2027 Grand Design Imagine AIM21MBA

Grand Design publishes an unloaded vehicle weight (UVW) of 5,361 lb and a GVWR of 6,395 lb for the 2027 Imagine AIM 21MBA, with a hitch weight of 560 lb. It does not publish a cargo carrying capacity on the floorplan page, so none is shown here, and none is worked out by subtracting one published figure from the other. The trailer’s own federal weight label, inside the door, carries its cargo capacity as built.

It is 24' 11" long, 10' 10" high and 8' wide, with 37 gal fresh, 45 gal grey and 37 gal black tanks as Grand Design lists them. Fresh water weighs about 8.3 lb per US gallon, so a full fresh tank adds roughly 307 lb before anything else is loaded.

Among the 6 Imagine AIM floorplans profiled from Grand Design’s 2027 pages, it is number 6 of 6 by unloaded weight, in a range from 3,547 lb to 5,361 lb. Every figure in that comparison comes from the same Grand Design page type for the same model year.

Every number on this page was read on 19 Oct 2026 from Grand Design’s own floorplan page for the Imagine AIM 21MBA, whose structured data names the model year 2027.

How the 21MBA differs from the other five Imagine AIM floorplans. Most distinctive first. Each rank counts only the siblings that publish that field, and a figure most of them share is left out.

• Dry weight, 5,361 lb: heaviest of six; next is the 17MKA (4,945 lb).
• Tongue weight, 560 lb: heaviest of six; next is the 17MKA (525 lb).
• Length, 24 ft 11 in: longest of six; next is the 20BHA (23 ft 10 in).
• Tongue weight as a share of dry weight, 10.4%: second-smallest of six, between the 20BHA (10.3%) and the 17MKA (10.6%).
• Exterior height, 10 ft 10 in: tallest of six, level with the 17MKA; next are the 19MLA and 20BHA (10 ft 5 in).
• Sleeping capacity, 5: largest of six, level with the 20BHA; next are the 15RBA and 16MLA (3).

Next to the 17MKA, the nearest lighter floorplan by dry weight, the 21MBA is 416 lb heavier by dry weight, has a tongue weight 35 lb heavier, is 3 ft 3 in longer and sleeps three more; the two publish the same GVWR, exterior height, fresh tank, grey tank, black tank and slide-out count.

Grand Design lists 6 Imagine AIM floorplans for 2027. 6 without an existing page here are profiled from Grand Design’s own floorplan pages, from 3,547 lb to 5,361 lb unloaded; the others link to their existing pages. Grand Design publishes UVW, GVWR and hitch weight for these trailers, and no cargo carrying capacity.

Closest sibling: the Imagine AIM 20BHA, nearest on the published figures. It differs on 3 of the 8 fields both publish (this plan first): length 24 ft 11 in vs 23 ft 10 in; dry weight 5,361 lb vs 4,538 lb; hitch weight 560 lb vs 468 lb. They match on sleeps, GVWR, fresh tank, grey tank and black tank.

Either side of it by GVWR: Imagine AIM 20BHA matches it at 6,395 lb GVWR.

All 6 Imagine AIM floorplans: Imagine AIM line hub.

Against the 21MBA: the Airelume 260 is 4 lb heavier and 4 ft longer; the Jay Feather 19MRK is 5 lb heavier and 2 ft shorter and sleeps 3 fewer; the Range Lite 200MLM is 5 lb heavier and 2 ft shorter.

14 of the 18 fields this catalogue tracks are published for the 21MBA. Not published: cargo capacity (CCC), interior height, awning, air conditioning.

Sourcing rules: methodology.