2018 Keystone Montana 3791RD — Should You Buy One?
Typical asking price: $48,000–$68,000. This is one of the more reliable vehicles in its class — here's what to watch for anyway.
Kestrel Take
One of the best-selling luxury fifth wheels — the Montana offers residential features and roomy floorplans for full-time or extended living at a strong value. Keystone build quality is decent for the price, but water intrusion, slides, and tire/axle condition are the watch-items on any big fifth wheel. A dry, well-maintained Montana is a lot of comfortable rig for the money; the roof/seal and slide inspection is the whole ballgame.
What we checked
Not checked against public records
Motorhomes are in NHTSA’s database and we intend to use it. We have not switched it on yet because recall notices name sub-brands and floorplans rather than the model we key on, and folding them in carelessly would put another coach’s recall on this page. What follows is our own write-up, and it has not been reconciled against an official record. Treat it as a starting point, not a verdict.
Known Issues for the 2018 Keystone Montana 3791RD
Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.
Operate every slide fully; check motors, gears, and seals — big fifth wheels have several.
Repair cost (estimate): $300-$3,000
Source: not yet checked against public records.
Walk-Away Red Flags
- ✗Water stains / soft roof
- ✗Slides that bind or leak
- ✗Old-date-code tires / worn axles
- ✗Non-working appliances
Good Signs
- ✓Dry, intact roof and seals
- ✓All slides operate
- ✓Fresh tires, serviced axles/brakes
More from Keystone
Similar rvs & motorhomes
Also in the guide: Vans (Cargo & Passenger)
Also in the guide: Trailers & Campers
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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.
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