177posts · Joined 2014. #1 · Jun 21, 2015. Hey all, about a week ago, I installed my pre-sale 2015 challenger sxt cat back exhaust from solo performance. I posted in the solo thread with my initial impressions, and now that I've put about a week of mixed driving on the car (joy riding, work commutes, night driving) and figured I'd compile MTScore. 8.2/10. Whether fitted with a basic V-6 or hellacious V-8, the Challenger has an old-school muscle car spirit. It’s not the sportiest pony car, but its roomy interior, cushy ride, and Whatare the differences between the Dodge Challenger R/T and SXT? Compare side by side the R/T vs SXT in terms of performance, pricing, features and more Detailedspecs and features for the Used 2015 Dodge Challenger R/T Plus including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. For2015, the Dodge Challenger receives a major refresh, with a revised exterior, more powerful 6.4-liter V-8 on the SRT model, updated chassis and suspension, Dodge Performance Pages data, Overview4.8 (156 reviews) The good: Classic exterior styling New updated roomy interior Former SRT-only engine now an option on lower trims Uconnect multimedia system Edmundshas a detailed expert review of the 2015 Dodge Challenger SXT Coupe. View our consumer ratings and reviews of the 2015 Challenger, and see what other people are saying about the Theprice of the 2020 Dodge Challenger starts at $29,590 and goes up to $41,490 depending on the trim and options. Despite our preference for the V-8–powered Camaro and Mustang, there's a lot of SXTand GT models come with a 305-horsepower 3.6L V6 engine, which is capable of an EPA-estimated 27 mpg on the highway. The Challenger R/T draws its power from a 5.7L Hemi V8, which makes 375 Forcomplete product information and to order: lWXb.