21 MPG combined isn’t going to win any fuel economy awards, but for the 2017 Jeep Grand Cherokee 4WD with the 3.6L V6, it’s an accepted compromise. This isn’t a vehicle bought for hybrid-rivalling efficiency, it’s bought for its rugged appeal, its spaciousness, its comfortable ride, and its off-road capability. The Grand Cherokee buyer likely prioritizes features and versatility over squeezing every last mile from a gallon of gasoline. They want the confidence to tackle snowy roads or tow a small trailer, and they’re willing to pay the price at the pump.

City and highway performance

The EPA estimates for the 2017 Grand Cherokee 4WD 3.6L break down to 18 MPG in the city and 25 MPG on the highway. The city number reflects the stop-and-go traffic and lower average speeds that make fuel economy suffer. The Grand Cherokee’s weight and four-wheel-drive system contribute to this. On the open road, the 25 MPG estimate is more achievable. The eight-speed automatic transmission helps keep the engine within its optimal rpm range at higher speeds, maximizing efficiency. Even on the highway, aggressive driving or headwinds can quickly diminish that figure.

Annual fuel cost

The EPA estimates that the annual fuel cost for this particular Grand Cherokee configuration is $2,100. This figure is based on driving 15,000 miles per year and using national average fuel prices. Your actual fuel costs will vary depending on your driving habits, the type of driving you do (city vs. highway), and the price of gasoline in your area. If you tend to drive more aggressively or spend most of your time stuck in traffic, expect to spend considerably more. If gas prices rise significantly, that $2,100 estimate will prove to be optimistic.

Real-world expectations

While the EPA provides a standardized estimate, real-world MPG often differs. Grand Cherokee owners often report fuel economy that falls slightly below the EPA numbers, particularly in combined driving. Expect anywhere from 16-20 MPG in mixed driving conditions. Highway numbers can be closer to the EPA estimate, especially during longer trips, but maintaining a constant speed and avoiding rapid acceleration are key. The vehicle’s onboard computer provides a running average, but it’s important to track your own fuel consumption over time to get a more accurate picture of your Grand Cherokee’s specific efficiency.

How it compares

Compared to some of its competitors, the 2017 Grand Cherokee 4WD 3.6L lands in the middle of the pack in terms of fuel economy. A Toyota 4Runner 4WD, for instance, is rated at just 17 MPG combined, making the Grand Cherokee a comparatively better choice for those concerned with fuel costs. On the other hand, a Nissan Murano equipped with all-wheel drive achieves around 24 MPG combined, offering a significant advantage. Even a similarly equipped Ford Explorer often sees slightly better fuel economy than the Grand Cherokee, hovering around 22 MPG combined. For a buyer considering all Jeep fuel economy data, it’s vital to compare against other similarly sized SUVs before making a choice. Given there are many years of GRAND MPG across all years, seeing the trends might help you choose the correct year of Grand Cherokee.

Tips to maximize efficiency

Avoid aggressive acceleration and braking. This is particularly important in a heavier vehicle like the Grand Cherokee. Smooth, gradual acceleration allows the engine to operate more efficiently, and gentle braking reduces wasted energy. Anticipate traffic flow to minimize unnecessary stops and starts. Use cruise control on the highway to maintain a consistent speed and reduce fuel-wasting speed fluctuations.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, which can significantly reduce fuel economy. Check your tires regularly and inflate them to the recommended pressure listed on the driver’s side door jamb. This is a simple maintenance task that can have a noticeable impact on your gas mileage.

Reduce unnecessary weight. Carrying around extra cargo in your Grand Cherokee adds weight, which requires the engine to work harder and consume more fuel. Remove any items you don’t need to carry on a regular basis, such as sporting equipment or tools.

Consider using a fuel additive designed to clean fuel injectors. Over time, fuel injectors can become clogged with deposits, which can affect fuel economy. Periodically using a fuel additive can help keep your injectors clean and functioning optimally. This is particularly beneficial for older vehicles or those that use lower-quality fuel.

Minimize idling. Letting your Grand Cherokee idle for extended periods consumes fuel without covering any distance. If you’re going to be stopped for more than a minute or two, turn off the engine. This simple step can save a surprising amount of fuel over time, especially in city driving.