Nearly all engines are aluminum in the effort to cut weight and reduce fuel consumption

Average horsepower rating approaches 200hp for the passenger car as the decade comes to an end

SUVs and Crossovers make the family wagon obsolete

Wheels exceed 19 inches to house larger brakes, and tires become low-profile. Wheel design evolves into more complex, multi-spoke, and even concave designs

In-car entertainment now requires its own user manual, from navigation systems, rear DVD entertainment, MP3 connectivity, and more

There is never enough leather, and alcantara arrives toward the end of the decade

Headlights are more advanced than ever, and range from Halo/Angel Eyes to Bi-Xenon

Body lines become aggressive, sharp, and complex

Dual-zone Climate Control systems and heated seats become widespread

Adaptive technology allows accessories like cruise control and wipers to adapt to their surroundings

Waterborne metallic paint becomes the norm, and the color options are virtually limitless