Monaco Diplomat 41SKQ

Name: Monaco Diplomat 41SKQ
Brand: Monaco

Class Abuilt 2009–09Mixed build tierRare on the used market

WHAT ONE COSTS

$111,100est. used (2009, 17 yr old)

Sticker was $279,347 in 2009. Out of production since 2009, so the used market is the only way to buy one. Estimate assumes a 2009 unit.

THE SPECS

Length42.6 ft

Height (incl. A/C)12.6 ft

Width8.4 ft

Interior height7.0 ft

GVWR36,000 lb

Dry weightnot published

Sleeps8

Slide-outs4

Fresh water100 gal

Grey water62 gal

Black water40 gal

Fuel100 gal

Engine / chassisCummins ISL 400 hp 8.9L / Roadmaster RR8R, Allison 3000 MH 6-speed

GeneratorOnan 8.0 kW Quiet Diesel

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

WHERE PEOPLE SLEEP

1× Master queen bed with solid-surface nightstands(Permanent)60×80
1× 90" sofa bed(Convertible)—
1× 68" sofa bed(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameAluminum

RoofWalk-on

UnderbellyEnclosed

Monaco (Mixed tier): Monaco Coach Corp (2005-2009), Navistar RV (2010-2013), REV Recreation Group (2014-2017)

YEAR BY YEAR: WHAT CHANGED

2009Introduced
2009Last model year

FINDING ONE

Rare: a handful change hands a year, mostly between owners. Why: only one model year; 17 years out of production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Front-kitchen quad slide with a 37 in living-area LCD and a Silent Plus electronic toilet; longest Diplomat of the Monaco Coach era.

OTHER DIPLOMAT FLOORPLANS

36SKT · 33,000 lb · sleeps 4 38PDD · 33,000 lb · sleeps 4 38PDQ · 33,000 lb · sleeps 6 40DST · 33,000 lb · sleeps 4 40PAQ · 33,000 lb · sleeps 4 40PDQ · 36,000 lb · sleeps 8 40PRQ · 33,000 lb · sleeps 6 41PDQ · 36,000 lb · sleeps 8 43D · 44,600 lb · sleeps 6 43DF · 44,600 lb · sleeps 8 43DFT · 43,000 lb · sleeps 8 43G · 44,600 lb · sleeps 6 43P · 44,600 lb · sleeps 6 43PDQ · 43,000 lb · sleeps 8 the whole line →

Find one for sale

Live listings for the 41SKQ on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

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

Is the 41SKQ your #1, or just a spec sheet?

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.