Yes I was going to say if you’re letting it idle a lot to warm up it will really bring the mileage down, and cold weather in general brings mileage down.Are you using the auto start and letting it idle before driving?
1949 International KB2 "Mater" 302/T5
1968 Dodge Dart GTS "The Drat", 340/727
2006 Dodge Magnum R/T the "Wagnum", 5.7/auto
2016 Dodge Durango Limited, 3.6/auto
My wife does very little other than short trips and gets 16. something's definitely up. What year Durango? Mileage? Does it need a tune up? Plugged air filter?Our 2016 Limited V6 averaged 19.5MPG, mostly rural, no city. There's definitely something going on with 12MPG.