A lot has been said about the BMW Z4 for 2007. As BMW's entry in the convertible market the Z4 (and in this case specically the Roadster 3.0si version) has maintained a solid reputation. The 2-door Z4 is especially appealing to wide market segment, making it a perfect car to help BMW as a brand in general.

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In 1997 Porsche released the 911 Turbo to the car-buying market. The 911 came in five configurations: Carrera, Carrera 4, Carrera 4S, Targa, and Turbo. The Turbo configuration is powered by the 3.6-liter six-cylinder engine, which makes 23 highway miles and 16 city. The 911 competes in the Coupe market segment, in direct competition with Kia.

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Several things can be said about the Porsche 911 series: including the polarizing reactions most buyers have towards their car. The six-cylinder engine is at the heart of the strong emotions, it is powerful for its class and delivers a large amount of torque.

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One of the staples of the Coupe segment is the Porsche 911. In the previous model year debuted a brand new version of the 911 with ten versions: Carrera 4, Turbo, GT2, GT3 RS, Carrera 4S, Carrera S, Targa 4, and Targa 4S. Sales for the 911, especially the 911 Carrera 4S, were brisk during 2008 and 2009. The improved vehicle quality and the modern styling were responsible for the boost in sales.

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