Used 2021 RAM 3500 for Sale nearHoltsville, NY

How much does the 2021 RAM 3500 cost?

Prices have softened 5.31% compared to this time last year, making it a favorable time to shop this model year.

There are 1,253 listings available, which gives you a meaningful amount of inventory to compare across trims and conditions.

If you find a listing below $47,489.13, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2021 RAM 3500 a good car?

Yes — the 4.71/5 user rating points to strong owner satisfaction. Owners consistently praise the truck’s towing capability, handling with heavy loads, and spacious cab, and they also like the ride quality compared with competitors. For you, that means this model year makes the most sense if you want a heavy-duty truck that can work hard while still feeling more comfortable and upscale than a basic hauler. With 29.4% of listings marked as good or great deals, you still have room to shop selectively.

Is the 2021 RAM 3500 reliable?

Owners rate it 4.71/5, a strong signal of long-term satisfaction.

The user feedback also points to a truck that feels dependable in the ways that matter most to heavy-duty buyers, especially when it comes to towing and handling heavy loads. Owners describe it as a solid choice in the segment, and that kind of confidence usually matters more than flashy features when you plan to keep a truck for years. For used buyers, the main long-term ownership risk is making sure prior use and maintenance were handled carefully, since a truck this capable may have been worked hard.

What should I look for when buying a used 2021 RAM 3500?

Accident-free inventory is solid at 76.8% — always verify the vehicle history report.

You should start with the history report so you can confirm accident status and look for signs of heavy-duty use. After that, prioritize a thorough inspection of the truck’s condition, especially anything that could reflect towing or hauling wear. Focus on how the truck presents overall, because a well-kept example is especially important in a vehicle built for maximum-duty work.

Is now a good time to buy a used 2021 RAM 3500?

This is a moderate market, so you can shop with some leverage if you stay selective and compare listings carefully.

• Deal availability: 29.4% of listings are priced as good or great deals.
• Inventory: There are 1,253 listings available.
• Price trend: Prices have softened 5.31% compared with last year.
• Clean inventory: 76.8% of listings are accident-free.

If you find a listing below $47,489.13, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 RAM 3500's resale value?

The current average of $47,466 sits slightly below last year's $50,127.

That price movement suggests the market has cooled a bit, which can help you buy more confidently now, but it also means future resale gains may be more limited if prices stay soft. If you plan to sell later, the truck’s value will likely depend heavily on condition, mileage, and how well it was maintained. Strong demand for capable heavy-duty trucks can still support resale, especially when the vehicle presents well and has a clean history.

Vehicles with strong owner satisfaction ratings, like this model year's 4.71/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2021 RAM 3500 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:

• 29.4% of listings are priced as good or great deals.
• Accident-free inventory is solid at 76.8% — always verify the vehicle history report.
• Price trend: Prices have softened 5.31% compared with last year.
• Owners rate it 4.71/5 — a strong satisfaction signal.

The bottom line: If you want a heavy-duty truck that combines serious capability with a more upscale ownership experience, the 2021 is the primary year to target. If your priority is stretching your budget, you can also compare nearby years to see whether a lower asking price outweighs the 2021’s strong mix of satisfaction, inventory, and softened pricing.

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