Gulf Stream Conquest 288ISL

Name: Gulf Stream Conquest 288ISL
Brand: Gulf Stream
Price: 64200 USD

Travel trailerbuilt 2023– (in production)Caution build tierCommon on the used market

WHAT ONE COSTS

$64,200MSRP today

Still in production. A used 2023 would run roughly $33,900.

WHAT IT WEIGHS BEHIND YOUR TRUCK

~7,752 lbestimated as towed, for 2 people

dry weight 6,660 lb + fresh water (35 gal, full) 292 lb + propane + battery 200 lb + gear for 2 600 lb. Brochure dry weight omits water, propane, batteries and your gear; this estimate doesn't.

You want a tow rating around8,615 lb (10% margin)

GVWR (the sticker maximum)8,480 lb

Tongue weight, loaded~1,059 lb (14%)

Cargo capacity1,820 lb

WHICH TOW VEHICLES IT FITS: 44 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 288ISL's published weights held steady.

VEHICLE	TOW RATING	VERDICT
Chevrolet Silverado / GMC Sierra 1500 (6.2 V8, max tow) '19-26	13,300 lb	fits, loaded, with 10% margin
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
Chevrolet Silverado 1500 (max tow) '14-18	12,500 lb	fits, loaded, with 10% margin
Chevrolet Silverado EV (4WT) '24-26	12,500 lb	fits, loaded, with 10% margin
Dodge Durango (5.7 / 6.4 Hemi, tow pkg) '14-26	8,700 lb	fits, loaded, with 10% margin
Ford Expedition (3.5 EcoBoost, tow pkg) '25-26	9,600 lb	fits, loaded, with 10% margin
Ford Expedition (3.5 EcoBoost, tow pkg) '18-24	9,300 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '24-26	13,500 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '15-20	13,200 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '21-23	14,000 lb	fits, loaded, with 10% margin
Ford F-150 (3.5 EcoBoost, max tow) '11-14	11,300 lb	fits, loaded, with 10% margin
Ford F-150 Lightning (max trailer tow) '22-26	10,000 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 diesel) '11-16	16,600 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
GMC Sierra EV '24-26	12,000 lb	fits, loaded, with 10% margin
Jeep Grand Wagoneer (Hurricane, max tow) '22-26	9,850 lb	fits, loaded, with 10% margin
Jeep Wagoneer (Hurricane, max tow) '22-26	10,000 lb	fits, loaded, with 10% margin
Lexus GX 550 (tow pkg) '24-26	9,096 lb	fits, loaded, with 10% margin
Nissan Titan (5.6 V8, tow pkg) '17-24	9,760 lb	fits, loaded, with 10% margin
Nissan Titan XD (Cummins diesel) '16-19	12,710 lb	fits, loaded, with 10% margin
Ram 1500 (3.0 Hurricane, max tow) '25-26	11,610 lb	fits, loaded, with 10% margin
Ram 1500 (5.7 Hemi eTorque, max tow) '19-24	12,750 lb	fits, loaded, with 10% margin
Ram 1500 (5.7 Hemi, max tow) '11-18	10,620 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
Rivian R1T '22-26	11,000 lb	fits, loaded, with 10% margin
Tesla Cybertruck '24-26	11,000 lb	fits, loaded, with 10% margin
Toyota Sequoia (i-Force Max, tow pkg) '23-26	9,520 lb	fits, loaded, with 10% margin
Toyota Tundra (5.7 V8, tow pkg) '11-21	10,200 lb	fits, loaded, with 10% margin
Toyota Tundra (i-Force Max, tow pkg) '22-26	12,000 lb	fits, loaded, with 10% margin

The 51it doesn't fit

Chevrolet Colorado / GMC Canyon (2.7 Turbo HO, tow pkg) '23-26: over by ~822 lb loaded
Chevrolet Colorado / GMC Canyon (2.8 Duramax) '15-22: over by ~822 lb loaded
Chevrolet Suburban (5.3 V8, max tow) '21-26: over by ~282 lb loaded
Chevrolet Tahoe (5.3 V8, max tow) '21-26: over by ~192 lb loaded
Chevrolet Traverse (tow pkg) '18-26: over by ~3,252 lb loaded
Chrysler Pacifica '17-26: over by ~4,512 lb loaded
Ford Bronco 4-dr (2.7 EcoBoost, tow pkg) '21-26: over by ~3,702 lb loaded
Ford Explorer (3.0 EcoBoost, tow pkg) '20-26: over by ~2,712 lb loaded
Ford Maverick (2.0 EcoBoost, 4K tow pkg) '22-26: over by ~4,152 lb loaded
Ford Ranger (2.3 EcoBoost, tow pkg) '19-23: over by ~1,002 lb loaded
Ford Ranger (2.7 EcoBoost, tow pkg) '24-26: over by ~1,002 lb loaded
Ford Transit (HD tow pkg) '15-26: over by ~1,542 lb loaded
GMC Acadia (tow pkg) '20-26: over by ~3,252 lb loaded
GMC Hummer EV Pickup '22-26: over by ~1,002 lb loaded
GMC Yukon / Yukon XL (5.3 V8, max tow) '21-26: over by ~192 lb loaded
Honda Odyssey '18-26: over by ~4,602 lb loaded
Honda Passport (AWD) '19-26: over by ~3,252 lb loaded
Honda Pilot (AWD, tow pkg) '16-26: over by ~3,252 lb loaded
Honda Ridgeline (AWD) '17-26: over by ~3,252 lb loaded
Hyundai Palisade (tow pkg) '20-26: over by ~3,252 lb loaded
Hyundai Santa Cruz (2.5T AWD) '22-26: over by ~3,252 lb loaded
Jeep Gladiator (3.6 V6, max tow) '20-26: over by ~822 lb loaded
Jeep Grand Cherokee (5.7 Hemi) '11-21: over by ~1,272 lb loaded
Jeep Grand Cherokee (WL, tow pkg) '22-26: over by ~2,172 lb loaded
Jeep Grand Cherokee L (5.7 Hemi) '21-26: over by ~1,272 lb loaded
Jeep Wrangler Unlimited 4-dr (tow pkg) '18-26: over by ~4,602 lb loaded
Kia Telluride (tow pkg) '20-26: over by ~2,802 lb loaded
Land Rover Defender '20-26: over by ~372 lb loaded
Land Rover Discovery '17-26: over by ~372 lb loaded
Lexus LX 600 '22-26: over by ~552 lb loaded
Mazda CX-90 (3.3 turbo, tow pkg) '24-26: over by ~3,252 lb loaded
Mercedes-Benz Sprinter '19-26: over by ~1,002 lb loaded
Nissan Armada (3.5 twin-turbo, tow pkg) '25-26: over by ~102 lb loaded
Nissan Armada (tow pkg) '17-24: over by ~102 lb loaded
Nissan Frontier (3.8 V6, tow pkg) '22-26: over by ~1,317 lb loaded
Nissan Pathfinder (tow pkg) '22-26: over by ~2,352 lb loaded
Ram ProMaster '14-26: over by ~1,532 lb loaded
Rivian R1S '22-26: over by ~822 lb loaded
Subaru Ascent '19-26: over by ~3,252 lb loaded
Subaru Outback (XT / Wilderness) '20-26: over by ~4,602 lb loaded
Tesla Model X (tow pkg) '16-26: over by ~3,252 lb loaded
Tesla Model Y (tow pkg) '21-26: over by ~4,602 lb loaded
Toyota 4Runner (4.0 V6) '11-24: over by ~3,252 lb loaded
Toyota 4Runner (i-Force Max) '25-26: over by ~2,352 lb loaded
Toyota Grand Highlander (i-Force Max) '24-26: over by ~3,252 lb loaded
Toyota Highlander (tow pkg) '20-26: over by ~3,252 lb loaded
Toyota Land Cruiser (i-Force Max) '24-26: over by ~2,352 lb loaded
Toyota Sienna '21-26: over by ~4,602 lb loaded
Toyota Tacoma (i-Force Max, tow pkg) '24-26: over by ~1,902 lb loaded
Toyota Tacoma (V6, tow pkg) '16-23: over by ~1,632 lb loaded
Volkswagen Atlas (tow pkg) '18-26: over by ~3,252 lb loaded

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

THE SPECS

Length33.0 ft

Height (incl. A/C)10.8 ft

Width8.0 ft

Interior height6.7 ft

GVWR8,480 lb

Dry weight6,660 lb

Dry tongue weight910 lb

Cargo capacity1,820 lb

Sleeps9

Slide-outs2

Axles2

Fresh water35 gal

Grey water67 gal

Black water33 gal

Air conditioning13,500 BTU

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

WHERE PEOPLE SLEEP

1× Front bedroom queen bed(Permanent)—
2× Double-size bunks(Permanent)54×74
2× Sofa and dinette(Convertible)—

HOW IT'S BUILT: 2/5

WallsAluminum / metal van

FrameWood

RoofStandard

UnderbellyOpen

Gulf Stream (Caution tier): Conquest

YEAR BY YEAR: WHAT CHANGED

2023Introduced

FINDING ONE

Common: usually several for sale within a day’s drive. Why: Gulf Stream is a volume manufacturer; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Island-kitchen bunkhouse and the lowest Supreme at 10 ft 9 in. Bunk size from the maker's 'double' designation.

OTHER CONQUEST FLOORPLANS

192DS · 4,800 lb · sleeps 8 197BH · 5,058 lb · sleeps 5 20RBS · 7,387 lb · sleeps 3 221RK · 7,560 lb · sleeps 4 236RL · 7,930 lb · sleeps 4 238RK · 7,680 lb · sleeps 4 241RB · 7,518 lb · sleeps 4 248BH · 7,500 lb · sleeps 7 251RE · 7,550 lb · sleeps 3 257RB · 7,880 lb · sleeps 4 266RBS · 9,450 lb · sleeps 4 268BH · 7,660 lb · sleeps 8 269BH · 7,670 lb · sleeps 8 26BHG · 7,590 lb · sleeps 8 the whole line →

Find one for sale

Live listings for the 288ISL 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 Conquest line ↗

Is the 288ISL 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.