Stellantis expects to get about a 15% improvement in fuel efficiency with the standard Hurricane which would bump the Wagoneer to almost 20 mpg. The HO version is projected to get 13% better Fuel economy of the 2010 Dodge Challenger. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. For the most part, the Dodge Challenger gas mileage remains the same as last year. Here’s a quick overview of the each model’s fuel economy: Challenger SXT: 19 city/ 30 highway MPG. Challenger GT: 19 city/ 30 highway MPG. Challenger R/T: 15 city/ 23 highway MPG. Challenger R/T Scat Pack: 14 city/ 23 highway MPG. Its average fuel economy dropped to 21.3 mpg from 21.8 mpg compared to the 25.4 mpg 2020 average across manufacturers. The average grams of carbon per mile released by the automaker's vehicles Lows Fuel-economy ratings as low as 13 mpg, Camaro and Mustang handle much better, starting to show its age. Verdict The Challenger SRT Hellcat is a modern muscle car with what amounts to a LM7OqV. The 2023 Challenger SRT Demon 170 races down a drag strip during an event to unveil the car Monday, March 20, 2023, in Las Vegas. (AP Photo/John Locher) DETROIT (AP) — The last gas-powered muscle car from Dodge isn’t leaving the road without some squeals, thunder and crazy-fast speed. The 2023 Challenger SRT Demon 170 will deliver 1,025 Car engineers know best. Buy the gasoline grade that your ride was designed for. In addition, buy Top Tier detergent gasoline (see previous article in the Challenger Maintenance forum) in the recommended grade and you'll be saving money in the long run. Here are the recommended octane numbers for recent Dodge engines: 3.5L= 87 octane 3.6L= 87 Search by make for fuel efficient new and used cars and trucks 2016 Dodge Challenger 6 cyl, 3.6 L, Automatic 8-spd Regular Gasoline: View Estimates Fuel economy of the 2023 Dodge Challenger SRT Demon 170. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks. The Dodge Challenger’s thick rear pillars take some getting used to, but blind-spot monitoring and a rearview camera make life more bearable. EPA city/highway fuel economy: 13/22 mpg (auto

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