Used 2020 Chevrolet Silverado 3500HD for Sale nearSaint Louis, MO

How much does the 2020 Chevrolet Silverado 3500HD cost?

Prices have softened 6.04% compared to this time last year, making it a favorable time to shop this model year.

There are 723 listings available, which gives you a meaningful amount of inventory to compare.

Is the 2020 Chevrolet Silverado 3500HD a good car?

Yes — the 5/5 user rating points to strong owner satisfaction, and the 2020 Chevrolet Silverado 3500HD’s appeal is clear if you need serious heavy-duty capability. The overview highlights maximum towing up to 36,000 pounds, payload up to 7,290 pounds, and useful trailering tech, so it fits best if you want a truck built around hard work and towing confidence. It also offers broad configuration flexibility and practical equipment that make it easier to live with than a bare-bones work truck.

30.6% of listings are priced as good or great deals, so you still have room to shop selectively.

Is the 2020 Chevrolet Silverado 3500HD reliable?

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

The overview suggests a truck designed around durability and serious use, with a heavy-duty chassis and capability-focused hardware that should suit demanding ownership. It also notes that some 2020 trucks were built without features they might otherwise have received during the supply-chain crisis, so you should verify equipment carefully before you buy.

For used buyers, the main long-term risk is ending up with a truck that was worked hard or not equipped as expected, so condition and build verification matter.

What should I look for when buying a used 2020 Chevrolet Silverado 3500HD?

At 74.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report and confirm whether any prior damage was repaired properly. Put inspection priority on the truck’s condition, especially signs of heavy use, mismatched equipment, or missing features. Because this model is often bought for demanding work, focus on wear items and overall maintenance quality rather than just mileage alone.

Is now a good time to buy a used 2020 Chevrolet Silverado 3500HD?

This is a moderate market, so you can shop selectively without expecting a deep buyer’s market.

• Deal availability: 30.6% of listings are priced as good or great deals.
• Inventory: There are 723 listings available.
• Price trend: Prices have softened 6.04% compared with last year.
• Clean inventory: 74.3% of listings are accident-free.

If you find a listing below $43,280, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Chevrolet Silverado 3500HD's resale value?

The current average of $43,390 sits slightly below last year's $46,181.

That price movement suggests the market has cooled, which can help you buy more favorably now but may also limit short-term upside if you plan to resell soon. For a future seller, the key is to buy well and keep the truck in strong condition, because heavy-duty pickups tend to hold value best when they remain clean, well-documented, and work-ready.

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 2020 Chevrolet Silverado 3500HD or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 30.6% of listings are priced as good or great deals.
• At 74.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 6.04% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2021 if:

• At $46,980, the 2021 costs more than the current year's $43,390 average.
• It adds a broader everyday-use focus while keeping heavy-duty capability.

The bottom line: If you want the better value, the 2020 is the stronger starting point because it combines lower pricing with solid satisfaction and plenty of capability. If you are willing to pay more for a newer model and want a truck that leans a bit more toward everyday usability, the 2021 is the better secondary path.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.