How many miles after break in did you get that good MPG?
My 2014 V6 manual Mustang only has 1400 miles for now. I usually get only 16 MPG with half highway and half city driving. I do some heavy acceleration occasionally.
2014 Mustang V6 3.7L 6-spd manual, with MGW shifter, Airaid CAI, BBK shorty headers, Corsa Sport axle back, strut tower brace, JLT oil separator, GT500 differential cover, BG Synchro Shift II gear oil, Redline differential oil.