This new movie called Dragon Wars or 'D-Wars' coming out on the 14th this month.
Here's the link with it in the movie/trailer.
It's at 0:46 seconds ... it goes by quick.

http://youtube.com/watch?v=_uBcIohDjKc

Then the next movie that I totally remember it being on was in 2Fast2Furious at 2:02-2:05 ... heres the link

http://www.youtube.com/watch?v=3n2UIdNVpuk

Then another ona I totally remember. The new guy trying to be the new 'Dwight' the the hit show "The Office", he has a X.

heres the link (scolled down, last sentence before Season 3, or just hold down 'ctrl and f' together then type in "xterra" and hit enter.

http://images.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/en/b/b5/TheOffice_Andy.png&imgrefurl=http://en.wikipedia.org/wiki/Andy_Bernard&h=192&w=192&sz=96&hl=en& start=1&um=1&tbnid=wcEHTEuyE0uddM:&tbnh=103&tbnw=103&prev=/images%3Fq%3DAndy%2BBernard%2BNissan%2BXterra%26svnum%3D10%26um%3D1%26hl%3Den%26rlz%3D1T4GFRC_enUS218US218

These are the only ones I could come up with.. if u guys got more ... plz share ..

Off he top of my head, all I can come up with is AJ's yellow X from The Sopranos.

wooo not a pretty pic ....

All of those nice cars in that movie and you found the X..obsessed much?

Ha .. they just had a Xterra on the show "Thank god your here" ....