The answer to this depends on whether you are referring to the fastest production minivan or the minivan which is the fastest, regardless of whether it was produced or not. The fastest minivan which was ever mass produced was the Mercedes-Benz R63 AMG. This minivan had an engine which produced roughly 500 brake horsepower, and had a sub-5 second 0-60 time. It had an electronically limited top speed of 155 mph.