The fuel tank holds 24.6 US gallons. You do the math.
6qts will fill it up.
Fill it with what? Oil? Fuel? Coolant? ATF? I'm not trying to be too much of a smartass, but your question is kinda broad.
It most likely will, grand Cherokees didn't change much those years. As long as they are both grand Cherokees, and as long as one isn't a Cherokee and the other is a grand Cherokee.
A 2009 Jeep Grand Cherokee has a starting MSRP of $30,150 - $44,545, depending on options and location. Grand cherokee is the best jeep i ever drove.
The price of the Jeep Grand Cherokee depends on the year it was made, whether it is new or used, and if it it used, the condition of it. A new 2013 Jeep Grand Cherokee costs around $26000.
Labor cost lifter for jeep cherokee
The 2012 Jeep Grand-Cherokee's engine produces 260 ft-lbs. @ 4800 rpm.
The 2009 Jeep Grand-Cherokee's engine produces 235 ft-lbs. @ 4000 rpm.
The 2005 Jeep Grand-Cherokee's engine produces 235 ft-lbs. @ 4000 rpm.
The 2001 Jeep Grand-Cherokee's engine produces 230 ft-lbs. @ 3000 rpm.
The 2002 Jeep Grand-Cherokee's engine produces 230 ft-lbs. @ 3000 rpm.