2022 Dodge Challenger R/T RWD Specifications. 5.7L V8 HEMI VVT. Horsepower Ft 3. 375 @ 5150 RPM. Torque. 410 @ 4300 RPM. Max Towing Capacity 1. 1,000 lbs. Drivetrain. Dodge Challenger Specs for Other Model Years. 2023 Dodge Challenger; Engine: 6.4L V8 SRT HEMI. Transmission: 6-Speed Manual Tremec. 50 State Emissions. Rear-Wheel Drive. 3.90 Axle Ratio. Detailed specs and features for the Used 2010 Dodge Challenger including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Research the 2009 Dodge Challenger at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. whose bored-out 6.1-liter Hemi yields the same 425 hp as There’s a 305-hp V-6 in the SXT and SXT Plus trims, a 375-hp 5.7-liter Hemi V-8 in most R/T trim levels, a 485-hp 6.4-liter Hemi in the R/T Scat Pack and SRT 392, and a stonking, 707-hp It's a very good read, compares the 5.7 and 6.1 and the parts used in each. They list the 5.7 cam as, duration @ .006 253 degrees intake, 253.7 degrees exhuast. 34 degrees of overlap. valve lift .472 intake, .460 exhuast. Thank You Dave. gordo420 Discussion starter. 94 posts · Joined 2010. #7 · Jul 29, 2010. Premium Unleaded V-8. Displacement. 5.7 L/345. SAE Net Horsepower @ RPM. 375 @ 5150. SAE Net Torque @ RPM. 410 @ 4300. EPA Fuel Economy Est - Hwy. 23 MPG. 36xLB.