I just went out to measure:
Width is about 76", mirror to mirror. Was tought to do by myself so I went across the trunk lid and I have the body side moulding which sticks out wider than the mirrors and it was about 76" laying the tape measure across the trunk lid.
Length like 71bigblock said is 16 feet, provided you don't have driving lights/trailer hitch/etc. You bumperttes may stick you out a couple more inches.
Hope this helps.
Might be good to wait and get a 2nd opinion. I used a "Made in China" tape measure!