Winnebago Spyder S37BGS

Name: Winnebago Spyder S37BGS
Brand: Winnebago

Travel trailerbuilt 2020–21Mixed build tierFindable on the used market

WHAT ONE COSTS

$44,900est. used (2021, 5 yr old; from 9 priced floorplans of this line)

WHAT IT WEIGHS BEHIND YOUR TRUCK

16,000 lbno dry weight published: its rating stands in

You want a tow rating around17,780 lb (10% margin)

GVWR (the sticker maximum)16,000 lb

WHICH TOW VEHICLES IT FITS: 18 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 S37BGS's published weights changed mid-run.

VEHICLE	TOW RATING	VERDICT
Chevrolet Silverado / GMC Sierra 2500HD (Duramax, max tow) '24-26	22,500 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '20-23	18,510 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 2500HD (Duramax) '11-19	18,100 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '20-26	36,000 lb	fits, loaded, with 10% margin
Chevrolet Silverado / GMC Sierra 3500HD (Duramax DRW, gooseneck) '11-19	23,300 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, gooseneck) '20-22	22,800 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 diesel, tow pkg) '17-19	18,000 lb	fits, loaded, with 10% margin
Ford F-250 Super Duty (6.7 HO diesel, gooseneck) '23-26	23,000 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '17-19	32,500 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '20-22	37,000 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 diesel DRW, gooseneck) '11-16	21,600 lb	fits, loaded, with 10% margin
Ford F-350 Super Duty (6.7 HO diesel DRW, gooseneck) '23-26	38,000 lb	fits, loaded, with 10% margin
Ford F-450 Super Duty (6.7 HO diesel DRW, gooseneck) '23-26	40,000 lb	fits, loaded, with 10% margin
Ram 2500 (6.7 Cummins HO) '19-26	20,000 lb	fits, loaded, with 10% margin
Ram 2500 (6.7 Cummins) '11-18	17,980 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins DRW, gooseneck) '13-18	31,210 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '25-26	36,610 lb	fits, loaded, with 10% margin
Ram 3500 (6.7 Cummins HO DRW, gooseneck) '19-24	37,090 lb	fits, loaded, with 10% margin

The 77it doesn't fit

Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26: over by ~9,070 lb loaded
Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22: over by ~9,070 lb loaded
Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-26: over by ~4,030 lb loaded
Chevrolet Silverado 1500 (max tow) '14-18: over by ~4,750 lb loaded
Chevrolet Silverado EV (4WT) '24-26: over by ~4,750 lb loaded
Chevrolet Suburban (5.3 V8, max tow) '21-26: over by ~8,530 lb loaded
Chevrolet Tahoe (5.3 V8, max tow) '21-26: over by ~8,440 lb loaded
Chevrolet Traverse (tow pkg) '18-26: over by ~11,500 lb loaded
Chrysler Pacifica '17-26: over by ~12,760 lb loaded
Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26: over by ~8,170 lb loaded
Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26: over by ~11,950 lb loaded
Ford Expedition (3.5 EcoBoost, tow pkg) '25-26: over by ~7,360 lb loaded
Ford Expedition (3.5 EcoBoost, tow pkg) '18-24: over by ~7,630 lb loaded
Ford Explorer (3.0 EcoBoost, tow pkg) '20-26: over by ~10,960 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '24-26: over by ~3,850 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '15-20: over by ~4,120 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '21-23: over by ~3,400 lb loaded
Ford F-150 (3.5 EcoBoost, max tow) '11-14: over by ~5,830 lb loaded
Ford F-150 Lightning (max trailer tow) '22-26: over by ~7,000 lb loaded
Ford F-250 Super Duty (6.7 diesel) '11-16: over by ~1,060 lb loaded
Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26: over by ~12,400 lb loaded
Ford Ranger (2.3 EcoBoost, tow pkg) '19-23: over by ~9,250 lb loaded
Ford Ranger (2.7 EcoBoost, tow pkg) '24-26: over by ~9,250 lb loaded
Ford Transit (HD tow pkg) '15-26: over by ~9,790 lb loaded
GMC Acadia (tow pkg) '20-26: over by ~11,500 lb loaded
GMC Hummer EV Pickup '22-26: over by ~9,250 lb loaded
GMC Sierra EV '24-26: over by ~5,200 lb loaded
GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26: over by ~8,440 lb loaded
Honda Odyssey '18-26: over by ~12,850 lb loaded
Honda Passport (AWD) '19-26: over by ~11,500 lb loaded
Honda Pilot (AWD, tow pkg) '16-26: over by ~11,500 lb loaded
Honda Ridgeline (AWD) '17-26: over by ~11,500 lb loaded
Hyundai Palisade (tow pkg) '20-26: over by ~11,500 lb loaded
Hyundai Santa Cruz (2.5T AWD) '22-26: over by ~11,500 lb loaded
Jeep Gladiator (3.6 V6, max tow) '20-26: over by ~9,070 lb loaded
Jeep Grand Cherokee (5.7 Hemi) '11-21: over by ~9,520 lb loaded
Jeep Grand Cherokee (WL, tow pkg) '22-26: over by ~10,420 lb loaded
Jeep Grand Cherokee L (5.7 Hemi) '21-26: over by ~9,520 lb loaded
Jeep Grand Wagoneer (Hurricane, max tow) '22-26: over by ~7,135 lb loaded
Jeep Wagoneer (Hurricane, max tow) '22-26: over by ~7,000 lb loaded
Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26: over by ~12,850 lb loaded
Kia Telluride (tow pkg) '20-26: over by ~11,050 lb loaded
Land Rover Defender '20-26: over by ~8,620 lb loaded
Land Rover Discovery '17-26: over by ~8,620 lb loaded
Lexus GX 550 (tow pkg) '24-26: over by ~7,815 lb loaded
Lexus LX 600 '22-26: over by ~8,800 lb loaded
Mazda CX-90 (3.3 turbo, tow pkg) '24-26: over by ~11,500 lb loaded
Mercedes-Benz Sprinter '19-26: over by ~9,250 lb loaded
Nissan Armada (3.5 twin-turbo, tow pkg) '25-26: over by ~8,350 lb loaded
Nissan Armada (tow pkg) '17-24: over by ~8,350 lb loaded
Nissan Frontier (3.8 V6, tow pkg) '22-26: over by ~9,565 lb loaded
Nissan Pathfinder (tow pkg) '22-26: over by ~10,600 lb loaded
Nissan Titan (5.6 V8, tow pkg) '17-24: over by ~7,215 lb loaded
Nissan Titan XD (Cummins diesel) '16-19: over by ~4,560 lb loaded
Ram 1500 (3.0 Hurricane, max tow) '25-26: over by ~5,550 lb loaded
Ram 1500 (5.7 Hemi eTorque, max tow) '19-24: over by ~4,525 lb loaded
Ram 1500 (5.7 Hemi, max tow) '11-18: over by ~6,440 lb loaded
Ram ProMaster '14-26: over by ~9,780 lb loaded
Rivian R1S '22-26: over by ~9,070 lb loaded
Rivian R1T '22-26: over by ~6,100 lb loaded
Subaru Ascent '19-26: over by ~11,500 lb loaded
Subaru Outback (XT / Wilderness) '20-26: over by ~12,850 lb loaded
Tesla Cybertruck '24-26: over by ~6,100 lb loaded
Tesla Model X (tow pkg) '16-26: over by ~11,500 lb loaded
Tesla Model Y (tow pkg) '21-26: over by ~12,850 lb loaded
Toyota 4Runner (4.0 V6) '11-24: over by ~11,500 lb loaded
Toyota 4Runner (i-Force Max) '25-26: over by ~10,600 lb loaded
Toyota Grand Highlander (i-Force Max) '24-26: over by ~11,500 lb loaded
Toyota Highlander (tow pkg) '20-26: over by ~11,500 lb loaded
Toyota Land Cruiser (i-Force Max) '24-26: over by ~10,600 lb loaded
Toyota Sequoia (i-Force Max, tow pkg) '23-26: over by ~7,430 lb loaded
Toyota Sienna '21-26: over by ~12,850 lb loaded
Toyota Tacoma (i-Force Max, tow pkg) '24-26: over by ~10,150 lb loaded
Toyota Tacoma (V6, tow pkg) '16-23: over by ~9,880 lb loaded
Toyota Tundra (5.7 V8, tow pkg) '11-21: over by ~6,820 lb loaded
Toyota Tundra (i-Force Max, tow pkg) '22-26: over by ~5,200 lb loaded
Volkswagen Atlas (tow pkg) '18-26: over by ~11,500 lb loaded

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

THE SPECS

Length43.4 ft

Height (incl. A/C)13.4 ft

Width8.5 ft

GVWR16,000 lb

Dry weightnot published

Sleeps11

Slide-outs2

Axles2

Fresh water100 gal

Grey water50 gal

Black water100 gal

Air conditioning15,000 BTU

Awning20 ft

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

WHERE PEOPLE SLEEP

1× Front bedroom queen bed (72×80 king optional)(Permanent)60×80
1× Optional HappiJac drop-down queen over the garage(Stow-away)60×80
2× Garage sofas / sofa seat(Convertible)—

HOW IT'S BUILT: 5/5

WallsAzdel composite

FrameAluminum

RoofWalk-on

UnderbellyEnclosed

Winnebago (Mixed tier): Winnebago Industries

YEAR BY YEAR: WHAT CHANGED

YEARS	GVWR	DRY	MSRP
2020	16,000 lb	—	—
2021	16,000 lb	—	—

2020Introduced at 42 ft
2021Length grew to 43 ft 5 in.; sleeping capacity dropped from 12 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

Biggest Spyder ever built — fifth wheel, dual bath, 13-ft garage. Dry and pin weights were listed as TBD in the 2021 brochure.

OTHER SPYDER FLOORPLANS

24FQ · 10,400 lb · sleeps 6 28SC · 12,000 lb · sleeps 10 29KS · 12,400 lb · sleeps 8 32SC · 13,825 lb · sleeps 10 S23FB · 11,300 lb · sleeps 6 S29SFW · 16,000 lb · sleeps 8 S29STT · 12,995 lb · sleeps 8 S30MAX · 12,995 lb · sleeps 8 S35SGT · 12,995 lb · sleeps 11 S36GWS · 16,000 lb · sleeps 10 the whole line →

Find one for sale

Live listings for the S37BGS 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 S37BGS 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 dealer and aggregator listings, retrieved 2026-07.