"If you are cruising at light load at highway speeds, 60 mph+, you should be easily able to engage MDS. There is not an active indicator in the EVIC of the Challenger. Cruising on the highway, I can easily beat label fuel economy with this driveline. The new 5.7 developes more torque in MDS and can easily pull road load at speed.
EPA Fuel Economy Est - Hwy (MPG) 23: Fuel Tank Capacity, Approx (gal.) 18.5: Suspension. Suspension Type - Front: Calculate 2022 Dodge Challenger Monthly Payment
Trick 1: By Reducing Resistances. Any kind of resistance or blockage can affect your mileage. So, try to reduce resistance in your function of the engine. It will surely help to increase a little bit amount of mileage. For example- you can turn off the A/C or turn off the auto mode. I drove a 2009 M6 5.7 and then traded it in on a 2013 M6 6.4. Overall mileage driving the same style on the same roads went down about 1.5 mpg. In terms of performance, the 6.4 is not only much faster but has far more low and midrange torque, something you notice constantly in everyday driving situations and not just WOT.
The Dodge Challenger R/T Plus with a 5.7 Liter V8 engine sounds mean, looks meaner, but gets surprisingly good gas mileage for such a large powerplant. Posted: April 17, 2021 - 6:15PM Author
The Dodge Challenger with the 5.7-liter HEMI V-8 engine offers impressive fuel efficiency for a performance vehicle. Equipped with an automatic transmission, this powerhouse delivers an EPA-estimated mileage of 16 MPG in the city and 25 MPG on the highway.
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  • dodge challenger 5.7 fuel consumption