The Pontiac Vibe is a nimble and versatile hatchback that has been updated for 2009, with cleaner lines and a sporty look. The base engine is a 1.8 liter, 132 horsepower 4-cylinder. Or there is an upgraded 2.4 liter 4-cylinder engine that has 152 horsepower. The EPA estimates fuel economy for the Vibe at 26 MPG city and 33 MPG highway.