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Grand Design Solitude 414LJMJ

Fifth wheelbuilt 2026– (in production)Better build tierPatient search on the used market
WHAT ONE COSTS
$203,900MSRP today

Still in production. A used 2023 would run roughly $120,300.

WHAT IT WEIGHS BEHIND YOUR TRUCK
~20,492 lbestimated as towed, for 2 people

dry weight 19,000 lb + fresh water (83 gal, full) 692 lb + propane + battery 200 lb + gear for 2 600 lb. Brochure dry weight omits water, propane, batteries and your gear; this estimate doesn't.

You want a tow rating around22,770 lb (10% margin)
GVWR (the sticker maximum)23,500 lb
Tongue weight, loaded~3,451 lb (17%)
WHICH TOW VEHICLES IT FITS: 11 OF 95

Judged the way the app judges: estimated loaded weight against each vehicle's rating less a 10% margin, per model year, because the 414LJMJ's published weights held steady. Fifth wheels also need a pickup bed and are held to the fifth-wheel rating where published.

VEHICLETOW RATINGVERDICT
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '20-2636,000 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '11-1923,300 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, gooseneck) '20-2222,800 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 HO diesel, gooseneck) '23-2623,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '17-1932,500 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '20-2237,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2638,000 lbfits, loaded, with 10% margin
Ford F-450 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2640,000 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins DRW, gooseneck) '13-1831,210 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '25-2636,610 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '19-2437,090 lbfits, loaded, with 10% margin
The 84it doesn't fit

These verdicts assume 2 people aboard with typical gear. See the margin for your truck and your crew →

THE SPECS
Length42.8 ft
Height (incl. A/C)13.4 ft
Width8.4 ft
GVWR23,500 lb
Dry weight19,000 lb
Dry tongue weight3,200 lb
Sleeps6
Slide-outs4
Fresh water83 gal
Grey water159 gal
Black water106 gal
Air conditioning15,000 BTU
Solar (standard)330 W

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

WHERE PEOPLE SLEEP
  • Front queen bed, king optional(Permanent)60×80
  • Bunk(Permanent)38×74
  • Bunk(Permanent)36×74
  • Tri-fold hide-a-bed sofa(Convertible)
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Grand Design (Better tier): Solitude is Grand Design's full-profile flagship: R-11 welded-aluminum laminated walls, 101" widebody chassis, MORryde independent suspension and 17.5" H-rated tires — genuine full-time-capable construction.

YEAR BY YEAR: WHAT CHANGED
  • 2026Introduced
FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: only one model year; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Heaviest and most expensive Solitude — 23,500 lb GVWR puts it firmly in dually territory.

OTHER SOLITUDE FLOORPLANS
Find one for sale

Live listings for the 414LJMJ on the big marketplaces. Each search opens pre-filled with this exact floorplan:

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

Is the 414LJMJ 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 manufacturer spec sheets, retrieved 2026-07.