The restyled X6 xDrive50i is equipped with a 4.4-liter eight-cylinder engine that utilizes 32 valves. The engine is mated to a ZF six-speed transmission. This has resulted in an increase in horsepower and torque over the 2007 version.

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There's been a lot of talk about the Audi S4 for 2002. As a leading car in the sedan market the S4 (and in this case specically the Base version) has maintained a high standard. The 4-door S4 is especially appealing to broad audience, making it a perfect car to help Audi as a brand in general.

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Standard equipment in the S4 for 1991 and 1992 includes the 2.2 liter engine by Audi, weighing in at 5 cylinders and twenty valves. A 5-speed Standard Transaxle puts the power of the engine to the pavement. The has proven to be a popular configuration for the S4.

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A lot has been said about the BMW X6 for 2009. As BMW's entry in the sport utility market the X6 (and in this case specically the xDrive50i version) has maintained a good reputation. The 4-door X6 is especially appealing to wide market segment, making it a perfect truck to help BMW as a brand in general.

Read more about the 2009 BMW X6