Many different vehicles can be flat towed - others on a dolly...
Here is a source for annual guides of what can be flat towed from Motorhome magazine - links for 2000-2017 editions. Select the one for the model year vehicle you want to tow...
Downloadable Dinghy Guides | MotorHome Magazine
FMCA has a similar resource - you need to register on their site to access.
There are definately changes in the list from year to year... CVT (constand velocity transmissions) have made some traditionally flat towable vehicles not towable, etc...
I tow a 2010 Wrangler FWD 2 door soft top behind a Hurricane 32A.