A 2025 Ram 1500 owner conducted an experiment to verify the accuracy of his truck's MPG display.
This is why you never believe your mpg lie-o-meter.
The owner, Ron Leon, drove 444 miles in his truck with the Hurricane 3.0L twin-turbo engine and compared the displayed MPG with manual calculations, revealing significant inaccuracies.
The experiment highlights the importance of manual calculation to ensure accuracy and avoid reliance on potentially misleading dashboard displays.
Author's summary: Inaccurate MPG display in 2025 Ram 1500.