I'm glad you said that and not me

Can you compromise somewhere between your Jeep and a Prius. I drove a 4 banger Chevy S10 for years, still had 4x4 but could hit 28mpg. Now all the small/mid sized new trucks cost just as much as a full size truck and with the v8 and v8 engines get the same gas mileage but going older a 4 banger manual s10/ranger can still get close to 30mpg which still having some capabilities.

Other option is to see what transmission can be put in your jeep, maybe a manual or a heavy duty auto.