Development. The Grand Cherokee’s origins date back to when American Motors Corporation AMC was designing a successor to the smaller Jeep Cherokee XJ . Three outside non AMC designersLarry Shinoda, Alain Clenet, and Giorgetto Giugiarowere also under contract with AMC to create and build a clay model of the Cherokee XJ replacement, then known as the “XJC” project.. Alternatively, Jeep Grand Cherokee will be powered by . liter of supercharged V engine where it will generate up to BHP as well as pounds feet of torque. So, it may be considered as one of the quickest and most powerful SUVs in the future. Jeep Grand Cherokee Release Date and Price.Jeep Grand Cherokee Limited Concept, Release Date, Redesign. as well as the clutch system because the digitally operated limited slide differential to operate a vehicle the rear rims..What changes will make the Jeep Grand Cherokee different? Likely little of consequence as this midsize crossover SUV awaits a ground up redesign for model year . Jeep’s flagship SUV will return for ‘ as a five seater with an unusually broad model bandwidth tame six cylinder versions .