Quads , Dirt bikes , Street bikes

[offroad1911]

Here's something to fit in the bed or on your trailer.Powersportcollector.com they are 1/12 but I dont think they would look bad.33825
http://powersportcollector.com/atvlist.html

[Benny]

That ATV would look pretty sick in a scale military Chevy C20 with camo paint.