Keystone Retreat 391MBNK
Travel trailerbuilt 2020–24Mixed build tierCommon on the used market
WHAT ONE COSTS
$38,400est. used (2024, 2 yr old)
Sticker was $56,279 in 2023. Out of production since 2024, so the used market is the only way to buy one. Estimate assumes a 2024 unit.
WHAT IT WEIGHS BEHIND YOUR TRUCK
~13,132 lbestimated as towed, for 2 people
dry weight 11,890 lb + fresh water (53 gal, full) 442 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 around14,595 lb (10% margin)
GVWR (the sticker maximum)13,190 lb
Tongue weight, loaded~1,480 lb (11%)
Cargo capacity1,300 lb
WHICH TOW VEHICLES IT FITS: 19 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 391MBNK's published weights held steady.
The 76it doesn't fit
- Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26: over by ~6,202 lb loaded
- Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22: over by ~6,202 lb loaded
- Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-26: over by ~1,162 lb loaded
- Chevrolet Silverado 1500 (max tow) '14-18: over by ~1,882 lb loaded
- Chevrolet Silverado EV (4WT) '24-26: over by ~1,882 lb loaded
- Chevrolet Suburban (5.3 V8, max tow) '21-26: over by ~5,662 lb loaded
- Chevrolet Tahoe (5.3 V8, max tow) '21-26: over by ~5,572 lb loaded
- Chevrolet Traverse (tow pkg) '18-26: over by ~8,632 lb loaded
- Chrysler Pacifica '17-26: over by ~9,892 lb loaded
- Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26: over by ~5,302 lb loaded
- Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26: over by ~9,082 lb loaded
- Ford Expedition (3.5 EcoBoost, tow pkg) '25-26: over by ~4,492 lb loaded
- Ford Expedition (3.5 EcoBoost, tow pkg) '18-24: over by ~4,762 lb loaded
- Ford Explorer (3.0 EcoBoost, tow pkg) '20-26: over by ~8,092 lb loaded
- Ford F-150 (3.5 EcoBoost, max tow) '24-26: over by ~982 lb loaded
- Ford F-150 (3.5 EcoBoost, max tow) '15-20: over by ~1,252 lb loaded
- Ford F-150 (3.5 EcoBoost, max tow) '21-23: over by ~532 lb loaded
- Ford F-150 (3.5 EcoBoost, max tow) '11-14: over by ~2,962 lb loaded
- Ford F-150 Lightning (max trailer tow) '22-26: over by ~4,132 lb loaded
- Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26: over by ~9,532 lb loaded
- Ford Ranger (2.3 EcoBoost, tow pkg) '19-23: over by ~6,382 lb loaded
- Ford Ranger (2.7 EcoBoost, tow pkg) '24-26: over by ~6,382 lb loaded
- Ford Transit (HD tow pkg) '15-26: over by ~6,922 lb loaded
- GMC Acadia (tow pkg) '20-26: over by ~8,632 lb loaded
- GMC Hummer EV Pickup '22-26: over by ~6,382 lb loaded
- GMC Sierra EV '24-26: over by ~2,332 lb loaded
- GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26: over by ~5,572 lb loaded
- Honda Odyssey '18-26: over by ~9,982 lb loaded
- Honda Passport (AWD) '19-26: over by ~8,632 lb loaded
- Honda Pilot (AWD, tow pkg) '16-26: over by ~8,632 lb loaded
- Honda Ridgeline (AWD) '17-26: over by ~8,632 lb loaded
- Hyundai Palisade (tow pkg) '20-26: over by ~8,632 lb loaded
- Hyundai Santa Cruz (2.5T AWD) '22-26: over by ~8,632 lb loaded
- Jeep Gladiator (3.6 V6, max tow) '20-26: over by ~6,202 lb loaded
- Jeep Grand Cherokee (5.7 Hemi) '11-21: over by ~6,652 lb loaded
- Jeep Grand Cherokee (WL, tow pkg) '22-26: over by ~7,552 lb loaded
- Jeep Grand Cherokee L (5.7 Hemi) '21-26: over by ~6,652 lb loaded
- Jeep Grand Wagoneer (Hurricane, max tow) '22-26: over by ~4,267 lb loaded
- Jeep Wagoneer (Hurricane, max tow) '22-26: over by ~4,132 lb loaded
- Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26: over by ~9,982 lb loaded
- Kia Telluride (tow pkg) '20-26: over by ~8,182 lb loaded
- Land Rover Defender '20-26: over by ~5,752 lb loaded
- Land Rover Discovery '17-26: over by ~5,752 lb loaded
- Lexus GX 550 (tow pkg) '24-26: over by ~4,947 lb loaded
- Lexus LX 600 '22-26: over by ~5,932 lb loaded
- Mazda CX-90 (3.3 turbo, tow pkg) '24-26: over by ~8,632 lb loaded
- Mercedes-Benz Sprinter '19-26: over by ~6,382 lb loaded
- Nissan Armada (3.5 twin-turbo, tow pkg) '25-26: over by ~5,482 lb loaded
- Nissan Armada (tow pkg) '17-24: over by ~5,482 lb loaded
- Nissan Frontier (3.8 V6, tow pkg) '22-26: over by ~6,697 lb loaded
- Nissan Pathfinder (tow pkg) '22-26: over by ~7,732 lb loaded
- Nissan Titan (5.6 V8, tow pkg) '17-24: over by ~4,347 lb loaded
- Nissan Titan XD (Cummins diesel) '16-19: over by ~1,692 lb loaded
- Ram 1500 (3.0 Hurricane, max tow) '25-26: over by ~2,682 lb loaded
- Ram 1500 (5.7 Hemi eTorque, max tow) '19-24: over by ~1,657 lb loaded
- Ram 1500 (5.7 Hemi, max tow) '11-18: over by ~3,572 lb loaded
- Ram ProMaster '14-26: over by ~6,912 lb loaded
- Rivian R1S '22-26: over by ~6,202 lb loaded
- Rivian R1T '22-26: over by ~3,232 lb loaded
- Subaru Ascent '19-26: over by ~8,632 lb loaded
- Subaru Outback (XT / Wilderness) '20-26: over by ~9,982 lb loaded
- Tesla Cybertruck '24-26: over by ~3,232 lb loaded
- Tesla Model X (tow pkg) '16-26: over by ~8,632 lb loaded
- Tesla Model Y (tow pkg) '21-26: over by ~9,982 lb loaded
- Toyota 4Runner (4.0 V6) '11-24: over by ~8,632 lb loaded
- Toyota 4Runner (i-Force Max) '25-26: over by ~7,732 lb loaded
- Toyota Grand Highlander (i-Force Max) '24-26: over by ~8,632 lb loaded
- Toyota Highlander (tow pkg) '20-26: over by ~8,632 lb loaded
- Toyota Land Cruiser (i-Force Max) '24-26: over by ~7,732 lb loaded
- Toyota Sequoia (i-Force Max, tow pkg) '23-26: over by ~4,562 lb loaded
- Toyota Sienna '21-26: over by ~9,982 lb loaded
- Toyota Tacoma (i-Force Max, tow pkg) '24-26: over by ~7,282 lb loaded
- Toyota Tacoma (V6, tow pkg) '16-23: over by ~7,012 lb loaded
- Toyota Tundra (5.7 V8, tow pkg) '11-21: over by ~3,952 lb loaded
- Toyota Tundra (i-Force Max, tow pkg) '22-26: over by ~2,332 lb loaded
- Volkswagen Atlas (tow pkg) '18-26: over by ~8,632 lb loaded
These verdicts assume 2 people aboard with typical gear. See the margin for your truck and your crew →
THE SPECS
Length39.8 ft
Height (incl. A/C)12.6 ft
Width8.5 ft
GVWR13,190 lb
Dry weight11,890 lb
Dry tongue weight1,340 lb
Cargo capacity1,300 lb
Sleeps7
Slide-outs4
Axles2
Fresh water53 gal
Grey water78 gal
Black water39 gal
Air conditioning15,000 BTU
A missing row means the maker never published that figure: unknown, not zero.
WHERE PEOPLE SLEEP
- 1× King bed(Permanent)72×80
- 2× Mid bunk beds(Permanent)—
- 1× 72-inch sleeper sofa(Convertible)—
HOW IT'S BUILT: 2/5
WallsLaminated fiberglass
FrameWood
RoofStandard
UnderbellyEnclosed
Keystone (Mixed tier): Retreat Destination Trailer
YEAR BY YEAR: WHAT CHANGED
- 2020Introduced
FINDING ONE
Common: usually several for sale within a day’s drive. Why: Keystone is a volume manufacturer. Estimated from build volume and production span, not a count of live listings.
OUR TAKE
Laminated-sidewall mid-bunk family plan.
OTHER RETREAT FLOORPLANS
391CLDL · 15,790 lb · sleeps 9391FDEN · 13,200 lb · sleeps 4391FKSS · 13,350 lb · sleeps 4391FLFT · 14,000 lb · sleeps 7391FLRS · 13,400 lb · sleeps 4391FLSL · 15,655 lb · sleeps 6391FSRL · 15,700 lb · sleeps 8391HBDL · 15,655 lb · sleeps 9391LOFT · 13,925 lb · sleeps 6391MKTS · 13,925 lb · sleeps 4391RDEN · 13,470 lb · sleeps 6391RS · 15,655 lb · sleeps 439CLDL · 15,772 lb · sleeps 939FDEN · 13,200 lb · sleeps 4the whole line →
Find one for sale
Live listings for the 391MBNK on the big marketplaces. Each search opens pre-filled with this exact floorplan:
Inventory varies by site and day. Slim pickings? search the whole Retreat line ↗
Is the 391MBNK 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.