The Nissan Xterra is a six-letter SUV produced by the Japanese automaker Nissan. It was first introduced in 1999 and was discontinued in 2015. The Xterra was designed to be a rugged, off-road vehicle, with features such as a powerful engine, four-wheel drive, and a body-on-frame construction. It was also equipped with a variety of interior features, including air conditioning, power windows, and a CD player. The Xterra was popular among outdoor enthusiasts due to its ability to handle rough terrain and its spacious interior.