When it comes to overlanding, off-roading, road-tripping, long-distance adventuring, and casual mayhem, choosing a diesel-powered truck over a gasoline-powered truck could be advantageous. Yes, we’re extremely biased, but diesel fuel, compared to gasoline, offers several significant advantages that make it a popular, smart choice for many adventurers. Here are eight key benefits to choosing a diesel-powered truck over a gas-powered truck for your off-grid explorations.

1. Fuel Efficiency

It’s no secret that when put to the test, diesel engines are generally more fuel-efficient than gasoline engines. Diesel fuel has a higher energy content per gallon, meaning that for every gallon consumed, a diesel engine typically delivers more power and greater mileage. This is especially important when you’re traveling in remote areas, where fuel stations can be sparse to non-existent. Given its efficiency, a diesel vehicle can go farther on a tank of fuel, reducing the need for frequent refueling. This is a huge advantage during long trips in remote, isolated locations where every mile counts.

Heavy duty trucks in the three-quarter and one-ton classes aren’t EPA rated, but here’s an example from the half-ton truck class. A Chevy Silverado 1500 ZR2 with the 3.0-liter I6 diesel is rated for 21 mpg (city), 24 mpg (highway), and 22 mpg (combined). The same truck with the 6.2-liter gas V8 is rated for 15 mpg (city), 18 mpg (highway), and 16 mpg (combined). The diesel can expect 528 miles of range, whereas the gas version drops to 384 miles.

2. Torque and Towing Capacity

One of the standout features of diesel engines is their superior torque output. We’re talking about up to 1,200 lb-ft of torque from the Power Stroke. Torque is essential for off-roading and towing, as it enables the vehicle to handle tough terrain and heavy loads without feeling over-burdened. Diesel trucks provide more low-end torque, which translates to better performance when navigating steep inclines, sand dunes, muddy trails, or when towing heavy camping gear, trailers, or off-road toys. This power is especially beneficial in off-roading scenarios where maintaining momentum is crucial.

3. Durability and Longevity

Diesel engines are known for their robustness, durability, and longevity, packing on hundreds of thousands of miles without fuss. They don’t care about idling for hours. These attributes make them ideal for overlanding, where vehicles often endure extreme conditions. Diesel engines have a more robust construction, and because they operate at lower RPMs, they tend to experience less wear and tear over time. This longevity translates into fewer breakdowns and a lower chance of needing repairs while adventuring in remote areas, which can be both time-consuming and costly. They have their disadvantages, but older diesels tend to be simpler and more mechanical versus modern diesel, thanks to their lack of emissions control systems and computer-run components.

4. Range

Overlanding often takes you to remote, isolated areas where fuel stations can be far apart. Diesel engines—typically placed in heavy-duty trucks—tend to have longer driving ranges than gasoline engines due to their fuel efficiency doubled with physically larger fuel tanks. For example, a Chevy Silverado 1500 has a 24-gallon fuel tank, whereas a Silverado 2500HD has a 35.9-gallon tank. This extended range means fewer stops to refuel, allowing you to spend more time exploring and less time searching for fuel. It also reduces the need to carry as many extra fuel cans, which is often cumbersome and dangerous in off-road conditions.

5. Better Fuel Availability in Remote Areas

While gasoline is more common overall, diesel fuel is often more widely available in remote or rural locations, especially in certain regions where heavy-duty trucks and machinery are more prevalent. Many countries, especially in Europe, Africa, and parts of South America, rely heavily on diesel for transportation, making it an advantage when traveling internationally. Diesel-powered vehicles are also commonly used in industrial applications like agriculture and construction, further boosting the availability of diesel in rural areas.

6. Off-Road Performance

Off-roading and overlanding demand vehicles that can handle extreme conditions, and diesel engines excel in this area. Their ability to maintain consistent power at low RPM allows for smoother driving over rough terrain. Diesel vehicles also typically feature better gearing ratios suited for crawling over obstacles, climbing hills, and navigating rocky paths. The power and torque they deliver provide more control, reducing the chances of getting stuck or damaging your vehicle.

7. Fuel Stability

Diesel fuel is generally more stable than gasoline, especially in colder temperatures. Diesel doesn’t evaporate as easily as gasoline, meaning it’s less likely to cause issues in freezing conditions, which is valuable when you’re traveling through colder climates during your overlanding adventures. Additionally, diesel fuel has a longer shelf life, which is an advantage if you’re storing fuel for extended trips.

8. You Already Own a Diesel

Let’s face it: if you’re visiting Diesel Army, you already own a diesel or are on the verge of owing a diesel. Put another way: diesel has been, and always will be, cooler. If a diesel’s in your driveway, it’s the right choice. Don’t be afraid to go have a little fun.