2025 Sprinter 2025 Ho Mpg. City/hwy mpg rtg* explore build. The manual on my 2025 claims 21 for a diesel om654, but i've seen several references elsewhere to 23, 24.5, and 25 gallons.

Use our handy tool to get estimated annual fuel costs based on your driving habits. When i filled it up it took just over 19 gallons and prior.