The xA RS 1.0 joins the xB RS 1.0 as the second Scion vehicle to bring a variety ... color-keyed rear spoiler, larger wheels, a moonroof, stability and traction control systems, and interior ...

These vary from the usual type of upgrades – like 16-inch alloy wheels– to customizations such as a rear spoiler ... of the xD over the Yaris. The Scion xB is a good choice if you need ...