Depending on the configuration, Ram lists the 2026 Ram ProMaster with a gross vehicle weight rating ranging from 8,550 to 9,350 pounds. Across the lineup, the gross combined weight rating is listed at 12,000 pounds.

Payload ratings also vary by model type. Cargo Van models offer payload ratings from 3,871 to 4,746 pounds, while Cutaway models provide higher payload capacity, ranging from 5,236 to 5,315 pounds.

• 8,550 to 9,350-pound GVWR range
• 12,000-pound GCWR
• 3,871 to 4,746-pound Cargo Van payload range
• 5,236 to 5,315-pound Cutaway payload range
• 4,629-pound front GAWR
• 5,004 to 5,291-pound rear GAWR range

Cargo length choices for the 2026 Ram ProMaster include 8-foot, 10-foot, 12-foot, and 13-foot layouts. Ram lists interior load floor lengths from 106.3 inches to 161.5 inches, depending on the selected model.

The Cargo Van lineup is offered with 118-inch, 136-inch, and 159-inch wheelbases. Overall exterior lengths range by configuration as well, with listed measurements of 195.5, 213.2, 236.3, and 250.6 inches.

• 118-inch wheelbase
• 136-inch wheelbase
• 159-inch wheelbase
• 195.5-inch overall length
• 250.6-inch longest listed overall length
• 106.3 to 161.5-inch load floor length range
• 8-foot, 10-foot, 12-foot, and 13-foot cargo lengths

The 2026 Ram ProMaster measures 82.1 inches wide without mirrors, giving drivers a clear baseline for body width. With mirrors extended, width changes to 97.8 inches when equipped with short-arm mirrors and 112.4 inches with long-arm mirrors.

Inside the cargo area, the ProMaster provides 56 inches of width between the wheel wells. That measurement can be especially useful when planning shelving, cargo boxes, tool storage, or other work-ready interior layouts.

• 82.1-inch body width without mirrors
• 97.8-inch width with short-arm mirrors extended
• 112.4-inch width with long-arm mirrors extended
• 56-inch cargo width between wheel wells
• 36.3, 40.7, or 46.8-foot turning diameter, depending on configuration

The seating capacity of the 2026 Ram ProMaster Cargo Van depends on the front-seat layout selected. Ram lists seating configurations for up to one, two, or three occupants in Cargo Van models.

For businesses that need to move more people along with equipment, the available Crew Van Package increases seating capacity to as many as six passengers. This package is offered with High Roof Van models.

• Cargo Van seating for up to one, two, or three occupants
• Available Crew Van Package
• Seating for up to six with Crew Van Package
• Four-way manual-adjust driver’s bucket seat
• Available passenger double seat
• Available driver and passenger swivel seats