The new Altima Coupe is offered with a choice of two engines — a 270-horsepower 3.5-liter 24-valve DOHC V6 and a 175-horsepower 2.5-liter DOHC 16-valve inline 4-cylinder. Both are available with Nissan's advanced Xtronic CVT (Continuously Variable Transmission) or 6-speed manual transmissions.