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Winnebago Spyder S35SGT

Travel trailerbuilt 2020–21Mixed build tierFindable on the used market
WHAT ONE COSTS
$42,400est. used (2021, 5 yr old; from 9 priced floorplans of this line)
WHAT IT WEIGHS BEHIND YOUR TRUCK
12,995 lbno dry weight published: its rating stands in
You want a tow rating around14,440 lb (10% margin)
GVWR (the sticker maximum)12,995 lb
WHICH TOW VEHICLES IT FITS: 19 OF 95

Judged the way the app judges: estimated loaded weight against each vehicle's rating less a 10% margin, per model year, because the S35SGT's published weights changed mid-run.

VEHICLETOW RATINGVERDICT
Chevrolet Silverado / GMC Sierra 2500HD (Duramax, max tow) '24-2622,500 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '20-2318,510 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '11-1918,100 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '20-2636,000 lbfits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '11-1923,300 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, gooseneck) '20-2222,800 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, tow pkg) '17-1918,000 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel) '11-1616,600 lbfits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 HO diesel, gooseneck) '23-2623,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '17-1932,500 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '20-2237,000 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '11-1621,600 lbfits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2638,000 lbfits, loaded, with 10% margin
Ford F-450 Super Duty (6.7 HO diesel DRW, gooseneck) '23-2640,000 lbfits, loaded, with 10% margin
Ram 2500 (6.7 Cummins HO) '19-2620,000 lbfits, loaded, with 10% margin
Ram 2500 (6.7 Cummins) '11-1817,980 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins DRW, gooseneck) '13-1831,210 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '25-2636,610 lbfits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '19-2437,090 lbfits, loaded, with 10% margin
The 76it doesn't fit

These verdicts assume 2 people aboard with typical gear. See the margin for your truck and your crew →

THE SPECS
Length41.0 ft
Height (incl. A/C)12.8 ft
Width8.5 ft
GVWR12,995 lb
Dry weightnot published
Sleeps11
Slide-outs1
Axles2
Fresh water100 gal
Grey water50 gal
Black water50 gal
Air conditioning15,000 BTU

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

WHERE PEOPLE SLEEP
  • 1× Front queen bed (72×80 king optional)(Permanent)60×80
  • 1× Optional HappiJac drop-down queen over the garage(Stow-away)60×80
  • 1× Garage dinette(Convertible)—
  • 1× Garage sofa(Convertible)—
HOW IT'S BUILT: 5/5
WallsAzdel composite
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Winnebago (Mixed tier): Winnebago Industries

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
202012,995 lb——
202112,995 lb——
  • 2020Introduced
  • 2021Sleeping capacity raised from 10 to 11
FINDING ONE

Findable: a few listed nationwide most weeks. Why: only 2 model years. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Highest sleeping count of the Spyder travel trailers, but Winnebago printed 'TBD' for its length, dry weight and tongue weight and never published them. The 41 ft length is inferred from the sibling floorplans' box-code-to-overall pattern — verify at the dealer.

OTHER SPYDER FLOORPLANS
24FQ · 10,400 lb · sleeps 628SC · 12,000 lb · sleeps 1029KS · 12,400 lb · sleeps 832SC · 13,825 lb · sleeps 10S23FB · 11,300 lb · sleeps 6S29SFW · 16,000 lb · sleeps 8S29STT · 12,995 lb · sleeps 8S30MAX · 12,995 lb · sleeps 8S36GWS · 16,000 lb · sleeps 10S37BGS · 16,000 lb · sleeps 11the whole line →
Find one for sale

Live listings for the S35SGT 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 Spyder line ↗

Is the S35SGT 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 low-confidence record: figures are inferred and should be independently verified, retrieved 2026-07.