Date Published: February 19, 2026 | Last Modified: 1 hour ago | 3 minute read by Matt Brill at Redwater Dodge

When you step onto the lot at any dealership, one of the most significant decisions you’ll face isn’t just the colour or the trim level, it’s what’s under the hood. For many of our customers, the debate boils down to a fundamental question: Is a RAM 2500 or 3500 Cummins® Turbo Diesel worth the extra cost compared to a RAM 1500 gas-powered truck?

To make an informed decision, you have to look beyond the window sticker. Owning a truck is a long-term commitment, and the "real cost" involves a balance of upfront investment, routine maintenance, and the ultimate payout when it’s time to trade it in.

Understanding the Maintenance Math

Let’s be transparent: a diesel engine requires a different level of care than a standard Hemi or Hurricane engine. Because diesel engines operate under higher pressure and use more complex filtration systems, your service visits will look a little different.

Oil and Filters: Diesel engines require more oil, and the filters (both oil and fuel) are heavy-duty components designed to keep the engine running for hundreds of thousands of miles.

Fuel Filtration: Unlike many gas trucks, diesel units rely heavily on clean fuel. Regularly changing your fuel filters is a non-negotiable part of ownership that adds a bit to your annual maintenance budget.

Parts Longevity: While the parts may cost more upfront, they are built for "the long haul." Cummins components are industrial-grade, meaning they are designed to withstand the stress of heavy towing and high-mileage commuting far better than a light-duty gas equivalent.

The Efficiency Edge: Fuel Economy on the Open Road

While diesel fuel prices can fluctuate, the efficiency of the Cummins engine often offsets the price at the pump for high-mileage drivers. If you are frequently traveling back and forth on the highway or hauling trailers, the diesel engine typically offers superior fuel mileage compared to a gas-powered half-ton. The torque-heavy nature of a diesel means the engine doesn’t have to work nearly as hard to maintain cruising speeds, resulting in fewer stops at the gas station during your road trips.

Resale Value: The "Diesel Dividend"

Perhaps the strongest argument for choosing a 2500 or 3500 diesel is what happens 3, 4, or even 10 years down the road. In the automotive world, depreciation is the biggest "hidden cost." However, diesel trucks are famous for their resale value.

A half-ton gas truck is a fantastic vehicle, but as the kilometers climb, its value tends to taper off. In contrast, a well-maintained RAM Diesel is a highly sought-after commodity on the used market. Because these engines are known to last for 400,000+ kilometers, buyers are willing to pay a premium for them even years later. When you go to trade in your diesel, you aren't just getting rid of a truck; you’re cashing in on an asset that has held its value significantly better than its gas counterparts.

Which is Right for You?

If you need a daily driver for short city trips and light projects, the RAM 1500 is an unbeatable, cost-effective choice. But if you are looking for longevity, towing power, and a vehicle that will return a massive chunk of your investment when you’re ready for an upgrade, the RAM Diesel is the king of the road.

Matt Brill-- Sales Manager at Redwater Dodge