NEW 2026 Keystone Cougar 28RLI

Rear Living Luxury Fifth Wheel at Sonny’s RVs – Evansville, Wyoming

If you're looking for a perfect balance of luxury, space, and towability, the NEW 2026 Keystone Cougar 28RLI is one of the most well-rounded fifth wheels on the market. Available now (or inbound) at Sonny’s RVs in Evansville, Wyoming, this model delivers residential comfort in a mid-size, half-ton towable design.

With a rear living layout, king bed, and massive kitchen space, the 28RLI is built for travelers who want comfort without stepping into a massive fifth wheel.

Why Choose the 2026 Keystone Cougar 28RLI?

The Keystone Fifth Wheel 28RLI floorplan is designed to maximize living space, kitchen usability, and comfort—making it ideal for couples or extended stays.

This model is getting a lot of attention because it offers:

• Luxury-level kitchen counter space in a mid-size unit
• A true rear living room layout
• A lighter fifth wheel that’s still feature-packed

Highlighted Features

• Rear living room with theater seating & sofa
• Large kitchen island + extended countertop space
• King bed in private front bedroom
• 2 slide-outs for open living space
• Fireplace & entertainment center (select units)
• Tankless on-demand water heater
• 12V refrigerator (10.4 cu ft)
• Dual awnings for outdoor living
• Washer/Dryer prep for extended stays
• Solar prep + modern RV tech packages

Residential Living in a Mid-Size Fifth Wheel

The Cougar 28RLI is all about livability:

• Rear lounge for relaxing or entertaining

• Spacious kitchen with prep space (rare in this size)

• Private bedroom with king bed It’s ideal for:

• Couples wanting more comfort

• Snowbirds or extended travelers

• Buyers upgrading from a travel trailer

Built with Keystone Quality

Keystone’s Cougar line is one of the most popular in the industry for a reason:

• HyperCore™ laminated walls & aluminum frame construction
• Climate Guard™ protection for extended seasons
• Heated and enclosed underbelly for year-round use
• Professional Grade Camping Package with upgraded systems This gives you a fifth wheel that’s durable, comfortable, and built for real travel.

Additional Keystone Cougar Inventory at Sonny's RVs

Shop at Sonny’s RVs

At Sonny’s RVs in Evansville, Wyoming, we carry top-tier brands like Keystone and specialize in helping customers find the perfect RV for their lifestyle.

We offer:

• Financing options (on approved credit)
• Trade-ins welcome
• A large selection of new and used inventory
• Friendly, knowledgeable service

Start Your Next Adventure Today

Don’t miss the NEW 2026 Keystone Cougar 28RLI—a perfect blend of luxury, practicality, and towable size.

Visit Sonny’s RVs in Evansville, Wyoming****Shop online at sonnysrvs.com

Live bigger. Tow smarter. Camp better.

The 2026 Keystone Cougar 28RLI is a mid-size fifth wheel featuring a rear living layout, king bed, large kitchen island, and two slide-outs. With a length of approximately 32 feet and a dry weight around 9,000 lbs, it offers a balance of towability and residential comfort. Available at Sonny’s RVs in Evansville, Wyoming, it’s ideal for couples or travelers seeking a spacious and feature-rich RV for extended adventures.