Dodge Cut the Charger’s V8 for Six Cylinders and 550 Horsepower — It Still Weighs 1,000 Pounds More Than the Mustang GT by Jack Harmon The 2026 Dodge Charger Scat Pack Sixpack swapped its V8 for twin turbos and beat the Ford Mustang GT’s horsepower number by 70. Then Edmunds weighed both cars and found out why that number didn’t matter on the track.