So you've got 35K to drop on that thing? Or at LEAST 20K...because they won't give you probably more than 13-15K trade-in for your GXP and thats being nice. Sh1t...even a 20K loan for 5 years is over $300 a month. What are you paying on the GXP? Did you buy it brand new? Even then I don't think they got above 30K. And just to crunch some quick numbers for you...a 35K loan even for 5 years is nearly $600 a month...you must make bank.
GXP's were 6-spd's...not auto's.