The mix of 32.5-percent high-purity urea and 67.5-percent deionized water runs about six to eight bucks per gallon.īut no one ever said being fuel conscious would be cheap.
A full load of urea should last about 10,000 miles this aligns with recommended service intervals so the dealer can top it up. It is replenished via a filler located behind the fuel door and next to the filler for the diesel fuel. Urea for the diesel is carried in an eight-gallon tank. For most buyers, choosing between the torquier engines will be a flip of the coin, although the increased range and less-frequent fill-ups of the diesel might prove irresistible, especially for those who live in snowier climes. As nice as the Pentastar V-6 can be, the diesel and the V-8 have far more authority off the line (weak launch skills were among the few complaints lodged against our long-term V-6). As for the diesel, the transition for anyone trading in a Hemi model would be seamless. The 2014 Grand Cherokee drives pretty much the same as did the prerefresh model, which means a comfy ride, a serene cabin, a generous dollop of body roll, a stiff platform, and a refined demeanor. Mind you, it peaks at 2000 rpm and the redline is 4800, but the high number of forward gears means you’ll almost never find yourself wanting for more muscle. And the torque is great fun it provides instant punch for day-to-day dicing in traffic. Although the EcoDiesel emits the typical compression-ignition clatter, it’s no louder or intrusive than is the V-8, even from the outside. The range is said to be more than 730 miles.Īt idle, this Grand Cherokee further puts to rest old stereotypes about diesel engines. Jeep pegs the rear-drive EcoDiesel at 22 mpg city/30 highway opting for four driven wheels sacrifices 1 mpg in the city and 2 mpg on the highway.
Of perhaps equal importance, of course, are fuel-economy ratings. The grunt is enough to imbue the diesel Grand Cherokee with the same towing capacities-7400 pounds with rear-wheel drive, 7200 with four-wheel drive-as those of the 5.7-liter V-8 model. Output ratings have the sort of relationship typical of diesels: decent horsepower at 240 and impressive torque at 420 lb-ft.
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