CamperHardlyKnowHer

KZ Spree S303RL

Travel trailerbuilt 2017–17Mixed build tierFindable on the used market
WHAT ONE COSTS
price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

WHAT IT WEIGHS BEHIND YOUR TRUCK
~8,800 lbestimated as towed, for 2 people

dry weight 7,790 lb + fresh water (40 gal, full) 334 lb + propane + battery 200 lb + gear for 2 600 lb — capped at its own rating. Brochure dry weight omits water, propane, batteries and your gear; this estimate doesn't.

You want a tow rating around9,780 lb (10% margin)
GVWR (the sticker maximum)8,800 lb
Tongue weight, loaded~1,322 lb (15% — high, eats payload)
Cargo capacity1,010 lb
WHICH TOW VEHICLES IT FITS — 38 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 S303RL's published weights held steady.

VEHICLETOW RATINGVERDICT
Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-2613,300 lbfits, loaded, with 10% margin
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
Chevrolet Silverado 1500 (max tow) '14-1812,500 lbfits, loaded, with 10% margin
Chevrolet Silverado EV (4WT) '24-2612,500 lbfits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '24-2613,500 lbfits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '11-1411,300 lbfits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '15-2013,200 lbfits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '21-2314,000 lbfits, loaded, with 10% margin
Ford F-150 Lightning (max trailer tow) '22-2610,000 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) '20-2237,000 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) '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
GMC Sierra EV '24-2612,000 lbfits, loaded, with 10% margin
Jeep Grand Wagoneer (Hurricane, max tow) '22-269,850 lbfits, loaded, with 10% margin
Jeep Wagoneer (Hurricane, max tow) '22-2610,000 lbfits, loaded, with 10% margin
Nissan Titan XD (Cummins diesel) '16-1912,710 lbfits, loaded, with 10% margin
Ram 1500 (3.0 Hurricane, max tow) '25-2611,610 lbfits, loaded, with 10% margin
Ram 1500 (5.7 Hemi eTorque, max tow) '19-2412,750 lbfits, loaded, with 10% margin
Ram 1500 (5.7 Hemi, max tow) '11-1810,620 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
Rivian R1T '22-2611,000 lbfits, loaded, with 10% margin
Tesla Cybertruck '24-2611,000 lbfits, loaded, with 10% margin
Toyota Tundra (5.7 V8, tow pkg) '11-2110,200 lbfits, loaded, with 10% margin
Toyota Tundra (i-Force Max, tow pkg) '22-2612,000 lbfits, loaded, with 10% margin
The 57it doesn't fit
  • Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26over by ~1,870 lb loaded
  • Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22over by ~1,870 lb loaded
  • Chevrolet Suburban (5.3 V8, max tow) '21-26over by ~1,330 lb loaded
  • Chevrolet Tahoe (5.3 V8, max tow) '21-26over by ~1,240 lb loaded
  • Chevrolet Traverse (tow pkg) '18-26over by ~4,300 lb loaded
  • Chrysler Pacifica '17-26over by ~5,560 lb loaded
  • Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26over by ~970 lb loaded
  • Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26over by ~4,750 lb loaded
  • Ford Expedition (3.5 EcoBoost, tow pkg) '18-24over by ~430 lb loaded
  • Ford Expedition (3.5 EcoBoost, tow pkg) '25-26over by ~160 lb loaded
  • Ford Explorer (3.0 EcoBoost, tow pkg) '20-26over by ~3,760 lb loaded
  • Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26over by ~5,200 lb loaded
  • Ford Ranger (2.3 EcoBoost, tow pkg) '19-23over by ~2,050 lb loaded
  • Ford Ranger (2.7 EcoBoost, tow pkg) '24-26over by ~2,050 lb loaded
  • Ford Transit (HD tow pkg) '15-26over by ~2,590 lb loaded
  • GMC Acadia (tow pkg) '20-26over by ~4,300 lb loaded
  • GMC Hummer EV Pickup '22-26over by ~2,050 lb loaded
  • GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26over by ~1,240 lb loaded
  • Honda Odyssey '18-26over by ~5,650 lb loaded
  • Honda Passport (AWD) '19-26over by ~4,300 lb loaded
  • Honda Pilot (AWD, tow pkg) '16-26over by ~4,300 lb loaded
  • Honda Ridgeline (AWD) '17-26over by ~4,300 lb loaded
  • Hyundai Palisade (tow pkg) '20-26over by ~4,300 lb loaded
  • Hyundai Santa Cruz (2.5T AWD) '22-26over by ~4,300 lb loaded
  • Jeep Gladiator (3.6 V6, max tow) '20-26over by ~1,870 lb loaded
  • Jeep Grand Cherokee (5.7 Hemi) '11-21over by ~2,320 lb loaded
  • Jeep Grand Cherokee (WL, tow pkg) '22-26over by ~3,220 lb loaded
  • Jeep Grand Cherokee L (5.7 Hemi) '21-26over by ~2,320 lb loaded
  • Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26over by ~5,650 lb loaded
  • Kia Telluride (tow pkg) '20-26over by ~3,850 lb loaded
  • Land Rover Defender '20-26over by ~1,420 lb loaded
  • Land Rover Discovery '17-26over by ~1,420 lb loaded
  • Lexus GX 550 (tow pkg) '24-26over by ~615 lb loaded
  • Lexus LX 600 '22-26over by ~1,600 lb loaded
  • Mazda CX-90 (3.3 turbo, tow pkg) '24-26over by ~4,300 lb loaded
  • Mercedes-Benz Sprinter '19-26over by ~2,050 lb loaded
  • Nissan Armada (3.5 twin-turbo, tow pkg) '25-26over by ~1,150 lb loaded
  • Nissan Armada (tow pkg) '17-24over by ~1,150 lb loaded
  • Nissan Frontier (3.8 V6, tow pkg) '22-26over by ~2,365 lb loaded
  • Nissan Pathfinder (tow pkg) '22-26over by ~3,400 lb loaded
  • Nissan Titan (5.6 V8, tow pkg) '17-24over by ~15 lb loaded
  • Ram ProMaster '14-26over by ~2,580 lb loaded
  • Rivian R1S '22-26over by ~1,870 lb loaded
  • Subaru Ascent '19-26over by ~4,300 lb loaded
  • Subaru Outback (XT / Wilderness) '20-26over by ~5,650 lb loaded
  • Tesla Model X (tow pkg) '16-26over by ~4,300 lb loaded
  • Tesla Model Y (tow pkg) '21-26over by ~5,650 lb loaded
  • Toyota 4Runner (4.0 V6) '11-24over by ~4,300 lb loaded
  • Toyota 4Runner (i-Force Max) '25-26over by ~3,400 lb loaded
  • Toyota Grand Highlander (i-Force Max) '24-26over by ~4,300 lb loaded
  • Toyota Highlander (tow pkg) '20-26over by ~4,300 lb loaded
  • Toyota Land Cruiser (i-Force Max) '24-26over by ~3,400 lb loaded
  • Toyota Sequoia (i-Force Max, tow pkg) '23-26over by ~230 lb loaded
  • Toyota Sienna '21-26over by ~5,650 lb loaded
  • Toyota Tacoma (i-Force Max, tow pkg) '24-26over by ~2,950 lb loaded
  • Toyota Tacoma (V6, tow pkg) '16-23over by ~2,680 lb loaded
  • Volkswagen Atlas (tow pkg) '18-26over by ~4,300 lb loaded
THE SPECS
Length34.5 ft
Height (incl. A/C)11.2 ft
Width8.0 ft
Interior height6.8 ft
GVWR8,800 lb
Dry weight7,790 lb
Dry tongue weight1,170 lb
Cargo capacity1,010 lb
Sleeps6
Slide-outs3
Axles2
Fresh water40 gal
Grey water32 gal
Black water32 gal
Air conditioning13,500 BTU
Awning21 ft

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

WHERE PEOPLE SLEEP
  • Front queen bed(Permanent)60×80
  • 70" sofa(Convertible)
  • 93" U-dinette(Convertible)
HOW IT'S BUILT — 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

KZ (Mixed tier): KZ (Shipshewana, Indiana; a Thor Industries subsidiary) pitched Spree as its "luxury lightweight" travel trailer, and the build was genuinely a step above the budget tier — aluminum-framed laminated gelcoat fiberglass walls, a 3/8" walk-on roof and a heated, enclosed underbelly, all backed by KZ's 2-year hitch-to-bumper warranty. Unit-to-unit consistency was the weak spot, which is the usual KZ story, and the line was retired after 2018 when Connect and Escape took over the segment.

YEAR BY YEAR — WHAT CHANGED
  • 2017Introduced as the renamed 304RL
  • 2018Dropped
FINDING ONE

Findable — a few listed nationwide most weeks. Why: KZ is a volume manufacturer; only one model year. Estimated from build volume and production span — not a count of live listings.

THE READ

Triple-slide rear living room with an island; thin cargo margin at 1,010 lb.

OTHER SPREE FLOORPLANS
Is the S303RL 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 and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

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