If you drive carefully (like you say you do) and they haven't added any new construction or delays on your route that cause excessive idling you should easily expect same or better than your old CX9.
I guess even a newer, low mileage car can have some basic issues that could cause this.
Have...
I can recall a couple of times when I checked the oil and it was really low, but I know there was more oil in there... it seems kind of unreliable to only rely on the dipstick reading because for some reason the oil doesn't always show up the same on the dipstick.
I usually know how much is in...
I first noticed the effect different driving habits make on a previous car with variable valve timing (VVT). If I had been driving in town using generous throttle the trip later on the highway would seem to be affected. After many miles of highway driving with a light foot it seemed the highway...
If you put in a 5 qt jug and a new filter some of the oil would go into the filter and then is there when you remove it, so consider that as well.
I usually try to change the oil before 5k.
Here's a thread that references the STB for the 2016 rear calipers. It doesn't have a pdf of the STB but there are details about the parts.
https://mazdas247.com/forum/t/2016-cx-5-rear-caliper-tsb.123880393/
If you find a dragging brake, try cleaning and relubing the caliper guide pins. I had issues with one of mine sticking a bit but no more problems since I lubed it.
After driving at higher speeds, stop and feel each hub and wheel to see if there is any overheating. Overheating could be brakes, but also other parts like the bearings.
Front-end alignment might cause some drag if it is not right.
They are almost $16 now on Amazon. Some of the bad reviews make me think some people buy a set, then return (phony) merchandise in the NGK boxes and the Amazon vendor doesn't check. One person got a set of Autolite plugs.
While most of the reviews are positive it seems like there could be a...