RAM 2500 vs RAM 3500: Do You Actually Need a Dually?

Performance Dodge · RAM 2500 vs 3500

RAM 2500 vs RAM 3500: Do You Actually Need a Dually?

A straight answer for South Jersey contractors, horse owners, boaters and camper families on payload, towing, ride quality and what a dually is really like to live with.

Key Takeaways

RAM 2500 or RAM 3500: Which One Fits Your Work?

Almost every week someone walks into our Woodbury showroom with the same question. They have a trailer, or they’re about to buy one, and they want to know if they need a RAM 3500 dually or if a 2500 will do. Most people don’t need the dually. Some absolutely do. Below we cover what separates the two for the 2026 model year (the trucks on lots now, with 2027s starting to arrive), using RAM’s published ratings, and then give you a straight recommendation.

Do You Actually Need a RAM 3500 Dually?

Only if you check one of two boxes. Either you regularly tow a fifth-wheel or gooseneck heavier than a single rear wheel truck is rated for, or you regularly carry loads in the bed (a slide-in camper, pallets of block, a big water tank) that would overload a 2500. Otherwise, a 2500 or a single rear wheel 3500 will do the job, ride better, and fit in your driveway and the Wawa lot.

A family pulling a big fifth-wheel to a Cape May County campground every summer is often in dually territory. So is a Salem County horse owner with a living-quarters gooseneck. A contractor pulling a loaded equipment trailer down Route 55 usually isn’t.

What’s the Real Difference Between a RAM 2500 and a RAM 3500?

For 2026, the two pickups share the same engines, transmissions, cabs, trims and tech. The difference lives underneath: the rear suspension, the dual rear wheel option, and the weight ratings on the door sticker.

Payload and GVWR decide it more than the engine does

GVWR (gross vehicle weight rating) is the most the truck can weigh loaded. Payload is what’s left after the truck’s own weight. RAM lists a maximum GVWR of 11,040 pounds on the 2026 2500 and 14,000 pounds on the 3500 dually. That gap becomes payload: up to 3,930 pounds on the 2500 and up to 7,590 pounds on the 3500, both with the HEMI. The Cummins weighs more, so diesel payloads run lower, up to 3,600 pounds on the 2500 and 6,050 pounds on the 3500.

Hitch weight counts against payload. A fifth-wheel or gooseneck typically puts around 15 to 25 percent of its weight in the bed, so a 16,000-pound camper can put 3,000 pounds or more on the hitch before you add the hitch itself, your family and a generator. That’s how a truck rated to tow 20,000 pounds ends up over its payload with a 16,000-pound trailer. Maximum payloads also come from lighter configurations, so a loaded crew cab 4×4 will be rated lower. Always check the sticker on the driver’s door jamb of the exact truck.

GCWR is the other number to watch

GCWR (gross combined weight rating) is the most the truck and trailer can weigh together. RAM’s chart puts the 2026 3500 dually with the Cummins and 3.42 axle at up to 45,000 pounds, which is how it earns its big towing number. Single rear wheel trucks carry noticeably lower combined ratings. Whichever limit you hit first, payload, towing or GCWR, is your real limit.

Which Engines Come in the 2025 and Newer RAM HD?

RAM simplified the heavy-duty pickup lineup for 2025, and it carries into 2026 and the 2027 trucks now arriving. There are two engines, offered on both the 2500 and the 3500.

6.4L HEMI V8

The gas V8 makes 405 horsepower and 429 lb-ft of torque with an 8-speed automatic, and RAM rates it to tow up to 17,740 pounds in the 2500 and 18,150 pounds in the 3500. Because it’s lighter, the highest payload ratings in the lineup come from HEMI trucks. For a contractor who hauls more than tows, it makes a lot of sense and costs far less.

High Output 6.7L Cummins turbo diesel

The Cummins makes 430 horsepower and 1,075 lb-ft of torque through the ZF-built TorqueFlite HD 8-speed. Before 2025, the standard-output Cummins (370 hp and 850 lb-ft) used a six-speed automatic, and the High Output version with the Aisin six-speed was 3500-only. For 2025, RAM dropped the standard-output engine from its pickups and made the High Output Cummins available on the 2500 too. So no engine is 3500-only anymore. What stays exclusive to the 3500 is dual rear wheels and the higher ratings that come with them. On 2026 models the Cummins option is listed at $12,595, and option pricing can change.

2026 RAM 2500 vs 3500 SRW vs 3500 Dually: Key Specs

These are RAM’s maximum published figures for 2026. Each applies to one specific cab, bed, drivetrain and axle combination, so the truck you’re looking at may be rated lower.

Pricing changes and incentives vary. RAM’s preliminary 2027 figures nudge a few numbers up, including up to 37,020 pounds of towing for the Cummins 3500 and a new $835 Payload Upgrade Package that takes a HEMI 2500 to 4,580 pounds of payload. A custom factory order lets you spec exactly the ratings you need.

How Do the Rear Suspensions and Ride Quality Compare?

This is the biggest difference you’ll feel from the driver’s seat. The 2500’s five-link coil spring rear suspension soaks up the patched pavement on Route 130 better than you’d expect from a three-quarter-ton. The available auto-leveling rear air suspension keeps it level with a trailer on and can drop the rear to make hitching easier.

The 3500 uses rear leaf springs, a big part of how it carries so much more. A supplemental rear air suspension is available and helps with leveling under heavy pin weight. Empty, though, a 3500, and a dually especially, feels firmer and can get bouncy over rough roads. Put 2,500 pounds on the hitch and it settles down and feels planted. Drive both back to back and you’ll notice within a mile.

Should You Get a Single Rear Wheel 3500 or a Dually?

The single rear wheel (SRW) 3500 is an underrated middle ground. It’s the same width as a 2500 and fits normal parking spaces and car washes, but its leaf springs and higher GVWR give it more payload. With the Cummins, RAM’s ratings let it tow up to roughly 26,000 pounds, which covers a lot of fifth-wheels and goosenecks.

The dually’s second pair of rear tires carries more weight and gives the truck a much wider stance. With a tall fifth-wheel, you feel that stability in a crosswind on the Commodore Barry Bridge or when a tractor-trailer blows past on the Turnpike. It’s also the only way to reach the 3500’s top ratings. Note that the 36,610-pound figure requires a fifth-wheel or gooseneck hitch; on a conventional hitch RAM caps the 3500 at 23,000 pounds.

What’s a Dually Like to Drive Every Day in South Jersey?

We try to be upfront here, because a dually is a commitment. RAM lists it at 96.5 inches wide versus 83.5 inches for single rear wheel trucks, before mirrors, and that extra width sits right at the rear fenders. In a busy lot like the Deptford Mall you’ll park at the far end. High-curbed drive-thru lanes get tight, and plenty of owners just walk in. Many automatic car washes won’t take dual rear wheels, which matters in a Jersey winter when you want road salt off the frame. Narrow streets in Haddonfield or Collingswood take patience.

Running costs go up too. You’re buying six tires instead of four. And the New Jersey Turnpike Authority puts two-axle dual-tire vehicles in Class 2, while regular pickups are Class 1, so a dually generally pays more on the Turnpike and Parkway. If the truck is also your commuter and you tow a few weekends a year, a 2500 or SRW 3500 is much easier to live with.

What Fuel Economy Should You Expect?

Neither truck has an EPA rating, because pickups with a GVWR over 8,500 pounds aren’t required to carry one. The Cummins beats the HEMI by a healthy margin, and the gap widens when towing. Reviewers of the 2025 diesel 2500 saw roughly the mid-teens to about 20 mpg unloaded depending on conditions, while heavy towing drags any HD truck toward single digits. Between a 2500 and 3500 with the same engine, the difference is smaller than people expect. The diesel really earns its keep on long pulls, like a trip up the Northeast Extension to the Poconos with the camper.

Do New Jersey Registration or Licensing Rules Change With a Heavier Truck?

They can, so check before you buy. We’re a dealership, not the MVC, so treat this as a starting point. New Jersey bases commercial registration fees on gross weight, and how a pickup is registered depends on how it’s used. A truck that works for your business may need commercial plates. Ask the NJ Motor Vehicle Commission how your truck and use should be registered.

Licensing is the bigger question for dually buyers. Under NJ MVC rules, a Class A CDL covers combinations rated at 26,001 pounds or more when the trailer is over 10,000 pounds. A dually pulling a big gooseneck clears that line easily. Whether it applies to you depends on business, farm or personal use, and the exemptions are specific, so confirm with the NJ MVC before you hook up. Business trucks rated over 10,000 pounds that cross into Pennsylvania or Delaware can also fall under federal DOT rules.

Which One Holds Its Value Better?

Clean Cummins trucks tend to stay in demand used. The 2500 appeals to the widest range of buyers, so it’s usually the easiest to sell or trade. A dually has a smaller audience of fifth-wheel, horse trailer and commercial buyers. It sells well when one of them is shopping, but there are fewer of them. For either truck, keep every service record and get a trade-in value estimate when it’s time to move on.

Our Verdict: Who Should Buy Each Truck?

Here’s how we steer most truck buyers from Gloucester, Camden and Salem counties.

• RAM 2500 with the HEMI. For contractors who carry tools and material, plow in winter and tow moderate bumper-pull trailers. It rides best and costs least.
• RAM 2500 with the Cummins. For boat owners pulling a big cruiser to the Delaware River or down the Shore, and anyone towing heavy bumper-pull trailers often. Watch payload if a fifth-wheel is in your future.
• RAM 3500 single rear wheel. The sweet spot for mid-size fifth-wheels, goosenecks and horse trailers, or anyone who keeps bumping into a 2500’s payload.
• RAM 3500 dually with the Cummins. For large fifth-wheels, heavy goosenecks, living-quarters horse trailers and commercial hauling where trailers regularly run well past 20,000 pounds.
• RAM 3500 dually with the HEMI. A niche pick for bed-heavy work like slide-in campers or water tanks, where you want maximum payload and don’t tow far.
• A chassis cab instead. If you need a flatbed, dump or service body, a RAM chassis cab is usually the better starting point.

If you’re right on the line, go with more capacity. Trailers tend to get bigger, and running a truck at its limit every weekend is hard on brakes, tires and transmissions. Business owners buying several trucks can talk with our commercial vehicle team about upfits.

Better yet, drive both. Come by our store on Mantua Pike, take a 2500 and a 3500 out on Route 45 and Route 55, and bring your trailer’s spec sheet so we can check it against the door stickers of real trucks on the lot. You can schedule a test drive online. We work with truck buyers from Cherry Hill, Camden, Deptford, Pennsauken and all over Gloucester County.

Ready to Pick the Right RAM HD?

Browse our RAM 2500 and 3500 inventory, or sit down with our team to go over payload, towing and trailer setup before you buy. We’ll match the truck to the work you actually do.

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555 Mantua Pike, Woodbury, NJ 08096

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