18 MPG combined is what you commit to when you sign the papers for a 2025 Ford F-150 Tremor 4WD with the 3.5L EcoBoost engine. This isn’t a truck trying to be something it’s not; it’s an unapologetic, purpose-built off-road and workhorse machine, and its fuel consumption reflects that singular focus. No buyer expects Prius-like numbers from a full-size pickup engineered to tackle demanding trails, haul heavy loads, and provide confident performance in adverse conditions. The Tremor, after all, is the F-150 for those who frequently venture beyond the pavement, demand strong capability, and appreciate a truck that’s ready for anything right from the factory floor.

City and highway performance

Breaking down that 18 MPG combined figure, the EPA rates the 2025 F-150 Tremor at 16 MPG in the city and 21 MPG on the highway. The immediate takeaway is that highway driving offers a notable improvement, which is typical for modern trucks, especially those equipped with a 10-speed automatic transmission. In urban environments, frequent stops, starts, and the sheer inertia of this substantial vehicle naturally consume more fuel. However, the 3.5L EcoBoost engine, despite its reliable power delivery, is surprisingly efficient for its output. It’s not a displacement monster, relying instead on twin-turbocharging to deliver 400 horsepower and 500 lb-ft of torque, a combination that minimizes cylinder count while maximizing grunt. On the open road, the transmission’s wide gear ratio spread allows the engine to lope along at lower RPMs, contributing to that 21 MPG highway rating. Forget hypermiling; the Tremor’s character encourages confident cruising, and the highway numbers reflect a well-tuned powertrain that doesn’t squander fuel when allowed to stretch its legs.

Annual fuel cost

The EPA provides a clear estimate for the annual fuel cost of the 2025 Ford F-150 Tremor 4WD: $2,450 per year. This figure is calculated based on an assumption of 15,000 miles driven annually, split between 55% city and 45% highway driving, and using national average fuel prices. It’s a useful benchmark for buyers looking to understand the ongoing operational expenses beyond the purchase price. For the individual who buys a Tremor, this cost isn’t an unexpected burden; it’s a known quantity for a vehicle designed to work hard and play harder. The truck’s capabilities, from its elevated ground clearance to its advanced off-road suspension and locking differentials, command a premium, and that includes fuel consumption. Those who rely on their F-150 Tremor for towing a boat to the lake every weekend or traversing muddy tracks to a job site understand that fuel is simply part of the cost of doing business – or having an immense amount of recreational fun.

Real-world expectations

In real-world driving, 18 MPG combined for the F-150 Tremor 4WD is an achievable target, but it demands a degree of awareness from the driver. Load the bed with several hundred pounds of equipment, hook up a sizable trailer, or engage 4WD frequently for off-road excursions, and you will see those numbers dip. The Tremor’s substantial 33-inch General Grabber all-terrain tires, reliable suspension components, and heavier-duty running gear all add rotational mass and aerodynamic drag compared to a standard F-150. Enthusiastic driving, especially with the potent EcoBoost engine, also naturally consumes more fuel. However, for everyday commuting without heavy loads or aggressive driving, hitting the 16 MPG city and 21 MPG highway figures is realistic. The buyers of this truck aren’t looking for bragging rights at the pump; they’re looking for a truck that delivers on its promise of capability, and that capability has a corresponding fuel requirement. They’ve chosen the Tremor for its specific mission, and they accept its operational costs as part of the package.

How it compares

When stacking the 2025 F-150 Tremor up against its direct rivals, its 18 MPG combined figure is right in the competitive ballpark for an off-road-focused full-size pickup. Take the 2024 Ram 1500 Rebel with its 5.7L HEMI V8 and 4WD, for instance: it typically delivers 18 MPG combined (16 city/21 highway), mirroring the Tremor almost exactly despite its naturally aspirated V8. The Chevrolet Silverado 1500 Trail Boss, equipped with the 5.3L V8 and 4WD, also hovers around 17-18 MPG combined, often rated at 16 city/20 highway. Even the Toyota Tundra TRD Pro, with its twin-turbo V6 hybrid powertrain, achieves around 19 MPG combined (18 city/20 highway), showing that even with electrification assistance, serious off-road capability in a full-size pickup still demands a notable fuel commitment. These comparisons are critical because they highlight that the Tremor isn’t an outlier; it’s a mainstream player in a niche segment, and its fuel economy is consistent with what buyers expect from such a reliable and capable vehicle. For more detailed information on all Ford fuel economy data, our database provides insights.

Tips to maximize efficiency

While the 2025 F-150 Tremor isn’t a fuel sipper, optimizing your driving habits can still yield noticeable gains. Smooth, measured acceleration and anticipation of traffic flow are key. The EcoBoost engine delivers power quickly, but gentle throttle inputs prevent unnecessary fuel consumption, especially around town.

Maintain consistent highway speeds and use cruise control whenever possible. The 10-speed transmission is designed to keep the 3.5L EcoBoost in its most efficient range, and avoiding constant speed fluctuations helps it do its job effectively. Drag increases exponentially with speed, so keeping within reasonable limits pays dividends.

Regular maintenance, including proper tire inflation, is crucial for preserving fuel economy in any vehicle, especially one with large, aggressive tires like the Tremor. Under-inflated tires increase rolling resistance, forcing the engine to work harder and consume more fuel unnecessarily.

Removing unnecessary weight from the bed and avoiding rooftop accessories when not in use can also contribute to better fuel economy. While the Tremor is built to haul, excess cargo or aerodynamically unfavorable attachments create drag and reduce efficiency over time.

Consider the drive mode selections. While the Tremor offers various modes for off-roading, using Normal or Eco mode for everyday street driving will optimize powertrain behavior for efficiency rather than maximum performance or traction. Drivers interested in tracking efficiency across different F-150 models can review F150 MPG across all years.