How much does the 2021 RAM 3500 cost?

Prices have softened 5.02% compared to this time last year, making it a favorable time to shop this model year.

There are 1,228 listings available, which gives you a meaningful amount of inventory to compare across trims and conditions.

If you find a listing below $47,933.84, 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 many also like the ride quality compared with competitors. For you, that makes the 2021 RAM 3500 a strong fit if you want maximum-duty capability with a more comfortable, upscale feel for daily use. With 29.6% 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 owner feedback also leans toward dependable heavy-duty use, with repeated praise for performance, towing strength, and the ability to handle heavy loads with confidence. That kind of feedback matters if you plan to keep the truck for the long haul, because it suggests the ownership experience has been solid for many buyers. For used shoppers, the main long-term risk is less about the truck’s core capability and more about buying one that has been worked hard without proper maintenance or history documentation.

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

Accident-free inventory is solid at 76.5% — always verify the vehicle history report.

You should start with a history report so you can confirm accident status, title status, and prior use before you get too far into the process. After that, prioritize a thorough inspection of the truck’s condition, especially if it has been used for towing or heavy-duty work. Focus on signs of wear that could affect long-term ownership, and make sure the truck’s equipment and overall condition match the way you plan to use it.

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: 29.6% of listings are priced as good or great deals.
• Inventory: There are 1,228 listings available.
• Price trend: Prices have softened 5.02% compared with last year.
• Clean inventory: 76.5% of listings are accident-free.

If you find a listing below $47,933.84, 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 $47,925 sits slightly below last year's $50,458.

That price movement suggests the market has cooled a bit, which can help you buy more carefully now but may also mean future resale gains are more limited if prices stay soft. Even so, a truck with strong owner satisfaction can still hold buyer interest better than one with mixed reviews. If you maintain it well and keep documentation in order, you give yourself a better shot at stronger resale performance later.

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:

• 29.6% of listings are priced as good or great deals.
• Accident-free inventory is solid at 76.5% — always verify the vehicle history report.
• Price trend: Prices have softened 5.02% 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 decent pool of listings to compare, the 2021 is the primary path to consider. If your priority is simply finding the lowest possible entry price, you may want to stay flexible and compare nearby years and individual listings closely before you buy.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.