Surprising Result: The NEW 2025 Ram 2500 Cummins Gets Worse MPG Than the Old One?

Save an average of $1,000 on a factory-backed extended warranty for your new vehicle from Granger Warranty*. ( https://grangerwarranty.com ). *Not available in California or Florida. ( https://www.allTFL.com ) Check out our new spot to find ALL our TFLstudios content, from news to videos and our podcasts! In this Denver 100 review, Andre tests out the old (pre-facelift) Ram 2500 Cummins against a brand new 2025 model with the updated Cummins engine and 8-speed automatic transmission! (   / tflcar   ) Visit our Patreon page to support the TFL team! Watch more videos from TFL Studios: The Fast Lane Truck (    / tfltruck   ) The Fast Lane Car (    / tflcar   ) TFLoffroad (    / tfloffroad   ) TFLbike (    / tflbike   ) TFLnow (    / tflnow   ) TFLclassics (    / tflclassics   ) TFLtalk (   / tfltalk   ) TFL Podcasts: TFL Car Chat Podcast ( https://redcircle.com/shows/tfltalk-c... ) TFL Talkin' Trucks Podcast ( https://redcircle.com/shows/tfl-talki... ) Carish Podcast ( https://redcircle.com/shows/carish-po... ) #ram #truck #review TIMESTAMPS: 0:00 Intro 0:34 Filling Up 1:57 Starting the Denver 100 Test (in the NEW Cummins) 4:48 More on the Engines (Old vs. New) 8:05 Details on Each Truck (Exterior Styling/Interior) 10:12 Swapping Trucks (to the 2021 Ram 2500 Limited) 15:49 The Results 18:54 Verdict