209-740-4463 The 2015 Chrysler 300 is a full-size sedan that offers Best-in-Class 31 highway mpg with its standard 292-horsepower 3.6L Pentastar V6 engine. For Best-in-Class V8 horsepower and torque, choose the available 5.7L HEMI V8 engine with Fuel Saver Technology. It produces 363 horsepower and 394 lb-ft of torque. The All-Wheel-Drive (AWD) system, available on V6 engine-equipped 300 models, is always active, requiring no driver input.