Economically, diesel simply does not make sense. In the Grand Cherokee, you’re in the hole for almost $20,000 before you’ve even filled the tank the first time. Then, every tank of fuel is going to cost more. Compared with the 5.7-liter V-8, the diesel gets 8.2 miles per gallon better. Thankfully, the refreshed 2014 Grand Cherokee now offers an optional 3.0-liter turbodiesel V6. Built in Italy by VM Motori, the diesel is rated at 21 mpg city, 28 mpg highway, and 24 mpg combined in a four-wheel drive Grand Cherokee. It's Jeep's attempt to dramatically improve fuel economy without sacrificing performance. Our Score: 4.0/5. The diesel powered Grand Cherokee is most suited for long trips or if you need more pulling power. The loads of torque it packs is an even better match for the new 8-speed automatic transmission than the petrol version, giving respectable performance both on and off road. Comprehensively equipped and sharply priced, it’s a Save up to $5,543 on one of 28,594 used Jeep Grand Cherokees near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 2014 Jeep Grand Cherokee. Laredo 2014 Jeep Grand Cherokee EcoDiesel Review. The Grand Cherokee has many flavors, from a vanilla V6 up to a meaty 6.3-liter V8. For 2014 a diesel engine is joining the list adding a fuel-efficient Jeep Grand Cherokee 2014 Towing Capacity. Browse all of our 2014 Jeep Grand Cherokee reviews & videos by top motoring journalists. Find out how it drives and what features set the 2014 Jeep Grand Cherokee apart from its main rivals. Our comprehensive reviews include detailed ratings on Price and Features, Design, Practicality, Engine, Fuel The Grand Cherokee is available with a 3.0-liter diesel V6 that produces 240 horsepower. A 5.7-liter V8 that makes 360 horsepower is also optional. An eight-speed automatic transmission is standard on all models. With the base engine, the 2015 Grand Cherokee returns an EPA-estimated 17/25 mpg city/highway, which is a bit low for the class. The Laredo can also be had in 4x4 form, priced at $46,000 (plus on-roads) in petrol form and $51,000 for the diesel. Limited and Overland models sit further up in the range, and the top-shelf SRT The 2016 Jeep Grand Cherokee comes standard with a 3.6-liter V6 engine that produces 295 horsepower. A 360-horsepower, 5.7-liter V8 is optional. An eight-speed automatic transmission is standard in both models. The base 2016 Grand Cherokee returns an EPA-estimated 19/26 mpg city/highway, which is good for the class. 2019 Grand Cherokee SRT: The SRT is the "entry-level" performance Grand Cherokee, featuring a 6.4-liter Hemi V-8 engine, 20-inch five-spoke aluminum wheels, perforated leather/suede seats furfPvA.