The 2021 Nissan Sentra SV is praised for its stylish design, comfortable ride, and strong value, offering a well-rounded package in the compact sedan segment. The Sentra SV comes equipped with a 2.0-liter four-cylinder engine producing 149 horsepower, paired with a continuously variable transmission (CVT) and front-wheel drive. While performance is modest, reviewers note that it delivers smooth handling and excellent fuel economy, rated at 29 mpg city and 39 mpg highway. Inside, the SV trim enhances comfort and convenience with premium cloth upholstery, a 7-inch touchscreen infotainment system, Apple CarPlay and Android Auto integration, keyless entry, and dual-zone automatic climate control. The cabin is described as attractive and quiet, with quality materials that give it a more upscale feel compared to rivals. Safety is a standout feature: the 2021 Sentra comes standard with Nissan Safety Shield 360, which includes automatic emergency braking, blind-spot monitoring, lane departure warning, and rear cross-traffic alert. These advanced driver-assistance systems make the Sentra one of the safest options in its class. Overall, the 2021 Nissan Sentra SV is recognized as a value-driven compact sedan that balances style, comfort, technology, and safety, making it an appealing choice for buyers seeking reliability and modern features without a premium price tag.