Enhanced Strength: In Steve Rogers: In Super Soldier Vol 1 #3, Rogers' strength is so strong that he was able to knock out a group of SSS (Super Soldier Serum) men. In Avengers Vol 1 #170, he was able to lift over 800 lbs. In Captain America Vol 1 #220, Captain America's strength has been described as preternatural.
Enhanced Speed: In Captain America: 65th Anniversary Special #1, he is capable of running speeds at 60 mph in one minute. In Captain America Vol 1 #238, he outran the Diatrymas birds (Which can run speeds at 50 mph).