The 2011 Nissan Sentra is part of the sixth generation of the Sentra lineup. It's a front-wheel-drive compact sedan available in five trims: 2.0, 2.0 S, 2.0 SR, 2.0 SL, and the high-performance SE-R and SE-R Spec V. Most Sentra models come with a 2.0-liter four-cylinder engine paired with a continuously variable automatic transmission (CVT), yielding 140 horsepower. The SE-R ups the ante with a 2.5-liter engine and 177 horses, while the SE-R Spec V delivers 200 horsepower and comes with a six-speed manual transmission. Key tech and safety features include Nissan's Intelligent Key system, Bluetooth, an optional navigation system, antilock brakes, stability control, and six airbags. Noteworthy is the excellent fuel economy and trunk space, making the Sentra a suitable choice for daily commuters.