Used 2020 Keystone RV Montana 3121rl for sale at Blue Fox RV in North Logan, UT. Sleeps 4, 35 ft long, 3 slides. Listed at $48,995.
Listing last updated .
2020 Keystone RV Montana 3121rl
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Built for the road, ready for your next trip.
Keystone Montana fifth wheel 3121RL highlights:
- Hide-a-Bed Sofa
- Dinette w/Chairs
- Kitchen Island
- Coffee Station
- Residential Refrigerator
Watch your favorite show from the power theatre seating or the hide-a-bed sofa while the chef prepares a meal in the full kitchen including an island, a pantry, and a coffee station. The convection microwave will probably be a favorite appliance for many. You will also love your master bedroom with a slide out queen bed or choose an optional king, plus you will have plenty of storage for everything under the bed, within a dresser, and inside the closet up front. There is a space to add a washer/dryer option and the barn door into this room offers style and saves space. You may like to relax outside with protection from two awnings, and the 2" towing hitch might come in handy as well.
When packing for your next trip in a Keystone Montana luxury fifth wheel you will appreciate the enormous drop frame pass-through storage compartment, the full extension drawer guides, the MORyde "Step Above" entry steps with strut assist, and the LED motion sensor light at the inside steps. The Residential Living package adds more upgraded features such as the motion sensor LED light in the bedroom closet, the easy sweep vinyl flooring, the exclusive KeyTV satellite prep, and the in-floor straight line heat duct system. The Four Season Living package provides insulated in-floor water lines, two attic vents for cross-ventilation, insulated and heated holding tanks and dump valves, and more so you can travel any season you like. It's time to find the luxury fifth wheel you can enjoy for years to come, choose a Montana by Keystone today!
Blue Fox Rv
390 W 2500 N North Logan
435-890-4602
Take a look around — literally.
A short tour from our lot. We narrate the build details and the storage you can't see in photos.
All the numbers, sorted.
We grouped the spec sheet into three tabs so you don't have to click open fourteen accordions. Switch between them to find what you need.
Towing & Dimensions 7
Tires & Wheels 9
Quick Overview 8
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VisitNorth Logan, UT 84341
Local. Honest. Built to last.
Most of our buyers come from referrals because we sweat the small stuff after the sale.
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Is the 2020 Keystone RV Montana 3121rl still available?
Yes — as of June 24, 2026, this unit is on our lot in North Logan, UT. Last updated June 23, 2026.
How much is the 2020 Keystone RV Montana 3121rl?
$48,995. With $9,799 down at 6.99% APR over 144 months, that's about $403/mo. We accept trades — talk to us about your current unit when you visit.
What can tow this Keystone RV Montana?
1-ton truck with a proper heavy-duty towing package required — F-350+, Silverado 3500+, Ram 3500+. Dry weight is 11,999 lbs. Hitch/tongue weight is 2,350 lbs.
How many people can sleep in the Montana?
4 people comfortably. Bed configuration: 1 queen, 1 sofa-bed.
What's the warranty?
Basic warranty: 12. We'll go over all coverage details at the walkthrough before delivery.
Can I trade in my current RV?
Yes — we take trades every week, even if you don't buy from us. We'll give you a real offer once we see the RV. Call (435) 317-3625 or fill out the inquiry form below to get started.
How do I schedule a walkthrough?
Call (435) 317-3625, or fill out the inquiry form below. Same-day response during business hours.
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