The G19 is just short of 7" long, and is 5" tall. 15+1 capacity.
Comparably sized weapons:
Most other full size pistols fall either between the G19 and G17, or at the size of the G17. The FN FNX/S is an example of a tweener.
Currently Own: Beretta PX4 9mm, Glock 23 (Gen 4), Glock 19 (Gen 4) x2