Lifting wise, it would be alot easier on your back, if you put it into the trunk, instead of trying to slide it into the rear (seat).
I would probably put down a sheet of plywood, to protect the trunk floor from becoming disfigured.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D