Oversized double-DIN. Technically double ISO-DIN, since it has the screws on the sides. You'll probably want to get the Metra kit if only to have the 'surround' to cover up the gaps on the sides from a standard DIN or Double-DIN unit.
2003 Vibe GT Lava"He inched his way up the corridor as if he would rather be yarding his way down it.""For a moment, nothing happened. Then, after a second or so, nothing continued to happen." - Douglas Adams...we all miss you