Question about Audi A4 B8 (8K5)

Hi!

I recently bought Audi A4 B8 S-line 2.0TFSI Quattro. Everywhere I look, it says this car should be 7 speed, but mine is 6 speed. The car is from 2010 and the seller said it should be S-tronic. So my question is: is there 6 speed s-tronic gearboxes?