I am surprised that you found the Nissan Versa with standard transmission as not towable. We had a 2013 standard Versa that was very towable, and said so in our manual. I was under the impression that all standard trans. Nissan's were towable. Our manual said when towing, make sure the transmission is in neutral, and stop to idle the engine for 2 minutes every 500 miles.
Now we are actually towing a standard transmission Mini Cooper Roadster with manual transmission. Mini does not recommend towing that, but Blue Ox has baseplates for it, and an number of people are towing them with no problems. (we just purchased ours and so have only towed it for about 250 miles so far)
As far as towing FWD cars, there are a number of cars that are definitely towable, including a number of Fords and GM products.
Ed Headington