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post #1 of 2 (permalink) Old 01-21-2019, 11:43 AM Thread Starter
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Ultimate Daily Driver

How the Jeep Grand Cherokee Trackhawk Became the Ultimate Daily Driver





Driving the Jeep Grand Cherokee Trackhawk allows you to take a deep dive into the uniquely creative minds of the Street Racing and Technology (SRT) team at Fiat Chrysler Automobiles (FCA).

The recipe for this car sounds kind of simple: Take the 707-horsepower supercharged V8 from the Dodge Challenger and Charger Hellcat, then put it into the top-of-the-line Jeep Grand Cherokee and cook those tires.

But then you stop to think about it… Why would anyone actually do that? Isn’t that just crazy?
Power to the People



“Well, SRT always works to bring high-end performance to the average customer,” says Joe Kubina, the Chief Engineer for the Grand Cherokee Trackhawk and SRT brand. This is true — there has been an SRT version of the Grand Cherokee since 2006. “In 2006 to 2010, the 420-horsepower Grand Cherokee SRT could run with the Porsche Cayenne S,” Kubina says, suggesting that the Jeep SRTs have always been at the level of other high-end and expensive SUVs in terms of performance.

But the team at SRT noticed that premium brands kept upping the horsepower number of their SUVs, in addition to the pricetags. “Mercedes-AMG, BMW M, and Land Rover SVO, those vehicles aren’t attainable to the regular people,” Kubina said. “We knew we could do the Grand Cherokee with the Hellcat engine and beat those with price and performance while having a totally different flavor than those vehicles.”
The Experience



The flavor of the Grand Cherokee Trackhawk is intense, to say the least. Poke the start button and the Trackhawk roars to life. There’s no way to be subtle about it, even if the exterior of the vehicle doesn’t seem as aggressive as what’s under the hood.

But from the driver’s seat, there’s no denying the fact that the car is something special. It growls and lurches with every little bit of pedal movement. That’s expected when you’re in an exotic or lightweight sporty two-door, but when you’re in a comfortable, large SUV? It’s a drastically different experience.

While the Grand Cherokee is comfortable and easy to drive at slow speeds, it becomes frustrating when traffic closes in around you and limits how spirited your drive will be. When you escape to a side road, you have to deal with curves and imperfect roads, which isn’t the Trackhawk’s strongest suit, but it copes. The sporty suspension is stiff and there’s no avoiding the weight of the vehicle when trying to push it through a sequence of turns.

But it becomes intoxicating to feel the pit of your stomach climb into your throat when you punch the throttle. It’s addicting to watch the numbers climb on the tach and speedometer. The noises are a fanfare, urging you to go on. You end up looking way off into the distance, and in the millisecond it takes to ensure that you’re not breaking the speed limit, you’re already where you were looking at previously. It’s like a magic trick.
High-Horsepower History

This isn’t the first truck that SRT has worked its magic on. From 2004 to 2006, they offered the SRT-10, a Ram 1500 with an 8.3-liter V10 engine. This is the same engine that was offered in the Dodge Viper and it made 500 hp and 525 lb-ft of torque. It could reach highway speeds in under 5 seconds and was designed for the sole purpose of shaming the Ford SVT Lightning. “It was a different approach back then,” said Kubina. “We just wanted to beat the Ford Lightning, and we totally did, thanks to that V10 engine and transmission. However, the sales figures didn’t support us.”

Fewer than 10,000 Ram SRT-10s were made, and the SRT folks considered it a special hot rod truck. “The Grand Cherokee was different because we had that supercharged V8 in a number of cars,” he said. In comparison, the V10 in the SRT-10 was found in one car, the Viper, which was a low production, expensive product, while the 6.2-liter Hellcat V8 is a variant of the Hemi engine found in many other FCA vehicles. You can find the 707-horsepower version of the engine in Dodge’s mass market Charger sedan, as well as the large Challenger coupe, this Grand Cherokee Trackhawk, and it’s also available as a crate engine for car customizer and racers. Simply put, it’s a more accessible engine.

Rick

Nitro Year: 2007 (1 of 91,815 sold in 07)
Nitro Model: R/T 4X4 Stone White
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post #2 of 2 (permalink) Old 01-21-2019, 11:56 AM Thread Starter
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But that didnít mean the Trackhawk was just a plug-and-play job. There was more involved than just swapping the engine and calling it a day, the SRT team explained. ďOne of the toughest things that we had to manage was that we had to introduce a car at a new price point,Ē the chief engineer said. The Trackhawk is available for just under $90,000, making it the most expensive product ever offered by the brand. ďThatís new ground for us in the Jeep brand. We needed to blend the performance of the vehicle with the refinement that a customer spending that much money would expect, while also providing the other qualities that a Jeep-branded vehicle of that segment would have.Ē They referenced the muting of the supercharger noises and the usage of more high-end materials in the cabin as a result of this challenge.
It Also Had to Be Tough



Jeep customers also expect a certain kind of ruggedness and durability out of their vehicles, and if thereís something high-horsepower cars arenít always known for, itís the day-to-day usability that a regular, more mainstream car has. Extremely high-performance cars have engines that run very hot, and when you add that factor to the amount of stress all that power puts on all the components, it can mean that certain wear and tear items will need maintenance and replacing sooner.

The team behind the Grand Cherokee Trackhawk suggest that the vehicle could easily withstand daily driving duties and work in inclement weather conditions, too. Thatís because the car they started with, the Grand Cherokee, already had to deal with the stress of getting trail rated, tow-capable, and off-road ready. The SRT team has to do their own performance testing too with a lot of cycles testing the heating and cooling of the various high-performance components and the impact all that power has on them. They suggest that the Grand Cherokee Trackhawk is validated twice and will not be a diva-like exotic or require special treatment. Like any other car, it goes 10,000 miles between oil changes and comes with the usual FCA warranty.
Starts with the Fans



That means this is a car that bucks many trends. Itís a high-performance SUV that can outrun dedicated sports cars, while also offering tons of space, comfort, and usability. Itís the ultimate daily driver. But the team at SRT made sure to tell me one more important thing: it starts with the customers. People asked about it first. The fans wanted to see something from FCA that could run with the very best across several segments. And after researching the business case, thatís exactly what Jeep made.

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Rick

Nitro Year: 2007 (1 of 91,815 sold in 07)
Nitro Model: R/T 4X4 Stone White
CAT-BACK Exhaust, CAI, Projector Head Lamps
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