Fuel (gasoline or diesel) can be a major expense, but exact costs depend on the type of RV. 1  Lightweight trailers might slightly increase the fuel costs for the tow vehicle, while Class A motorhomes average 8-10 miles per gallon, with a typical Class A fuel tank holding 100-150 gallons.
The definition of familiar is something or someone who is friendly to you or known to you because of past history or experience.1  An example of familiar is a description for an old friend. 2  An example of familiar is a description for your home and the path you take to get there.INK / CITE ADD TO WORD LIST. adjective. The definition of familiar is something or someone who is friendly to you or known to you because of past history or experience. 1  An example of familiar is a description for an old friend.
The word familiar is a noun; a word for a close friend or associate or an attendant spirit, often taking animal form. The noun form for the adjective familiar is familiarity â¦.