The Nissan Sentra SV is a great, compact car for a single individual or someone with a small family. The SV model starts at $18,550 and it comes with automatic transmission, a rearview camera, bluetooth capabilities, and hands-free texting to name a few standard options. The Sentra SV offers about 29 mpg city and 38 mpg highway. With a low base price and a great fuel economy, it’s clear why the Nissan Sentra SV is a top contender for budget-friendly cars.