Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW X6

BMW rolled the dice with the original X6, but soon realized its problem would be lack of production capacity at its plant in Spartanburg, SC than a lack of customers - over 250,000 X6s have found homes since it arrived in 2008. It comes as no surprise that a second-generation model has now arrived, but as much as the first was revolutionary, establishing an entirely new SUV sub-genre, the new X6 appears much more evolutionary. At 4,909mm long, 1,989mm wide and 1,702mm tall, the new car grows by just 34mm in length, 4mm in width and 12mm in height.

Nissan Sentra wrings out 1 mpg more to sweeten payout

Engineers at Nissan Motor Co. are scurrying to eke another mile or two per gallon out of their vehicles to win customers who come looking for federal cash-for-guzzlers money. "We want as many of our products as possible to pop up on the shopping list," Nissan North America spokesman Brian Brockman says.

Infiniti means . . . what?

Ever since Infiniti was launched with mystifying advertising images of rocks and trees 21 years ago, Nissan Motor Co.'s luxury brand has been hard to pin down. Vehicles such as its G37, the 2011 M sedan and the QX56 SUV turn heads and win praise in buff books. But while luxury competitors such as BMW, Mercedes-Benz, Audi and Lexus have soared in consumer popularity over the past decade, Infiniti has struggled to keep up.