CoPilot Compare - New car or nearly-new? Compare price savings and features.
Cars.com - Visited by more than 11 million car shoppers each month, Cars.
CARHP - Car buying, simplified
Autotrader - Find used cars for sale at AutoTrader.com. With over 3.
Driv.ly Concierge - The easiest way to buy a car
Skurt - Tap a button, have a rental car delivered.