Common rail on the trail

Common rail on the trail

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Photos by -Autonet.ca
Published: 22 09 2007

Jeep prides itself on making vehicles that can handle the most rugged trails this world can throw at them. And it’s true that some Jeeps can go where some mountain goats fear to tread. But the company also builds comfortable on-road vehicles that put some luxury sedans to shame. And in the case of the Grand Cherokee, it can wrap all those things into one tight little (well, medium-sized) package.

Introduced in 1992 (by then Chrysler president Robert Lutz’s driving one through a rigged plate-glass window at the 1992 North American International Auto Show in Detroit), Grand Cherokee had the mandate to show that Jeep could make a sport utility vehicle comfortable enough to drive every day, while still maintaining off-road prowess worthy of the Jeep name.

Over the years, though, Grand Cherokees became increasingly comfortable, sporty and/or luxurious (with powerful V8s, lower body cladding and high-tech systems) to the point that many probably don’t even know how capable they are.

And that’s what led to the introduction of the Trail Rated badge, bestowed by the Nevada Automotive Test Center (NATC) as a recognition of a Jeep’s off-roadability - a standard of traction, ground clearance, offroad manoeuvrability and articulation, and water fording. A badge may not convince suburban dudes to get too far off the pavement, but if you want to try it out and then complain it was undeserving of the badge ...

In the case of our test Grand Cherokee (powered by a 3.0-litre common-rail diesel engine), I guess this badge might also represent that it could run out of fuel farther away from the pavement, seeing as we managed an average of 11.5 litres per 100 km – which isn’t too shabby for a mid-sized SUV weighing in excess of two tonnes

Thanks to Mercedes-Benz, Jeep becomes the first mid-sized North American SUV to feature a diesel engine, though it doesn’t quite meet BlueTec requirements (which means it meets emissions regulations in all 50 United States) as do most Mercedes diesel engines.

As with any diesel, power off the line leaves a lot to be desired, especially on initially setting off in the morning (also when the engine was at its most clattery), but you don’t really want to be going full-throttle at that time. Once you’re moving, though, a prod of the right foot provides power aplenty pretty quickly. There’s probably some decent low-end grunt for towing, though we didn’t hook it up to haul anything.

The inside of our Limited model was pleasantly plush, with a healthy mix of leather and wood and an acceptable degree of gadgetry to keep the driver on track (navigation system, as well as a rear back-up camera). And the array is straightforward, so there’s no need to guess at their functions, as there is in some European models.

The rear 60/40 split bench features three flat seating positions, though you lose the cushion-mounted drawer-style cupholders if you want to put somebody in the middle. Knee room is tight back there, so for taller passengers you may need to claim some front seat legroom. Folding down either rear bench seatback (or both) releases the head restraints so you don’t have to remove them and then worry about what to do with them.

With the rear seat down, there is a nearly-flat carpeted cargo area from bumper level to the back of the front seats. The cargo floor features a reversible panel so you can switch from flat carpet to hard plastic with a little restraining wall ... a little too small for a wading pool, but it will hold your mucky hiking boots or sweaty running clothes without need for an upholstery-cleanse afterwards.

Drivability is reasonable for an SUV. There is the traditional Jeep pitch during around-town driving, but it’s not as bad as you’ll find in blatant off-roaders like the Jeep Wrangler or Toyota FJ Cruiser. Steering is a little on the loose side, but that comes in handy when you’re navigating at low speeds in tight confines like parking lots or gorge trails.

Overall, the Jeep Grand Cherokee diesel provides an economical road-worthy vehicle for reliable year-round transportation. And on the odd occasion where the road runs out and you can’t pull a U-turn, it’s good to know it will handle the trail ahead ... wherever or how far it may go.

Fact File
Jeep Grand Cherokee Limited
Price as tested (before tax): $57,490
Configuration: front engine/4-wheel drive
Engine/Transmission: 3.0L turbodiesel V6/5-speed automatic with sequential shift
Horsepower: 215 @ 3,800 rpm
Torque: 376 lb.-ft. @ 1,600-2,800 rpm
Options: Navigation system with back-up camera ($2,740); diesel engine ($2,400); Quadra-Drive 4-wheel drive system ($495); 17-in. chromed aluminum wheels ($480); UConnect hands-free communication ($295), satellite radio ($225).
Freight: $1,300
Fuel required: 80 litres, ultra diesel
EnerGuide fuel ratings (L/100 km): 12.0 city, 9.0 hwy.
Observed fuel economy: 11.5 L/100 km (over 626 km, 68% city)
Warranty: Basic: 3 years/60,000 km; powertrain: 5 years/100,000 km

MSRP range: $41,095 - $56,295
Engines available: 3.0L turbodiesel V6 (215 hp/376 lb.-ft.) 3.7L V6 (210/235), 4.7L V8 (235/305), 5.7L V8 (330/375), 6.1L V8 (420/420)
Transmissions available: 5-speed auto, 5-speed auto with sequential shift

Competition: Ford Explorer; Hummer H3; Mercedes ML320 CDI; Volkswagen Touareg
Strengths: Economical driving; versatile cargo room; go-anywhere ability
Weaknesses: Sluggish at cold start-up; tight rear legroom; ho-hum looks

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