Would the life of a vehicle be shortened by using this method? By the
way the item I looked at was made by Mity-Vac and held 8.8 liters. You
use it with your air compressor.

This is routinely done on boats because you can't reach the drain plug, and if
you could, the oil would spill out into the bilge and, eventually, into the
lake. I've used the drill powered pump. You'd have to pull the engine in my
boat to get at the drain plug.
Gary Brady
Austin, TX