Used 2021 Chevrolet Silverado 2500HD for SaleNationwide

How much does the 2021 Chevrolet Silverado 2500HD cost?

Prices have softened 5.78% compared to this time last year, making it a favorable time to shop this model year.

There are 2,962 listings available, which gives you a solid pool of inventory to compare.

If you find a listing below $40,910.96, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 Chevrolet Silverado 2500HD a good car?

Yes — the 2021 Chevrolet Silverado 2500HD earns a 4.67/5 user rating and a 6.83/10 expert rating.

The model scores 8/10 across Performance, Form and function, and Technology.

Owners consistently praise its impressive power, spacious interior, and robust features. They also point to its comfortable ride and the 6.6 gas engine as standout strengths.

The trade-offs are familiar for a heavy-duty truck: the interior materials can feel cheap, and some owners note missing extras and minor cosmetic issues.

That fits the truck’s use case well if you want a capable heavy-duty pickup with multiple body styles and powertrain choices, but you should expect some compromises in refinement.

With 30.0% of listings marked as good or great deals, you have room to shop selectively.

Is the 2021 Chevrolet Silverado 2500HD reliable?

Owners rate it 4.67/5, a strong signal of long-term satisfaction.

Owners describe it as impressive, comfortable, and robust, and they also highlight the 6.6 gas engine as a dependable part of the ownership experience. The truck’s strong power and spacious cabin reinforce that it’s built to handle regular use with confidence.

The expert evaluation also points to a capable, work-ready truck that performs well in demanding roles. Chevrolet’s broad options and packages can help you tailor the truck to your needs, which can make ownership feel more practical over time.

If you buy used, the main long-term risk is less about outright capability and more about finding one that hasn’t been worn down by hard work or skipped maintenance.

What should I look for when buying a used 2021 Chevrolet Silverado 2500HD?

Accident-free inventory is solid at 77.7% — always verify the vehicle history report.

You should still check the history report carefully, because heavy-duty trucks can see hard use even when they look clean on paper. Prioritize a pre-purchase inspection that focuses on wear, bed condition, towing equipment, and signs of cosmetic or mechanical abuse. Pay close attention to how the truck was equipped, since some examples may be missing features you’d expect.

Key things to evaluate:

• Trim level: Work Truck, Custom, LT, LTZ, and High Country are the main trims, and the base versions are more work-focused with fewer comfort and convenience features.
• Powertrain: You can choose a 6.6-liter V8 gasoline engine or a 6.6-liter Duramax turbodiesel, and the diesel is the stronger choice if you tow often.
• Safety package: Work Truck and Custom models can be equipped with a Safety Confidence Package that adds forward-collision warning, automatic emergency braking, steering-wheel audio controls, a 4.2-inch driver information screen, and cruise control.
• Infotainment: A 7-inch infotainment touchscreen is standard, along with Apple CarPlay, Android Auto, and Bluetooth; wireless Apple CarPlay and wireless Android Auto are available.
• Fuel efficiency: Fuel-economy figures are not provided for this heavy-duty truck.

Which 2021 Chevrolet Silverado 2500HD trim should I buy?

The 2021 Chevrolet Silverado 2500HD is offered in 5 trim levels: Work Truck, Custom, LT, LTZ, and High Country.

Here's the short version:

• Work Truck: This is the most basic choice, so it makes sense if you want the lowest-frills path into the lineup and plan to use the truck mainly for work.
• Custom: This adds a bit more everyday appeal while staying on the value side of the range, making it a sensible step up if you want more than the bare minimum.
• LT: This is the best-value trim for many shoppers because it balances equipment, available packages, and broader usability without pushing into luxury pricing.
• LTZ: Choose this if you want a more upscale feel and more available equipment, especially if you plan to build out the truck with options.
• High Country: This is the top-end choice if you want the most premium version of the Silverado 2500HD and are willing to pay for it.

Work Truck and Custom can be equipped with the Safety Confidence Package, which adds forward-collision warning and automatic emergency braking.

Is now a good time to buy a used 2021 Chevrolet Silverado 2500HD?

This is a moderate market for selective buyers, so it makes sense to shop carefully and compare listings.

• Deal availability: 30.0% of listings are priced as good or great deals.
• Inventory: There are 2,962 listings available.
• Price trend: Prices have softened 5.78% compared with last year.
• Clean inventory: 77.7% of listings are accident-free.

If you find a listing below $40,910.96, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Chevrolet Silverado 2500HD's resale value?

The current average of $40,895 sits slightly below last year's $43,405.

That price movement suggests the truck has already absorbed some depreciation, which can help you if you buy now and hold it for a while. For a future seller, the softer market means you may not recover as much as a previous owner did, especially if your truck is a higher-priced trim or lightly optioned in a crowded segment.

Even so, the Silverado 2500HD’s strong capability and broad buyer appeal should help support demand over time. Trucks with strong owner satisfaction ratings, like this model year's 4.67/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Chevrolet Silverado 2500HD safe?

The National Traffic Safety Administration (NHTSA) and Insurance Institute for Highway Safety (IIHS) don't crash test heavy-duty trucks.

It earns a 5/10 safety score from our experts.

Chevrolet equips every Silverado 2500 with six airbags, a rearview camera, Teen Driver software, an electronic stability control system with traction control, and a tire-pressure monitoring system. Work Truck and Custom models can be equipped with a Safety Confidence Package that adds forward-collision warning and automatic emergency braking, along with steering-wheel audio controls, a 4.2-inch driver information screen, and cruise control.

The main caveat is that safety equipment is more limited on lower trims, so you should verify exactly what’s installed on any used example you’re considering.

Should I buy a 2021 Chevrolet Silverado 2500HD 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:

• 30.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 77.7% — always verify the vehicle history report.
• Price trend: Prices have softened 5.78% compared with last year.
• Owners rate it 4.67/5 — a strong satisfaction signal.
• The 2021 adds more available options, including wireless smartphone connectivity and fresh camera technology.

Consider the 2020 if:

• At $39,054, the 2020 costs less than the current year's $40,895 average.
• It offers multiple powertrain options and easy-to-use technology.

The bottom line: If you want the better-balanced shopping opportunity, the 2021 is the stronger pick because it combines softer pricing, solid inventory, and strong owner satisfaction. If your priority is spending less up front, the 2020 is the more budget-friendly alternative and still delivers the core heavy-duty capability you’re after.

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