Picked up a Platinum 2018 F150 4x4 Diesel 2 months ago. Got 3500 mile on it and all i can say is WOW!!!!! Highway mpg empty is 27 and city is 23mpg. I've owned Fords for years but this truck is impressive. Super quite for a diesel and plenty of power for only 250HP. Now to see how it the diesel holds up over time. I'll keep ya posted.