A 2025 Ram 1500 owner investigated the accuracy of his truck's MPG display and discovered significant discrepancies.
The owner, Ron Leon, drove 444 miles in his Ram 1500 with a 3.0L twin-turbo engine and compared the displayed MPG to manual calculations.
This is why you never believe your mpg lie-o-meter.
The findings serve as a reminder that relying solely on the dashboard display can be misleading.
Author's summary: Ram 1500 owner questions MPG display accuracy.