The Basics: Slotting just above the very cheap, frugal Versa, in both size and price, the 2011 Nissan Sentra appeals to small families and commuters who want an impressive feature set without going to a mid-size car like the Altima. Many of the Sentra's cues, like the flared-outward headlamps and prominent flanks at the top of the rear fenders...

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