I have a 4.5 amp drill that sometimes spins out when I am drilling through a wood stud. ?

Question

Would a more powerful one be better?

Answer 1

define "spins out"???

Answer 2

is the drill spinning out or the piece of timber moving

put safety first  

Answer 3

If you mean it slows to a halt yes you need something more powerful.

If the chuck spins with the bit at a halt it means the chuck should be turned tighter / you could also fix this by grinding flat edges on the bit for better traction.