2012 Jeep Grand Cherokee 4WD 4dr Laredo Specs #16 out of 23 in 2012 Affordable Midsize SUVs. Review; Photos; Remote Engine Start (Optional) Adjustable Steering Wheel: The 2023 Jeep Grand Cherokee’s standard 3.6-liter V6 engine should be familiar to Jeep enthusiasts. It’s been a staple of the brand’s SUV lineup for over a decade, anchoring models like the Jeep Wrangler and Jeep Gladiator. According to Edmunds, the 3.6-liter V6 makes a decent 293 horsepower and 260 pound-feet of torque. swojno Discussion starter. 3 posts · Joined 2015. #1 · Apr 17, 2016. Hello, About 2 weeks ago my Jeep Grand Cherokee Overland 5.7L Hemi started making this weird nose. It sounds like a grinding noise every other second, it gets louder then goes away then loud then away. I have a few second video where you can hear what I'm talking about. jtRqgbd.