SilverIce

"Astral Dreadnought" by Jimmy (Plutonia 2 Map10.)

Valiant MAP07 (The Mancubian Candidate,) where you we're forced to keep the lone mancubus alive until a certain point in the map, or else you got swarmed by a crapton of archviles.

A truck trailer in TNT: Evilution (MAP19: Shipping/Respawning):

Doom: Kitchen Ace (and Taking Names) Doom II: Into Sandy's City TNT: Legion of the Lost

A wrecked truck in UAC_DEAD.WAD: Some giant computers in Mars War:

I have a 2004 Buick Rainier (basically a re-badged Chevy Trailblazer) in forest green. I got it because it's easy for me to get into and out of with my bad knees.