolet Silverado 3500HD cost?

Prices have softened 3.35% compared to this time last year, making it a favorable time to shop this model year.

There are 929 listings available, which suggests you have a workable amount of inventory to compare.

If you find a listing below $46,890.01, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Chevrolet Silverado 3500HD a good car?

Yes — the 5/5 user rating points to strong owner satisfaction, and the expert rating is 8.33/10. The standout strength is Form and function at 10/10.

The Silverado 3500HD is built for serious towing and hauling, but it is also presented as a truck that can handle everyday needs without giving up the capability you expect from this class. That makes it a strong fit if you want maximum heavy-duty strength in a truck that still aims to be livable.

The trade-offs are clear: the design may be polarizing, and visibility over the front hood is described as poor.

Good and great deals account for 30.1% of listings, which gives you some room to shop selectively.

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 still handle day-to-day use, and its powertrain lineup is described as delivering terrific power. The diesel setup is especially notable for keeping the truck in the ideal gear for optimal performance, which supports confidence in how it should behave under load.

The truck also comes with a five-year, 60,000-mile powertrain warranty, which adds some reassurance for used buyers.

For long-term ownership, the main risk is less about basic capability and more about buying a truck that may have been worked hard, 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 78.7% — always verify the vehicle history report.

You should start with the history report, then prioritize a pre-purchase inspection that focuses on signs of heavy towing or hauling use. Pay close attention to the truck’s condition, especially if you are considering a higher-mileage example or one with work-truck duty in its past.

Key things to evaluate:

• Trim level: The W/T includes 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 leather upholstery, heated front seats, remote start, dual-zone automatic climate control, and side mirrors that extend and have integrated turn signals. The High Country adds heated and ventilated front seats, a Bose premium sound system, and a spray-in bed-liner.
• Powertrain: The standard gas engine is a 6.6-liter V8 with 401 horsepower and 464 pound-feet of torque, paired with a six-speed automatic. The optional Duramax turbodiesel 6.6-liter V8 makes 445 hp and 910 lb-ft of torque and uses an Allison 10-speed automatic. Both engines can be paired with rear-wheel drive or available four-wheel drive with low range.
• 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 may need to pay extra for them.
• Infotainment: The standard setup uses 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.
• 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:

• Base trim: The W/T is the most stripped-down choice, with vinyl seat trim, a 7-inch touchscreen, and basic trailering mirrors. It gives you the core heavy-duty hardware, but it leaves out the comfort and convenience upgrades found higher up the range.
• Sweet-spot trim: The LT is the best value if you want a more usable daily driver. It adds cloth seating, a larger 8-inch touchscreen, an integrated trailer brake controller, a WiFi hotspot, and the EZ lift-and-lower tailgate.
• Premium/top trim: The High Country is the luxury pick, with heated and ventilated front seats, a Bose premium sound system, navigation, and a spray-in bed-liner.
• Off-road trim: The Silverado 3500HD is not presented here as an off-road-focused truck, so there is no dedicated off-road recommendation.

The safety package is mostly optional beyond the standard backup camera and airbags, so you should compare trim and option content carefully before you buy.

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

This is a moderate market for selective buyers, with enough inventory to shop carefully and enough price softness to create opportunities.

• Deal availability: 30.1% of listings are priced as good or great deals.
• Inventory: There are 929 listings available.
• Price trend: Prices have softened 3.35% compared with last year.
• Clean inventory: 78.7% of listings are accident-free.

If you find a listing below $46,890.01, 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 $47,711 sits slightly below last year's $49,365.

That softer pricing suggests the market has moved a bit in buyers' favor, which can make it harder for a future seller to command peak money right away. At the same time, the Silverado 3500HD's heavy-duty capability and broad appeal should help it stay relevant with shoppers who need serious towing and hauling strength.

Because the truck is still priced below where it was a year ago, a well-kept example may need to be priced competitively to move. Condition, configuration, and maintenance history will matter a lot when you eventually sell.

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 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.

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 may need to pay extra for them. That means safety equipment can vary meaningfully by trim and option package, so you should verify exactly what is on the truck you are considering.

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:

• 30.1% of listings are priced as good or great deals.
• Accident-free inventory is solid at 78.7% — always verify the vehicle history report.
• Price trend: Prices have softened 3.35% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 model combines multiple powertrain options, easy-to-use technology, and plenty of cargo space while still aiming to work as a daily-use heavy-duty truck.

The bottom line: If you want a heavy-duty truck with strong capability, useful tech, and a market that is giving you some negotiating room, the 2021 Silverado 3500HD is the better path. If your priority is simply finding the lowest possible price, you may want to compare nearby years and focus on the cleanest, best-equipped truck you can find rather than chasing a specific model year.

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