When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have a suspicion the incontrol MPG numbers are not accurate. It would be an interesting test to measure with actual odometer miles and gas pump fill up; vs MPG on the in car systems.
I use Fuel Buddy App and yes the vehicle one is not as accurate as it should be.