Most 2015 Dodge vehicles are equipped with either a 3.6-liter Pentastar V6 engine or big-block Hemi V8 engine. Dodge Chargers and Challengers come standard with a 305-horsepower Pentastar V6 and five-speed auto-stick transmission. Hemi V8 variants are available in R/T, SRT 392 and SRT Hellcat trim-lines.
R/T model Chargers and Challengers are equipped with a 5.7-liter Hemi V8 engine with 375 horsepower. SRT models feature a larger 6.4-liter Hemi V8 engine with a displacement of 392 cubic inches and 485 horsepower. SRT Hellcat models deliver 707 horsepower with a supercharged 6.2-liter Hemi V8. The Charger SRT Hellcat has a top speed of 204 mph, 650 pounds of force per foot and a quarter-mile time of 11.0 seconds. The Challenger SRT Hellcat tops out at 199 mph, delivers 650 pounds of force per foot and achieves a quarter-mile in 10.8 seconds.
The Dodge Dart comes standard with a Chrysler 2.0-liter DOHC Tigershark engine. The inline four-cylinder Tigershark engine offers 160 horsepower and a fuel economy of 36 mpg on the highway. The Dart is available in an SXT package with a Fiat 1.4-liter MultiAir Turbo engine. This inline four-cylinder variant delivers 160 horsepower, while increasing the car's torque and fuel economy to 39 mpg on the highway. The top-level Dodge Dart GT has a Chrysler 2.4-liter Tigershark MultiAir 2 engine with 184 horsepower.
The Dodge Durango, Grand Caravan and Journey are outfitted with the company's familiar 3.6-liter Pentastar V6. Like the Charger and Challenger, the Durango also has an R/T trim-line with a 5.7-liter Hemi V8. The 2015 Dodge Viper is outfitted with an 8.4-liter V10 engine, delivering 645 horsepower and 600 pounds of torque per foot.