Since I retired, most of my driving is around town. My '08 SRT8 gets 15 driving between 30 and 45. When I do some highway driving, I get 18 to 23. With the cruise set at 75 I get the 23. No cruise and hanging between 65 and 70, I get the 18.

1973 Charger SE 1974 Charger Rallye 440 Aztec 2008 Charger SRT8