Never compare yourself to other writers. You are who you are, and you only know what you know.
IF you are constantly saying: but I wish I could be as good as — or if I could only
You will never have the confidence to be YOU.
We are all different and that is a good thing. If you are not as good as you want to be, keep working at it. Everything in life must be learned. That includes writing well.
What if J.K.Rowling wished she was like Douglas Adams — We’d have what Harry Potter In Space?
Or If John Lennon wished he was like Elvis?
You get the point right?
Be true to you and have fun while you do it!