How to Improve Your Trailer’s Fuel Efficiency

27, Apr, 2025

Towing a trailer naturally increases fuel consumption, but with a few smart adjustments, you can make your trips more efficient and cost-effective. Simple changes like adjusting your driving habits, reducing wind resistance, and keeping up with maintenance can help you save fuel, money, and extend the life of your vehicle.

Reduce Wind Resistance

One of the biggest factors affecting fuel efficiency while towing is wind drag. A tall or boxy trailer creates resistance, making your engine work harder. If possible, choose a trailer with an aerodynamic design or install a wind deflector on your tow vehicle to help smooth airflow. Ensuring the trailer sits level by adjusting the hitch also reduces drag, preventing unnecessary fuel waste.

Keep Your Tires Properly Inflated

Underinflated tires create rolling resistance, meaning your vehicle needs more power—and more fuel—to move forward. Checking tire pressure before every trip ensures you’re driving efficiently. Not only does proper inflation improve gas mileage, but it also extends the life of your tires and enhances safety on the road. If you notice uneven wear, it might be time for an alignment or tire rotation.

Lighten the Load

The heavier the trailer, the more fuel your vehicle will burn. Whenever possible, remove unnecessary cargo to reduce the overall weight. Even weight distribution also plays a role in efficiency. A poorly loaded trailer can create drag, making it harder to tow. Choosing a lightweight trailer made from aluminum instead of heavy steel can make a significant difference in fuel consumption.

Drive at a Steady Speed

Speeding while towing increases wind resistance and forces your engine to work harder. Keeping your speed between 55-65 mph can help you conserve fuel. Avoid sudden acceleration and hard braking, as these habits waste energy. Using cruise control on highways can also help maintain a steady pace and improve efficiency.

Use the Right Gear and Towing Mode

Many modern vehicles come with a tow/haul mode, which optimizes transmission performance for better fuel efficiency. Keeping your RPMs low prevents excessive fuel consumption, and if you’re using a manual transmission, shifting gears early helps maintain momentum without overworking the engine. When going downhill, using engine braking instead of riding the brakes also saves energy.

Minimize Idle Time

Letting your vehicle idle for extended periods is one of the fastest ways to waste fuel. If you’re making a stop, turn off the engine instead of keeping it running. Planning your stops efficiently reduces unnecessary breaks and fuel consumption, especially on long trips.

Regular Maintenance Makes a Difference

Keeping both your tow vehicle and trailer in top condition is essential for fuel efficiency. Regular oil changes, clean air filters, and well-greased trailer bearings reduce friction and keep everything running smoothly. A properly maintained engine uses less fuel, and checking for mechanical issues before hitting the road prevents unexpected breakdowns that could cost you more in repairs and wasted fuel.

Final Thoughts

Improving fuel efficiency while towing isn’t just about saving money—it also reduces strain on your vehicle and makes your trips smoother. By reducing wind resistance, checking tire pressure, lightening your load, driving steadily, and keeping up with maintenance, you can get the most out of every gallon of fuel.