Yes, this van is the worst gas mileage van made.Its also been the most comfortable van as well. I really dont know whos on the forum saying there nissan gets 25mpg. My van currently gets 9mpg. nv2500 v8 600 lbs equipment. I drive 90% city. Im lucky I only drive this van 6000 miles per year. I bought this van for comfort and i used to own a 2006 nissan titan 4x4 that also got bad mileage. Only buy this van if you want comfort and are not driving 30000 miles per year. I bought this also because of motor dependablitiy. This motor is proven and is alot cheaper to fix that a diesel sprinter. You really need to test driving all the vans and maybe even rent each one for a week. When your spending 30-50k on a van, you better make sure. They say the v6 is better mileage, I really dont know. Test drive both and you will want the v8 due to the power out of the hole.
