Monaco Diplomat 40PDQ
Sticker was $349,404 in 2013. Out of production since 2013, so the used market is the only way to buy one. Estimate assumes a 2013 unit.
A missing row means the maker never published that figure: unknown, not zero.
- 1× Master king bed (queen 60x80 in the earlier years)(Permanent)72×80
- 1× Roadside sofa bed(Convertible)—
- 1× Curbside sofa bed / dinette(Convertible)—
Monaco (Mixed tier): Monaco Coach Corp (2005-2009), Navistar RV (2010-2013), REV Recreation Group (2014-2017)
| YEARS | GVWR | DRY | MSRP |
|---|---|---|---|
| 2005–07 | 33,000 lb | — | $349,404 |
| 2008 | 33,000 lb | — | $261,101 |
| 2009–13 | 36,000 lb | — | $349,404 |
- 2005Introduced at 40'6", 33,000 lb GVWR, Cummins ISL 400
- 2008Stretched to 41'7", GVWR raised to 33,000-36,000 lb, 261 in wheelbase
- 2011Cummins ISL replaced by the Navistar MaxxForce 10
- 2013Last model year
Patient search: weeks of watching, and probably some travel. Why: 9-year production run; 13 years out of production. Estimated from build volume and production span, not a count of live listings.
The longest-running Diplomat floorplan — quad slide, grew from 40'6" and 33,000 lb in 2005 to 41'5" and 36,000 lb by 2008.
Live listings for the 40PDQ on the big marketplaces. Each search opens pre-filled with this exact floorplan:
Inventory varies by site and day. Slim pickings? search the whole Diplomat line ↗
These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.
See where it ranks for you →Data compiled from dealer and aggregator listings, retrieved 2026-07.