I have the MY 2013 Turbo S. It has quality components, for example:
derailleur is SRAM X0 (10 speed), works like a dream, Magura MT Carbon hydraulic disc brakes are very powerful. Motor is a Go SwissDrive 250W with 342 Wh LiNiMnCoO2 battery. The 2013 also has ANT+ support for, e.g., heart rate...