20 MPG combined isn’t a great number, but it’s a reasonable expectation for the 2015 Jeep Grand Cherokee 2WD with the 3.6L V6. This isn’t a hyper-efficient crossover designed primarily for maximizing fuel savings; it’s a mid-size SUV with a proven track record of on- and off-road capability, and its fuel economy reflects that balance. Buyers in this segment often prioritize space, comfort, and go-anywhere potential, and they’re willing to accept moderate fuel consumption to get it.

City and highway performance

The EPA estimates of 17 MPG in the city and 25 MPG on the highway tell a more complete story. That 17 MPG city rating is likely the number that owners notice most frequently, especially if their daily commute involves stop-and-go traffic. The 25 MPG highway figure offers a glimmer of hope on longer road trips. This split reflects the nature of the Grand Cherokee itself, it’s perfectly capable of handling urban errands, but it truly shines when given the opportunity to stretch its legs on the open road. The 8-speed automatic transmission helps to optimize fuel efficiency at higher speeds, keeping the engine in its sweet spot for power and economy.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,200 for the 2015 Jeep Grand Cherokee 2WD V6. This figure is based on driving 15,000 miles per year and using national average fuel prices. Keep in mind that this is an estimate, and your actual fuel costs will vary depending on your driving habits, the type of roads you typically drive on, and the price of gasoline in your location. If you drive significantly more than 15,000 miles per year, or if fuel prices in your area are higher than the national average, your annual fuel costs will likely be higher. This figure provides a standardized way to compare the potential fuel expenses of this vehicle against other SUVs.

Real-world expectations

While the EPA estimates are a good starting point, real-world fuel economy often differs. Some 2015 Grand Cherokee 2WD V6 drivers report numbers that are close to the EPA estimates, but some experience slightly lower or higher figures. Factors such as aggressive driving, carrying heavy loads, and neglecting routine maintenance can all negatively impact fuel economy. Driving conservatively, keeping tires properly inflated, and performing regular tune-ups can help to improve fuel efficiency and possibly exceed the EPA estimates. You should also check out our all Jeep fuel economy data to see how this model compares to other Jeep vehicles.

How it compares

The 20 MPG combined rating of the 2015 Jeep Grand Cherokee 2WD V6 places it in the middle of the pack compared to other mid-size SUVs. For example, the similarly-sized Toyota 4Runner from that year, while mechanically reliable, achieves a significantly lower 19 MPG combined with its V6 engine. A 2015 Nissan Murano, focused more on on-road comfort and efficiency, achieves a more palatable 24 MPG combined. Even within the Jeep family, the 2015 Jeep Cherokee with its 2.4L engine offers better fuel economy. This comparison highlights the trade-off between capability and efficiency. GRAND MPG across all years show a similar trend.

Tips to maximize efficiency

Take advantage of the Grand Cherokee’s 8-speed automatic transmission. Drive smoothly and avoid aggressive acceleration, allowing the transmission to upshift early and keep the engine in its most efficient range. The transmission is designed to select the optimal gear for fuel economy, so trust its programming and avoid unnecessary downshifts.

Pay attention to your tire pressure. Underinflated tires create more rolling resistance, which can significantly reduce fuel economy. Check your tire pressure regularly, ideally every week, and inflate your tires to the recommended pressure listed on the sticker inside the driver’s side door. Use a reliable tire pressure gauge for accuracy.

Avoid unnecessary idling. Idling consumes fuel without moving the vehicle. If you’re going to be stopped for more than a minute or two, turn off the engine. Many modern vehicles, including some Grand Cherokees, have automatic start-stop systems to help reduce idling, but if your model doesn’t have this feature, be proactive about turning off the engine yourself.

Minimize aerodynamic drag. Remove any roof racks or cargo carriers when they’re not in use. These accessories increase wind resistance, which can significantly reduce fuel economy, especially at higher speeds. Keeping the vehicle clean and waxed can also help to reduce drag, although the effect is less pronounced.

Consider using cruise control on the highway. This feature helps to maintain a consistent speed, which can improve fuel economy compared to fluctuating speed. Be mindful of terrain; cruise control may not be as effective when climbing steep hills, as it may cause the transmission to downshift frequently.