1954-57 M-b 300sl 1960-69 Covair Monza 1953 Chysler Datsun 240z 1955 Studebaker on 2040-parts.com

BMW's N20 engine--four cylinders, more power

More power, greater torque, reduced fuel consumption, lower tailpipe emissions and less weight--but better? Before driving the BMW X1 xDrive28i, the first model to feature the German carmaker's new turbocharged 2.0-liter four-cylinder gasoline engine, we weren't so sure. The new engine, known as the N20 and set to lead a return of four-cylinder BMW models to North America for the first time since 1998, has been conceived to (indirectly) replace the company's long-running naturally aspirated 3.0-liter inline six-cylinder.

Autoweek in review: What you might have missed

At the start of the week, Kia announced that it will launch a rear-wheel-drive sedan code-named the KH in the first half of 2012. U.S.-based press officials wouldn't comment on whether the KH would come stateside, despite a 36 percent increase in U.S. Kia sales in 2011.

Ford Energi drivers use all-electric mode 60 percent of the time

Ford has noticed quite a few interesting things by researching how owners use their Ford plug-in hybrids. It appears that Ford owners are driving their hybrids in electric mode nearly 60 percent of the time, using their cars' 21 miles of gas-free all-electric range. This figure contrasts quite a bit with the 41 percent of all-electric drive time earlier in the year, demonstrating that winter driving patterns differ quite a bit from summer driving.