Used 2021 RAM 3500 for SaleNationwide

How much does the 2021 RAM 3500 cost?

Prices have softened 10.92% compared to this time last year, making it a favorable time to shop this model year.

There are 1,355 listings available, which suggests you have a solid pool of trucks to compare.

Is the 2021 RAM 3500 a good car?

Yes — the 4.7/5 user rating points to strong owner satisfaction. Owners consistently praise its towing capability, handling with heavy loads, and spacious cab, and they also like the ride quality compared with competitors. For you, that makes it a strong fit if you want a heavy-duty truck that still feels comfortable enough for daily use and long-distance driving. With 32.9% of listings marked as good or great deals, there is still room to shop selectively.

Is the 2021 RAM 3500 reliable?

Owners rate it 4.7/5, a strong signal of long-term satisfaction.

The owner feedback emphasizes dependable performance, especially when it comes to towing and handling heavy loads, which is exactly the kind of use case that matters in a heavy-duty truck. The repeated praise for comfort and capability also suggests this is a truck many owners feel confident keeping for the long haul. For used buyers, the main long-term ownership risk is finding a truck that has been worked hard, so condition and maintenance history matter a lot.

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

At 73.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report so you can separate clean trucks from those with prior damage. After that, prioritize a thorough inspection of the frame, suspension, towing hardware, and cabin condition, since heavy-duty trucks are often used hard. If possible, focus on how the truck was maintained and whether it shows signs of commercial or high-load use.

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

This is a moderate market for selective buyers, so you can shop with some leverage if you know what you want.

• Deal availability: 32.9% of listings are priced as good or great deals.
• Inventory: There are 1,355 listings available.
• Price trend: Prices have softened 10.92% compared with last year.
• Clean inventory: 73.7% of listings are accident-free.

If you find a listing below $45,390, 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 $45,390 sits slightly below last year's $50,953.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable point in the cycle. If you plan to resell later, the key will be how well the truck is maintained and how clean its history remains. Heavy-duty trucks with strong demand and broad appeal tend to hold attention better when they are well cared for and properly documented.

Vehicles with strong owner satisfaction ratings, like this model year's 4.7/5, 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:

• 32.9% of listings are priced as good or great deals.
• At 73.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.92% compared with last year.
• Owners rate it 4.7/5 — a strong satisfaction signal.

The bottom line: The 2021 is a strong choice if you want a heavy-duty truck with solid owner satisfaction and a softer price than a year ago. If you are especially price-sensitive, you may want to compare nearby model years and focus on the cleanest, best-maintained example rather than chasing the newest badge.

How does the 2021 RAM 3500 compare to the 2021 Chevrolet Silverado 3500HD?

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.