From the outset, the 5.7-liter HEMI is substantially smaller than the 392 (6.4-liter) V8, and typically makes less power. The ...
The 2016 Dodge Challenger 392 Hemi Scat Pack Shaker offers up to 15 MPG in city driving and 23 MPG on the highway for a combined rating of 18 MPG. These figures are based on EPA mileage ratings ...