You can download an owners manual here.
http://www.dodge.com/en/owners/manuals/
87 can be run but they recommend 91 for the turbo.
http://www.dodge.com/en/owners/manuals/
87 can be run but they recommend 91 for the turbo.
The only accurate way to calculate mpg is to use one of the Trip history calculators in the EIC to measure miles between fills to full tank. Then divide those miles by the actual number of gallons used to fill the tank.I've had my Dart 1.4 turbo, DDCT for 4 months, have used all three grades, 87, 89, 93, No noticeable difference in performance. On one tank full of 93 I actually dropped 1 mpg from the tank of 87 that I had filled up with prior. 30 mpg to 29 mpg around town.
The most noticeable was when I started using the A/C, I dropped about 2 mpg.
But is 91 recommended for the 2.4? I seen a comment where it says they recommend 87 for the 2.4you can use regular gas but you will get better gas mileage with premium. I used regular gas for a about a month when i got mine to see how the mileage was, but according to the manual - 87 octane (acceptable) 91 octane (recommended).