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2027 Keystone Fuzion 373 vs 419

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Key differences

Both are 2027 Fifth-wheel toy hauler models from the Keystone Fuzion line. Here's how they differ, from manufacturer specifications.

  • The 419 is 5′ longer: 44′ 6″ vs 39′ 6″.
  • The 373 is 1,181 lb lighter unloaded: 15,890 vs 17,071 lb.
  • The 419 lists 74 lb more cargo capacity: 3,929 vs 3,855 lb.
  • The 373 has a 25 lb lighter hitch weight: 3,745 vs 3,770 lb.
  • Both sleep 8.
  • The 373 has a $10,000 lower published MSRP: $151,718 vs $161,718.
YOUR SHORTLIST
Keystone Fuzion

373

2027 · Fifth-wheel toy hauler

Specs & prices
Keystone Fuzion

419

2027 · Fifth-wheel toy hauler

Specs & prices
Floorplan
PRICING
Manufacturer price (USD)
$151,718Published MSRPChecked 2026-10-23 · Price source
$161,718Published MSRPChecked 2026-10-23 · Price source
Lowest tracked dealer price (USD)
No recently verified dealer price
No recently verified dealer price
Est. monthly payment (USD)
$1,228/mo20 years at 8.99% APR with 10% down, based on the MSRP. Before tax and fees.Customize this payment
$1,309/mo20 years at 8.99% APR with 10% down, based on the MSRP. Before tax and fees.Customize this payment
DIMENSIONS & WEIGHTS
Exterior length
39′ 6″
44′ 6″
Garage length
11′ 0″
16′ 0″
Exterior width
—
—
Exterior height
13′ 3″
13′ 3″
Shipping / unloaded weight
15,890 lb
17,071 lb
GVWR
—
—
Listed cargo capacity
3,855 lb
3,929 lb
Listed hitch weight
3,745 lb
3,770 lb
LIVING & SLEEPING
Sleeping capacity
8
8
Slide-outs
—
—
Main bed
King bed suite
King bed suite
Bunk beds
✓ Yes
✓ Yes
Dinette
Not verified
Not verified
Bathroom
Not verified
Not verified
Refrigerator
Stainless steel 16 Cu. Ft. 12V refrigerator
Stainless steel 16 Cu. Ft. 12V refrigerator
TANKS & EVERYDAY FEATURES
Fresh water
173 gal
173 gal
Gray water
104 gal
104 gal
Black water
104 gal
104 gal
Awning length
—
—
Shore power / electrical service
50 amp power cord listed; service not verified
50 amp power cord listed; service not verified
Solar equipment
SolarFlex™ Discover 440i
SolarFlex™ Discover 440i
Outdoor kitchen
No
No
Washer/dryer prep
✓ Yes
✓ Yes
Microwave
✓ Yes
✓ Yes
Cooktop
Lusso® 4-burner range and 24" stainless steel oven
Lusso® 4-burner range and 24" stainless steel oven
Air conditioning
Chill Cube high efficiency A/C system (3 A/C's standard); Ducted heat and independent free delivery A/C
Chill Cube high efficiency A/C system (3 A/C's standard); Ducted heat and independent free delivery A/C
Electric fireplace
✓ Yes
✓ Yes
Backup camera
Not verified
Not verified
Propane tanks
2
2
Tire size
215/75R17.5J
215/75R17.5J
SOURCES & VERIFICATION
Weight basis
Manufacturer shipping weight
Manufacturer shipping weight
Source checked
2026-10-23 Manufacturer ↗
2026-10-23 Manufacturer ↗

Manufacturer floorplan images © their respective manufacturers. Specs checked October 19, 2026; exact-unit labels and production options may differ. “Not verified” or a dash means we have no confirmed value. “Not listed” means the applicable manufacturer equipment was checked but does not mention the feature; it does not mean “No.” “Conflicting data” means manufacturer entries disagree. “Optional” equipment is available but is not confirmed as standard. Camera prep does not confirm an installed camera. Weights are kept separate: unloaded weight, GVWR, cargo capacity, and hitch weight. Confirm every specification for the exact model year and configuration with the manufacturer. This tool does not establish towing compatibility.

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