Some data from Fuelly would disagree with you:
This is for 2017 Raptors. 18 were in the 12-14 MPG range, 21 in the 15-17 range. Looking at 18's, 25 were in the 12-14 MPG range, 46 in the 15-17 range, and for '19's, 11 were in the 12-14 range, and 23 in the 15-17 range. The 20+ years didn't...