I have a 2022 dodge charger r/t, I test drove an r/t home for a weekend, the sport mode would increase the idle rpm just setting in the driveway.
The R/T I actually bought does not increase the rpm at idle in the driveway but will increase them once driving down the road.
Any ideas on why this is, I have gone through the settings and haven't seen anything in regard to this difference from one car to the other.