Used 2021 RAM 3500 for SaleNationwide

How much does the 2021 RAM 3500 cost?

Prices have softened 6.18% compared to this time last year, making it a favorable time to shop this model year.

There are 1,263 listings available, which suggests solid inventory for shoppers comparing trims and conditions.

Is the 2021 RAM 3500 a good car?

Yes — the 4.71/5 user rating points to strong owner satisfaction. Owners consistently praise its towing capability, handling with heavy loads, and spacious cab, and they also appreciate the ride quality compared with competitors. For you, that makes it especially appealing if you want a heavy-duty truck that can work hard while still feeling more comfortable and upscale for daily use. With 29.8% of listings marked as good or great deals, there is a meaningful amount of market opportunity if you shop carefully.

Is the 2021 RAM 3500 reliable?

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

The user feedback highlights 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. The overall tone of owner feedback also suggests a vehicle people feel they can count on for serious work and long-term use. For used buyers, that kind of satisfaction can reduce ownership risk, though you should still focus on maintenance history and condition because heavy-duty trucks often see demanding use.

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

Accident-free inventory is solid at 76.2% — always verify the vehicle history report.

You should start with a history report to confirm accident status, prior use, and any signs of repeated hard towing or commercial duty. Then prioritize a thorough inspection of the suspension, brakes, tires, and interior wear, since those areas can reveal how hard the truck has been worked. It also makes sense to focus on overall condition and maintenance records, because a heavy-duty truck can look good on paper while still carrying the wear of a demanding life.

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

This looks like a moderate market for selective buyers, with enough inventory to compare options but still enough variation to reward careful shopping.

• Deal availability: 29.8% of listings are priced as good or great deals.
• Inventory: There are 1,263 listings available.
• Price trend: Prices have softened 6.18% compared with last year.
• Clean inventory: 76.2% of listings are accident-free.

If you find a listing below $47,364, 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 $47,628 sits slightly below last year's $50,766.

That price movement suggests the market has eased, which can help you buy more favorably now but may also mean future resale gains are more limited if prices stay soft. Even so, a truck with strong owner satisfaction and broad appeal among heavy-duty shoppers can still hold demand well when it is clean, well maintained, and properly equipped. If you plan to sell later, condition and service history will matter a lot in protecting value.

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:

• 29.8% of listings are priced as good or great deals.
• Accident-free inventory is solid at 76.2% — always verify the vehicle history report.
• Price trend: Prices have softened 6.18% compared with last year.
• Owners rate it 4.71/5 — a strong satisfaction signal.

The bottom line: If you want a heavy-duty truck with strong owner approval, a softer price trend, and a healthy pool of listings, the 2021 is the primary year to target. If your priority is simply finding the lowest possible entry price, you may want to compare nearby years and focus on the cleanest, best-maintained example rather than the badge year alone.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.