2013年1月14日 星期一

Jeep Grand Cherokee gets surprisingly comprehensive update

Traditionally, automotive journalists can be heard muttering something to the effect of "Geeze, it's about time!" whenever a vehicle's midcycle refresh is revealed. As we routinely see and drive new models many months before the public even claps eyes on them in showrooms – and then go on to tweeze apart their minutia in our daily writings – perhaps some impatience is to be expected. With so much exposure to a given vehicle, it's fair to say we tire of most cars and trucks far more quickly than the average consumer.

Which is why we're pleased to say "Oh, is it time for that already?" when it comes to the 2014 Jeep Grand Cherokee. The current WK2 Grand Cherokee hit the market in 2011 and climbed its way into our hearts with its rugged good looks, go-anywhere capability and surprising refinement. We're not yet tired of its appearance or performance, but even so, we're very glad to see Chrysler giving its flagship Jeep some attention, including a much-anticipated diesel powertrain option and some other economy-minded measures.

The changes for 2014 start with a fresh look, including one of two different slimmer headlamp treatments (upper-rung models are treated to bi-xenon units with LED daytime running lamps, and Summit models feature dynamic corner lighting), along with reworked grilles and repositioned foglamps in new lower fascias. Redesigned taillamps incorporating yet more LEDs take up residence out back and the rear liftgate has received a once-over, too. We've seen the vehicles in the metal already, and the alterations are handsome, if not subtle touches from the "If It Ain't Broke" school of design.

More impressive is the interior rework, which includes a new three-spoke steering wheel with standard paddle shifters, a seven-inch configurable screen in the gauge cluster, reworked center stack with Chrysler's award-winning 8.4-inch UConnect infotainment system, and new electronic gearshift selector. In addition, there's a brace of optional active safety features including adaptive cruise control, front park assist and front collision alert. What we're most impressed with is designers' efforts to further differentiate trim levels on the 2014 Grand Cherokee.

Regardless of whether the buyer chooses the V6 diesel, 3.6-liter Pentastar gasoline-fed V6 or 5.7-liter V8, there's a new eight-speed transmission to help improve fuel economy and smoothness. Chrysler says the V8, which is also fitted with cylinder deactivation, will see a five-percent improvement in fuel economy, ringing up at 15/21 on 4x2 models and 14/21 on 4x4 examples. There's a new Eco Mode button to maximize economy, but pushing it will only deactivate the system, which governs items like shift points, cylinder deactivation and ride height, depending on model, as it defaults to active whenever the vehicle is turned on.

Then, of course, there's the road-oriented Jeep Grand Cherokee SRT performance model, which also receives the lion's share of the changes listed above. Visually, the SRT will pack a revamped grille, LED headlamps shared with higher-end Grand Cherokee models and a new rear spoiler. Also of note is the availability of a new set of more traditional five-spoke alloys (SRT boss Ralph Gilles acknowledged to us that the spidery 10-spoke wheels that the SRT arrived with in 2012 have proven to be somewhat controversial). The new overall look is a subtle improvement, but we wish designers would have found a way to better integrate (or remove) the LED daytime running lamp strip in the bumper, as it looks tacked on – particularly now that 2014's headlamps incorporate sleek new light pipes.

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