20 MPG combined for the 2025 Ford Bronco 4WD 2.3L 4-cylinder might raise an eyebrow if you’re comparing it to an economy sedan, but for a body-on-frame, go-anywhere SUV designed to conquer trails and look good doing it, that’s a good figure. This isn’t a vehicle built for ultimate efficiency; it’s engineered for rugged capability, ground clearance, and the ability to detach its doors and roof. The buyer of this specific Bronco variation prioritizes authentic off-road prowess, a distinctive, retro-inspired aesthetic, and a strong platform over absolute parsimony at the pump. The 2.3L EcoBoost, coupled with the 10-speed automatic transmission, represents a strategic balance, offering punchy performance that feels surprisingly sprightly for a vehicle of its size and design, while still delivering a fuel economy figure that doesn’t completely drain the wallet.

City and highway performance

The EPA rates the 2025 Bronco 2.3L at 18 MPG in the city and 22 MPG on the highway. In urban environments, that 18 MPG reflects the vehicle’s inherent characteristics: its weight, the reliable 4WD system, and the occasional need for higher RPMs to get its brick-like aerodynamic profile moving from a stop. This isn’t a small crossover; it’s a substantial machine. Highway driving, where the 10-speed automatic can settle into its taller gears and the engine operates within its most efficient band, sees a slight improvement to 22 MPG. However, the Bronco’s upright stance and less-than-slippery aerodynamics are always working against it once speeds climb. Owners understand this; the Bronco’s mission isn’t to slice through the air like a bullet train, but to provide an unfiltered connection to the road and the trail. The engine, despite its relatively small displacement, provides sufficient torque and horsepower to make highway cruising comfortable, even with the occasional mountain pass or interstate on-ramp. For a complete list of BRONCO MPG across all years, our database is available.

Annual fuel cost

Based on EPA estimates, the annual fuel cost for the 2025 Ford Bronco 4WD 2.3L 4-cylinder is $2,200. This figure assumes an average of 15,000 miles driven per year and uses national average fuel prices for regular gasoline. It’s a calculation designed to give prospective buyers a standardized, easy-to-understand benchmark for expected running costs. For the Bronco owner, this $2,200 number is another part of the ownership equation. They’re investing in a lifestyle vehicle, an identity, and a capable off-roader, and this fuel cost is factored into that decision. It’s a transparent way to illustrate the ongoing expense beyond the initial purchase price, and for many, it’s a perfectly acceptable compromise for the joy and utility the Bronco delivers.

Real-world expectations

In the real world, owners of the 2.3L Bronco often report numbers that fall closely in line with the EPA’s 20 MPG combined rating, sometimes slightly lower if their driving heavily favors aggressive city driving, extensive off-roading, or consistently high highway speeds. Conversely, a disciplined driver with a gentle foot, particularly those logging mostly rural highway miles, might even marginally exceed the 22 MPG highway figure. Factors like tire choice (knobby off-road tires inherently increase rolling resistance), roof racks, aftermarket bumpers, and any accessories that disrupt aerodynamics will inevitably impact fuel economy. The Bronco isn’t a vehicle that encourages hypermiling; its character invites exploration and adventure, which often means driving conditions that are inherently less efficient than a controlled EPA test cycle. Buyers aren’t purchasing this vehicle expecting Prius-like economy; they’re buying it for its adventurous spirit and accepting that its fuel consumption aligns with that ethos.

How it compares

When placed against its direct competitors, the 2025 Bronco 2.3L’s 20 MPG combined stands up quite well, especially considering its core mission. Take the iconic Jeep Wrangler. A 2.0L turbo-four 4WD Wrangler with an automatic transmission typically sees 20-21 MPG combined, making it almost identical in efficiency. The more powerful 3.6L V6 Wrangler often dips to 19 MPG combined. Moving to the Toyota 4Runner, an older, less refined platform, its 4.0L V6 delivers a significantly lower 17 MPG combined, a stark contrast to the Bronco’s more modern powertrain. Even some larger, more traditional SUVs without the Bronco’s off-road focus can struggle to match its numbers. For example, a 2025 Toyota Grand Highlander with its 2.4L turbo engine, a unibody crossover, still only manages around 24 MPG combined. This context is crucial: the Bronco isn’t just delivering competitive efficiency within a segment where “efficiency” is often a secondary consideration to capability and durability, it’s also beating some competitors. You can explore all Ford fuel economy data on our site.

Tips to maximize efficiency

Maintaining proper tire pressure is important for the Bronco. Its tires, especially the more aggressive off-road options, are often run at lower pressures off-road, but for pavement driving, ensure they are inflated to the manufacturer’s recommended specs to minimize rolling resistance and improve stability.

While the Bronco’s 2.3L engine is capable, avoid unnecessary aggressive acceleration and hard braking. Anticipate traffic and aim for smooth, gradual inputs; this allows the 10-speed transmission to select optimal gears, preventing the engine from working harder than necessary.

Remove any unnecessary weight or aerodynamic impediments. Those detached doors and roof components, while fun, add weight, and large roof racks, spare tires on roof mounts, or other external accessories significantly increase drag, particularly at highway speeds, so consider removal when not in use.

Use the Bronco’s different drive modes appropriately. While its Normal mode balances performance and economy well, engaging a Sport mode for everyday driving will usually lead to lower MPG due to altered shift points and throttle response. Conversely, specific off-road modes, while invaluable, are not designed for fuel economy.

Regular maintenance is critical. Keep up with oil changes, air filter replacements, and spark plug intervals as recommended by Ford. A well-tuned engine is an efficient engine, ensuring your 2.3L EcoBoost is always operating at its peak potential.