I would not tow with mine, but my concern would be the low compression ratio of the engine with the low rpm to slowly get going. Speed up for the hills to make it easier to get up them and take your time. Just don't overload the trailer.

How about renting a car or truck instead to pull the trailer? I would much rather break another car than my own.

Good luck

edit: hook it up and drive a few miles and make the determination with the empty trailer