go to tiredirect.com and use the tire size calculator. Use the combo that is the closest to stock as possible. I run 16" E500 wheels with a 255/50-16 hoosiers which you will find is very close. No low mph here. 117mph in the 1/4 is not to shabby. Now your asking about drag slicks not drag radials. The only drag slick available is from Mickey Thompson and is a bias tire, not radial. It's a 16" by the way. You probably want to stay with a radial. If you search discount for 5x112 by the rim size you are looking for quite a few will pop up.