RS stands for RELEASE SERIES. The xB,xA,tC each have their own RS cars. The tC has 1.0,2.0,3.0
Each one has its own special color. No other scion has the same color, and that is the only color the car comes in. And sometimes they will have a lip kit, wheels and other special features.
For the tC
tC RS 1.0 only available in Absolutely Red with 2500 units produced
tC RS 2.0 only available in Blue Blitz Mica with 2600 units produced
tC RS 3.0 only available in Blizzard Pearl with 2500 units produced
The 1.0 came with 18 inch enkei wheels and red stitched seats and other small things.
The 2.0 came with alcantara seats and other things
The 3.0 came with the kenstyle lip kit and the two tone seats.
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TRD Supercharger
Custom 2 Tone Paint
Kaminari Body Kit
Enkei wheels
Custom Fiberglass trunk
Navigation
Corbeau A4 Seats
AND MUCH MORE