Yes, VEHICLE is a Scrabble word!

Letter values in Scrabble US: V 4, E 1, H 4, I 1, C 3, L 1, E 1.

Is it a valid word?

VEHICLE is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a conveyance that transports people or objects
a medium for the expression or achievement of something
any substance that facilitates the use of a drug or pigment or other material that is mixed with it
any inanimate object (as a towel or money or clothing or dishes or books or toys etc.) that can transmit infectious agents from one person to another