The 2009 BMW 1-Series line is largely unchanged following its introduction for the 2008 model year. The lineup includes 128i and 135i models. The 1-Series slots below BMW's 3-Series in size and price. The 1-Series is available as either a 2-door coupe or convertible with a power folding soft top. Engines are 3.0-liter 6-cylinders shared with the 3-Series. The 128i has 230 hp, while the 135i is turbocharged and has 300 hp. All models have a standard 6-speed manual transmission and offer an optional 6-speed automatic. Available safety features include ABS, traction control, antiskid system, curtain side airbags (coupes), and front side airbags. A sunroof and split folding rear seat are standard on coupes. An available Premium Package includes leather upholstery, power front seat, and BMW's Assist system. A Sport Package includes specific trim, sport suspension (on 128i), and sport bucket seats. Other options include a voice-activated navigation system, aluminum or burled walnut interior trim, and heated front seats.