C&D achieved a 13.7 Second 1/4 with a Challenger R/T. MT got a 12.6 with the Scat Pack (Can't find 5.7 test results). R&T got a 12.6 with a scat-pack. C&D achieved a 13.0 with the 2016 Mustang GT 5.0, MT achieved a 12.9. With the performance package on the old GT 5.0, MT achieved a 12.7. The 5.0s can run close to the 392 powered cars, nevermind the 5.7 cars. With skilled drivers, the 5.0 Mustang will always beat a 5.7 Challenger. Always. The numbers on paper back this up, the countless instrumented tests done by dozens of reviewers backs this up. The individual quarter mile time ranges reported on the forums back this up. 1 v 1 on the street or strip with completely random amounts of driver skill is one thing, but the instrumented tests done by countless mags are another. The 'Stang is faster.