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Keystone Impact 415

Fifth wheelbuilt 2020–26Mixed build tierCommon on the used market
WHAT ONE COSTS
$79,900est. used (2026, 1 yr old)

Sticker was $110,933 in 2026. Out of production since 2026, so the used market is the only way to buy one. Estimate assumes a 2026 unit.

WHAT IT WEIGHS BEHIND YOUR TRUCK
~15,738 lbestimated as towed, for 2 people

dry weight 14,154 lb + fresh water (94 gal, full) 784 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 around17,490 lb (10% margin)
GVWR (the sticker maximum)19,000 lb
Tongue weight, loaded~3,508 lb (22%)
Cargo capacity4,846 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 415's published weights changed mid-run. Fifth wheels also need a pickup bed and are held to the fifth-wheel rating where published.

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 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 77it doesn't fit

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

THE SPECS
Length44.0 ft
Height (incl. A/C)13.3 ft
Width8.3 ft
GVWR19,000 lb
Dry weight14,154 lb
Dry tongue weight3,155 lb
Cargo capacity4,846 lb
Sleeps5
Slide-outs2
Axles2
Fresh water94 gal
Grey water88 gal
Black water88 gal
Air conditioning15,000 BTU
Solar (standard)200 W

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

WHERE PEOPLE SLEEP
  • 1× Front queen bed(Permanent)—
  • 2× Garage bed over dual opposing sofas with top queen(Convertible)—
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Keystone (Mixed tier): Impact / Fuzion Impact Edition

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
2020–2319,000 lb13,888 lb$110,933
2024–2619,000 lb14,154 lb$110,933
  • 2020Introduced
FINDING ONE

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

OUR TAKE

Largest Impact fifth wheel, 19,000 lb GVWR.

OTHER IMPACT FLOORPLANS
25V · 9,800 lb · sleeps 4260 · 11,250 lb · sleeps 626V · 9,770 lb · sleeps 42813 · 11,000 lb · sleeps 628V · 10,000 lb · sleeps 62915 · 11,300 lb · sleeps 629V · 10,000 lb · sleeps 6300 · 13,000 lb · sleeps 6301 · 13,000 lb · sleeps 6303 · 13,000 lb · sleeps 5311 · 16,450 lb · sleeps 53118 · 12,500 lb · sleeps 4312 · 13,000 lb · sleeps 5317 · 13,000 lb · sleeps 5the whole line →
Find one for sale

Live listings for the 415 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 Impact line ↗

Is the 415 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.