| Engine | 2.7L 6-cyl |
| Transmission | Automatic (S10) |
| Drive | Part-time 4-Wheel Drive |
| Fuel Type | Regular Gasoline |
| Vehicle Class | Small Sport Utility Vehicle 4WD |
| Engine Desc | SIDI & PFI |
| Start-Stop | Yes |
| EPA Vehicle ID | 43997 |
19 MPG combined is a reality check for anyone considering the 2021 Ford Bronco 4WD with the 2.7L V6. This isn’t a vehicle bought for saving fuel; it’s designed for off-road capability and a healthy dose of retro cool. The Bronco buyer understands, and likely accepts, that carving trails and turning heads comes at a cost at the pump. This is for the enthusiast, the weekend warrior, and those who value capability and distinctive styling over Prius-like efficiency.
City and highway performance
The EPA estimates of 18 MPG in the city and 20 MPG on the highway reflect the Bronco’s inherent compromises. The city MPG suffers because of the Bronco’s weight, less-than-slippery aerodynamics, and the stop-and-go conditions where the engine works hardest. The highway figure isn’t much better due to the Bronco’s brick-like profile and the drivetrain’s focus on low-end torque, not high-speed cruising efficiency. While 20 MPG might seem “okay” on the open road, remember that a significant headwind or higher speeds will drag that number down quickly. The S10 automatic transmission, while providing ten gears to optimize performance, isn’t enough to overcome the core engineering of a body-on-frame, off-road oriented SUV. Those looking at all Ford fuel economy data know this is typical for trucks and SUVs in their lineup.
Annual fuel cost
The EPA estimates the annual fuel cost for the 2021 Ford Bronco 4WD 2.7L at $2,300. This calculation is based on driving 15,000 miles per year, using a national average fuel price. Keep in mind that this is only an estimate. Your personal fuel costs will vary based on your driving habits, the actual price of gasoline in your area, and how much of your driving is in city versus highway conditions. Frequent off-roading or extensive use of four-wheel drive will significantly increase your fuel consumption above that $2,300 figure. Those considering a Bronco should budget accordingly, and prepare for swings in fuel prices.
Real-world expectations
While the EPA numbers provide a baseline, some Bronco owners see slightly lower MPG in real-world use. Aggressive tires, lift kits, and aftermarket accessories, common modifications for Bronco enthusiasts, can all degrade fuel economy. Off-roading, with its slow speeds, constant shifting, and high engine load, will dramatically decrease MPG. A more realistic expectation for mixed driving, especially with any level of off-road activity, is closer to the mid-teens. If fuel economy is a primary concern, carefully consider your driving style and modification plans. Drivers who accelerate quickly will see numbers far below the EPA estimates and should look at BRONCO MPG across all years to anticipate trends and potential future issues.
How it compares
Compared to other off-road-focused SUVs, the 2021 Bronco’s fuel economy is generally in line with its competitors. The Jeep Wrangler Unlimited with the optional 2.0L turbocharged 4-cylinder engine achieves around 22 MPG combined, a slight edge over the Bronco but with less power. The Toyota 4Runner, with its 4.0L V6, delivers around 17 MPG combined, making the Bronco a slightly better option in this comparison. The Land Rover Defender 110 with the P300 engine manages around 19 MPG combined, mirroring the Bronco’s rating, although the Defender comes with a significantly higher price tag. Ultimately, the Bronco’s fuel economy is part of the compromise inherent in owning a vehicle built for challenging terrain. Buyers prioritize off-road capability and a distinctive look over achieving maximum MPG.
Tips to maximize efficiency
One of the easiest ways to improve fuel economy in your 2021 Bronco is to drive smoothly and avoid aggressive acceleration. The 2.7L V6 has plenty of torque, so there’s no need to stomp on the gas pedal. Gentle acceleration and anticipating traffic flow can significantly reduce fuel consumption by keeping the engine in its most efficient operating range.
Tire pressure plays an important role in fuel economy. Ensure your tires are properly inflated to the recommended pressure listed on the doorjamb sticker. Underinflated tires increase rolling resistance, which forces the engine to work harder and burn more fuel. Regularly check and adjust tire pressure, especially during seasonal temperature changes.
Reduce unnecessary weight in your Bronco. Extra gear, roof racks, and bulky aftermarket accessories all add to the vehicle’s weight, impacting fuel economy. Remove any items you don’t need for daily driving, and consider removing roof racks when not in use. Streamlining the vehicle’s profile can also offer a slight MPG benefit.
When off-roading, engage four-wheel drive only when necessary. Driving in 4H or 4L on paved roads significantly increases fuel consumption and can damage the drivetrain. Use two-wheel drive whenever possible on surfaces with adequate traction. This reduces strain on the engine and improves fuel economy.
Pay attention to your driving environment. Avoiding rush hour traffic and planning routes to minimize stop-and-go driving can greatly improve fuel economy. Maintaining a steady speed on the highway and using cruise control can also contribute to better MPG. Consider carpooling or consolidating trips to reduce overall driving miles.