2008 Grand Sport Motorhome Prices and Specs

Select a Year and Model

(2014 - 2002)


GT Series

M-340GT 450hp

M-360GT 450hp

M-370GT 450hp

M-400GT 450hp

M-420GT 450hp

M-450GT 450hp

GT Toyhauler Series



Ultra Series

M-400UL 450hp

M-420UL 450hp

M-450UL 450hp

Founded in 1997, Dynamax began producing the Grand Sport line of motorhomes in 2002. Building large Class A and Class C motorhomes on transport truck frames, Grand Sport caters to luxury as well as toy hauler customers in the recreational vehicle market. Multiple floor plans for Grand Sport recreational products have been made available between 32 and 45 feet in length. Air conditioning, LCD television and a finely equipped kitchen were features of Grand Sport motorhomes.