Can the new 2016 MacBook Pro 13" without Touch Bar drive a 4K display?
From the Video Support section of the Tech Specs for the 2016 13" MacBook Pro:


  Simultaneously supports full native resolution on the built-in display at millions of colors and:
  
  One display with 5120-by-2880 resolution at 60Hz at over a billion
  colors
  
  Up to two displays with 4096-by-2304 resolution at 60Hz at over a
  billion colors
  
  Thunderbolt 3 digital video output
  
  Native DisplayPort output over USB‑C
  
  VGA, HDMI, and Thunderbolt 2 output supported using adapters (sold
  separately)