The Highlander Hybrid seats five standard and up to seven with optional extra seats. There is available front- or all-wheel drive. It is powered by a second-generation Hybrid Synergy Drive System. This system combines a 208 hp 3.3-liter V-6 engine and an electric motor. In total the combination creates 268 hp total. This is all controlled by a continuously variable transmission. In the all-wheel drive version a separate electric motor drives the rear wheels. Front, side-impact and first- and second-row side curtain airbags come standard.For 2007, The Toyota Highlander Hybrid only gets slight exterior changes.