The covers are pretty close. Don't include the tongue in your measurement. You are just covering the box and the bumper if you have room. ADCO just released a new cover that is a top only (no sides) Great if you park under trees.
2015 Freedom Express 248RBS
TV 2015 Silverado HD2500 Duramax
TST Tire Monitors
Honda 2000I + Companion
2 65W solar panels