Dynamax DynaQuest XL 3700RB

Sticker was $492,760 in 2026. Out of production since 2026, so the used market is the only way to buy one. Estimate assumes a 2026 unit.

A missing row means the maker never published that figure: unknown, not zero.

• 1× King bed slideout(Permanent)—
• 1× Tri-fold sleeper sofa(Convertible)—
• 1× Dream dinette(Convertible)—

Dynamax (Better tier): Dynamax's flagship Super C diesel motorhome, aluminum-framed laminated-fiberglass sidewalls and floor on a medium-duty chassis (33,000 lb GVWR across the line), priced roughly $450K-$493K.

Scarce: months of watching; be ready to fly and drive it home. Why: only one model year. Estimated from build volume and production span, not a count of live listings.

Sleeping data added by a later pass: McKee RV (dealer) spec table for DynaQuest XL 3700RB: 'Sleeps: 6'. Collected from a census gap: this line had no catalogue record at all. tier, bn and mat are the collecting pass's editorial read, not inherited from siblings. Slide-out count added by a later pass: img alt text in raw HTML: 'The 3700RB has three slideouts and one entry'

Live listings for the 3700RB on the big marketplaces. Each search opens pre-filled with this exact floorplan:

Inventory varies by site and day. Slim pickings? search the whole DynaQuest XL line ↗