I have no debt, a good paying job and am looking for how much to spend on a car

I (23M) just graduated college with no debt and landed a good job making $70,000 a year. I just started so i still dont have much money in my bank account but i want to statt budgeting for a car. Im not sure how much i should save up for a down payment or how much of my income i should be using to pay for a car. (Im looking an Acura TLX but am open to other car suggestions if you have any :))