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Winnebago Sunstar 31B

Class Abuilt 2020– (in production)Mixed build tierFindable on the used market
WHAT ONE COSTS
$214,000MSRP today

Still in production. A used 2023 would run roughly $126,300.

THE SPECS
Length31.2 ft
Height (incl. A/C)12.2 ft
Width8.7 ft
Interior height6.8 ft
GVWR22,000 lb
Dry weightnot published
Sleeps7
Slide-outs1
Fresh water70 gal
Grey water57 gal
Black water41 gal
Air conditioning15,000 BTU
Awning19 ft
Fuel80 gal
Engine / chassisFord F53, 7.3L PFI V8 gas, TorqShift 6-speed automatic (26,000-lb GCWR)
Generator4,000-watt gas (5,500-watt with Cooling Upgrade)

A missing row means the maker never published that figure: unknown, not zero.

WHERE PEOPLE SLEEP
  • 1× Queen bed(Permanent)60×75
  • 2× Bunk beds(Permanent)30×73
  • 1× Hi-Lo dinette(Convertible)42×73
  • 1× Sofa/bed(Convertible)40×66
  • 1× Powered StudioLoft bed (optional)(Stow-away)48×80
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Winnebago (Mixed tier): Winnebago Motorhomes (Forest City, IA)

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
2020–2218,000 lb—$214,022
2023–22,000 lb—$214,022
  • 2020Earliest model year verified from a Winnebago brochure
  • 2023Not offered
  • 2025Returned on the 22,000-lb F53 chassis, wide-body 8'8.5"
FINDING ONE

Findable: a few listed nationwide most weeks. Why: still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The only bunk-bed Sunstar - sleeps seven in a 31-foot gas coach.

OTHER SUNSTAR FLOORPLANS
26HE · 16,000 lb · sleeps 427N · 18,000 lb · sleeps 527P · 18,000 lb · sleeps 629V · 18,000 lb · sleeps 530T · 18,000 lb · sleeps 531KE · 16,000 lb · sleeps 432M · 18,000 lb · sleeps 632Y · 18,000 lb · sleeps 633K · 22,000 lb · sleeps 634R · 22,000 lb · sleeps 635B · 22,000 lb · sleeps 635F · 22,000 lb · sleeps 635U · 22,000 lb · sleeps 636Y · 22,000 lb · sleeps 6the whole line →
Find one for sale

Live listings for the 31B on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

Inventory varies by site and day. Slim pickings? search the whole Sunstar line ↗

Is the 31B your #1, or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data compiled from manufacturer spec sheets, retrieved 2026-07.