
Keystone Cougar 368MBI
The Keystone Cougar 368MBI features a unique mid-bunk floorplan with a separate bunkhouse room. Large holding tanks and a spacious layout make it great for extended family camping.
MSRP from
$68,000
$$ Mid-Range
Specifications
Length
40 ft
Weight
12,500 lbs
Sleeps
8
Fresh Water
60 gal
Gray Water
72 gal
Black Water
48 gal
Features
Highlights
What Owners Say
Based on 2,700 online discussions
The Keystone Cougar 368MBI is a mid-bunk family fifth wheel built around one of the most practical layouts in RVing. The mid-room bunk area plus a queen pull-out sofa effectively gives you a second bedroom, so two groups of kids — or kids and visiting grandparents — each get their own zone. It sleeps eight for real, has a cozy residential living space (owners love the fireplace), and delivers a lot of family rig for around $68K, undercutting comparable Grand Design and Montana bunk models.
The practical realities are important. This is a heavy fifth wheel — roughly 11,900 lbs dry with a GVWR near 13,980 and loaded pin weight around 2,800 lbs — which means most owners conclude you want a one-ton truck, ideally a dually, rather than a 3/4-ton once you add passengers and cargo. The other defining issue, repeated across years of Keystone forum threads, is air conditioning: cooling is widely called inadequate, and the mid-bunk in particular gets almost no cold air through its single small vent, so kids bake on hot nights. Owners also report A/C duct leaks in the roof, a bedroom slide that can leak in the rain, a leaky bathroom skylight, and floor flex over the heating ducts in the kitchen area. None are necessarily dealbreakers, but they mean a careful inspection and a cooling plan.
The 368MBI is for the larger family that genuinely needs the mid-bunk's two-bedroom flexibility and has (or will buy) a one-ton to tow it. Against a Rockwood Ultra Lite 2891BH, the Cougar is bigger and more residential but heavier and harder to tow, where the lighter Rockwood is the choice for families avoiding a dually. Against a Grand Design Reflection or Solitude bunk model, the Cougar wins on price and undercuts them, while Grand Design wins on build reputation and resale. Buy it for the floorplan and the value — just go in planning to add cooling to the bunks and to weigh your rig loaded.
What Owners Love
- The mid-bunk floorplan is the family star — a private mid-room plus a queen pull-out sofa that effectively creates a second bedroom, so two sets of kids or guests have their own space
- Sleeps eight comfortably for a real family vacation rig without going full toy-hauler bulk
- Owners praise the fireplace and the cozy, residential feel of the main living area
- Big, livable layout with the space and storage families actually need for week-long trips
Common Complaints
- This is a heavy rig — roughly 11,900 lbs dry, ~13,980 GVWR, with loaded pin weight near 2,800 lbs that pushes most owners into one-ton dually territory
- Air conditioning is the loudest, most persistent complaint — owners across model years say cooling is inadequate, especially the bunkroom and mid-bunk
- The mid-bunk gets almost no cold air — a single small ceiling vent and a 3-inch duct, so kids roast on hot nights
- Multiple A/C duct leaks reported between the ceiling and roof from how the ducting was installed at the factory
Frequently Asked Questions
Compare the Keystone Cougar 368MBI
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