As Wyoming’s #1 Grand Design Dealer, Sonny’s RVs is proud to offer the 2023 Grand Design Reflection 337RLS, one of the most sought-after mid-profile fifth wheels on the market. Known for exceptional construction, residential comfort, and long-term durability, Grand Design continues to lead the industry — and Sonny’s RVs in Casper, WY is your top destination to shop, compare, and purchase Reflection models with confidence.
The Reflection 337RLS remains a top choice for RVers seeking true residential comfort in a mid-profile fifth wheel. With its spacious living room, large kitchen, and premium seating, this model feels like a luxury apartment on wheels. The front bedroom, generous storage, and optional residential refrigerator also make the 337RLS a standout for seasonal travelers and full-time explorers across Wyoming and the Mountain West. Grand Design’s strong reputation for quality and reliability further elevates the 337RLS to a class-leading fifth wheel.
Buying used from Sonny’s RVs in Casper, WY means choosing a dealership known for integrity, experience, and true customer care. As a family-owned Wyoming RV dealership, we inspect every pre-owned RV carefully and stand behind the units we sell. Our team knows fifth wheels, Grand Design products, and real-world travel conditions better than anyone — because we live the lifestyle right alongside our customers.
When you purchase a used RV from Sonny’s RVs, you get fair pricing, expert guidance, and long-term service support from RVTI-certified technicians. We’re committed to making the buying process simple and enjoyable, providing a no-pressure environment where you can find the right RV for your adventures.
We proudly serve RV shoppers from Casper, Douglas, Glenrock, Wheatland, Riverton, Gillette, Sheridan, and across the state — making Sonny’s RVs the top destination in Wyoming for used fifth wheels and Grand Design RVs.
Get fast approvals and great rates from trusted lenders.
Apply for RV Financing
Upgrading? Trade in your current RV, fifth wheel, or toy hauler.
Get Your Trade Value
Experience the comfort, build quality, and long-term reliability that make the 2023 Grand Design Reflection 337RLS a top choice among Wyoming RV travelers. Visit Sonny’s RVs in Casper, WY today to explore the Reflection lineup and discover why we remain Wyoming’s #1 Grand Design Dealer for fifth wheels, toy haulers, and luxury RVs. Your next adventure starts here.
Information and features are based on manufacturer data and may vary from the actual unit. Sonny’s RVs is not responsible for errors or omissions. Prices and availability may change without notice. Buyers must verify all details, features, and conditions with a Sonny’s RVs sales representative before purchase.
| Stock # | U23-8943 |
| Location | Sonnys RVS |
| Year | 2023 |
| Make | Grand Design |
| Model | Reflection |
| Trim | 337rls |
| Condition | USED |
| Status | In Stock |
As Wyoming’s #1 Grand Design Dealer, Sonny’s RVs is proud to offer the 2023 Grand Design Reflection 337RLS, one of the most sought-after mid-profile fifth wheels on the market. Known for exceptional construction, residential comfort, and long-term durability, Grand Design continues to lead the industry — and Sonny’s RVs in Casper, WY is your top destination to shop, compare, and purchase Reflection models with confidence.
The Reflection 337RLS remains a top choice for RVers seeking true residential comfort in a mid-profile fifth wheel. With its spacious living room, large kitchen, and premium seating, this model feels like a luxury apartment on wheels. The front bedroom, generous storage, and optional residential refrigerator also make the 337RLS a standout for seasonal travelers and full-time explorers across Wyoming and the Mountain West. Grand Design’s strong reputation for quality and reliability further elevates the 337RLS to a class-leading fifth wheel.
Buying used from Sonny’s RVs in Casper, WY means choosing a dealership known for integrity, experience, and true customer care. As a family-owned Wyoming RV dealership, we inspect every pre-owned RV carefully and stand behind the units we sell. Our team knows fifth wheels, Grand Design products, and real-world travel conditions better than anyone — because we live the lifestyle right alongside our customers.
When you purchase a used RV from Sonny’s RVs, you get fair pricing, expert guidance, and long-term service support from RVTI-certified technicians. We’re committed to making the buying process simple and enjoyable, providing a no-pressure environment where you can find the right RV for your adventures.
We proudly serve RV shoppers from Casper, Douglas, Glenrock, Wheatland, Riverton, Gillette, Sheridan, and across the state — making Sonny’s RVs the top destination in Wyoming for used fifth wheels and Grand Design RVs.
Get fast approvals and great rates from trusted lenders.
Apply for RV Financing
Upgrading? Trade in your current RV, fifth wheel, or toy hauler.
Get Your Trade Value
Experience the comfort, build quality, and long-term reliability that make the 2023 Grand Design Reflection 337RLS a top choice among Wyoming RV travelers. Visit Sonny’s RVs in Casper, WY today to explore the Reflection lineup and discover why we remain Wyoming’s #1 Grand Design Dealer for fifth wheels, toy haulers, and luxury RVs. Your next adventure starts here.
| General | |
|---|---|
| Class | Fifth Wheel |
| Secondary Category | Rear Living Room |
| Other Specifications | |
|---|---|
| Wheels Composition | Aluminum |
| Number Of Axles | 2 |
| Rear Tire Full Spec | E Rated Nitrogen Filled Radial |
| Front Brake Type | Not Applicable |
| Rear Brake Type | Electric Drum |
| Length (FT/IN) | 35' 5 ft" |
| Gross Weight Rating (LB/KG) | 13,995 lbs. LBS |
| Number Of Propane Tanks | 2 |
| Total Propane Tank Capacity (GAL/LBS) | 14.2 gal.60 lbs. |
| Body Material | Aluminum |
| Sidewall Construction | Fiberglass |
| Number Of Doors | 1 |
| Sliding Glass Door | No |
| Number Of Slideouts | 3 |
| Power Retractable Slideout | Yes |
| Awning Length (FT/M) | 16 ft. (192 in.) |
| Power Retractable Awning | Yes |
| Screened Room | No |
| Leveling Jack Type | Front Power / Rear Power |
| Generic Type Primary | Fifth Wheel |
| Kitchen Table Configuration | Bench Seats |
| Kitchen Location | Center |
| Living Area Location | Rear |
| Number Of Oven Burners | 3 |
| Overhead Fan | Yes |
| Layout | Oven / Stove |
| Refrigerator Size | Full-Size |
| Refrigerator Power Mode | Electric / Propane |
| Number Of Sofas | 1 |
| Sofa Material | Vinyl |
| Reclining Sofa | No |
| Number Of Recliner Rockers | 2 |
| Max Sleeping Count | 6 |
| Number Of Bunk Beds | 0 |
| Number Of Double Beds | 0 |
| Number Of Full Size Beds | 0 |
| Number Of Queen Size Beds | 1 |
| Number Of King Size Beds | 1 |
| Number Of Convertible Sofa Beds | 2 |
| Master Bedroom Flooring Type | Carpet |
| Master Bedroom Door Style | Conventional Door |
| Full Size Master Bedroom Closet | Yes |
| Master Bedroom Mirror Doors | Yes |
| Master Bedroom Shades/Curtains | Yes |
| Master Bedroom Location | Front |
| Bunkhouse | No |
| Heated | No |
| Number Of Bathrooms | 1 |
| Bathroom Flooring Type | Vinyl |
| Bathroom Location | Center |
| Toilet Type | Porcelain |
| Door Type | Plastic / Glass |
| Bathroom Medicine Cabinet | Center |
| Bathroom Mirror | Center |
| Bathroom Vent Fan System | Center |
| Battery Power Converter | Yes |
| Air Conditioning Prewiring | Yes |
| Cable Prewiring | Yes |
| Phone Prewiring | No |
| Heat Prewiring | Yes |
| TV Antenna Prewiring | Yes |
| Satellite Prewiring | Yes |
| Washer/Dryer Prewiring | Yes |
| Number Of Emergency Exits | 1 |
| Air Conditioning Type | Automatic |
| Heater Type | Automatic |
| Water Heater Pump Power Mode | Electrical / Propane |
| Water Heater Tank Bypass | Yes |
| Satellite | No |
| Number Of Radios | 1 |
| Surround Sound | Yes |
| Number Of Discs | 1 |
| Number Of Televisions | 1 |
| Rear Video Backup Camera | Yes |
| Metallic | No |
| Wallpaper | Yes |
| Interior Wood Finish | Yes |
| Spec | 90831 |
| Type | Fifth Wheel |
| Size (IN/CM) | 5.1 |
| Shower | Center |
| Heater | 35,000 BTUs |
| Air Conditioning | 15,000 BTUs*BTUs may be combin |
| Awning | 1 |
| Hitch Weight (KG) | 2,205 lbs. LBS |
| Height (IN) | 12.5 ft. (150 in.) |
| Payload Capacity (KG) | 3,118 lbs. |
| Dry Weight (LBS) | 10,877 lbs. LBS |
| Hot Deals |
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