Changes for the 2015 Jeep Grand Cherokee:
Jeep makes few updates to the 2015 Grand Cherokee, and they’re restricted to the top-of-the-line Summit and SRT versions of the venerable SUV.
Summit models add acoustic laminated windshield and side window glass to quiet the cabin, and also gain Active Noise Cancellation technology to further quell unwanted aural annoyances. Additionally, the Summit gets new illuminated doorsill trim and a Berber-style cargo mat, and is offered with a new Argentina Tan interior color. A Summit California appearance package adds a mix of body-color and Platinum Chrome trim to the exterior, along with Satin Carbon-finish 20-inch aluminum wheels.
The high-performance Grand Cherokee SRT gets a slight bump in horsepower and torque this year, to 475 hp and 470 lb.-ft., respectively. Active Noise Cancelation is added to this version, too, and the SRT is offered as a new Red Vapor Special Edition model.
The 2015 Jeep Grand Cherokee is available in base Laredo, leather-lined Limited, upscale Overland, luxurious Summit, and performance-tuned SRT trim levels, each featuring a unique look to set it apart.
Engines and Transmissions:
There are four different engines available for the 2015 Grand Cherokee. A 290-horsepower, 3.6-liter V-6 is standard in all but the SRT model, and buyers can upgrade to a 360-horsepower, 5.7-liter V-8 with fuel-saving cylinder deactivation technology or a 240-horsepower, 3.0-liter turbo-diesel V-6 that delivers an impressive 420 lb.-ft. of torque. A 475-horsepower, 6.4-liter V-8 engine is standard in the Grand Cherokee SRT.
All four engines are paired with an 8-speed automatic transmission that includes paddle shifters. Rear-wheel drive is standard for all models except the SRT, which is equipped with a special 4-wheel-drive system that biases power delivery to the rear wheels.
Other Grand Cherokees can be fitted with one of three 4WD systems. Quadra-Trac I is fully automatic, Quadra-Trac II offers a low-range gearing plus Selec-Terrain technology, and Quadra-Drive delivers all of the engine’s power to just one wheel when necessary.
Fuel Economy Ratings:
Stick with the Grand Cherokee’s standard V-6 engine and you can expect to get 20 mpg in combined driving. Opt for the V-8, and that rating drops to 17 mpg. The so-called EcoDiesel engine returns 25. All three of these numbers will fall by one digit when 4WD is added to the equation.
Wondering what the high-performance Grand Cherokee SRT gets? How does 15 mpg sound?
The NHTSA gives the Grand Cherokee 4WD a better crash-test rating than the Grand Cherokee 2WD, only because the latter proves less stable in a potential rollover situation. The 4WD model gets a 5-star overall rating, while the 2WD model earns a 4-star rating due to its 3-star rollover resistance score.
In tests conducted by the Insurance Institute for Highway Safety (IIHS), the Grand Cherokee earns the top rating of “Good” in all assessments except for the small overlap frontal-impact test, in which the SUV receives a “Marginal” rating.
Jeep offers an impressive array of mechanical, convenience, safety, and infotainment technologies for the 2015 Grand Cherokee.
Written by Christian Wardlaw
September 17, 2014
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