The 2018 Nissan Frontier is a mid-size pickup truck, part of the model's second generation. It is available with a choice of two engines: a 152-horsepower 2.5-liter four-cylinder or a 261-horsepower 4.0-liter V6. Both engines can be paired with either a five-speed automatic or a six-speed manual transmission. The V6 engine also offers a choice between rear-wheel drive and four-wheel drive. The Frontier is available in five trim levels: S, SV, Desert Runner, Pro-4X and SL, with the Pro-4X and SL trims reserved for the V6 models. Key safety features include front-seat side airbags, full-length side curtain airbags, and stability control. Its infotainment system features a 5.8-inch touchscreen, NissanConnect mobile apps, and optional navigation.