Hi all, first time post so please be kind!

I have just agreed a 2 vehicle lease for 2 x 2019 L200 Challenger Auto and having had them for a little over 2 weeks I am confused as to the MPG I am getting, even on a long run... Today Manchester to Newquay (Cornwall) yielded a very poor 30mpg average, sitting in cruise no higher than 72-73 mph.

Previously I had a 2015 Barbarian auto double cab which easily returned 37-39 mpg....

Am I missing something here????

Any advice welcomed!