I started noticing something recently with my Crossfire in cold weather. If I would get out of my crossfire and go shopping or something for an hour or two and come back to the car, it would still be warm inside. I tested this with 3 or 4 other cars, and none of them stayed as warm as the Crossfire.

Is this just a feature or a smaller car, better insulation, or something else? It's just another thing that makes the Crossfire special or me.