Rear axle ratios and impact on towing
Suppose you have a choice between two axle ratios, say they are a 3.09 and a 3.45. And let's say the vehicle has an 8 speed transmission, so there's plenty of gear flexibility. Ok, so there's roughl...
Forum Discussion
The 8-spd trans is really interesting. The first gear is very short for great acceleration from a start. However, I do not like turning 1500rpm at 70mph in top gear on the highway in a naturally aspirated gas engine. There isn't enough power to hold anything but flat ground. I do not know what gear choices are available with the Grand Cherokee, but I recommend driving both on the highway to compare.
