The 2010 BMW 1 Series, belonging to its first generation, is a small luxury car offered both as a coupe and convertible. Two trims are available: the 128i and the more performance-oriented 135i. The 128i is powered by a 3.0-liter inline-six engine that outputs 230 hp, while the 135i gets a turbocharged version of the same engine, ramping up the power to 300 hp. A six-speed manual transmission is standard, with a six-speed automatic optional. The 1 Series includes standard features like automatic climate control, a 10-way adjustable driver's seat, and the iDrive electronics interface with a 6.5-inch display. Optional features include navigation and a Harman Kardon sound system. Safety highlights include stability control, 4-wheel anti-lock disc brakes, and front-seat side airbags.