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2027 Brinkley Model Z 3515 vs Keystone Alpine Avalanche Edition 366LS

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2027 Grand Design Reflection 317RSTS floorplanGrand Design Reflection 317RSTSTravel trailer, 35′ 5″2027 Keystone Montana High Country 290RL floorplanKeystone Montana High Country 290RLFifth wheel, 33′ 11″2027 Grand Design Momentum 344M floorplanGrand Design Momentum 344MFifth-wheel toy hauler, 39′ 11″

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Key differences

Both are 2027 Fifth wheel models. Here's how they differ, from manufacturer specifications.

  • The Keystone Alpine Avalanche Edition 366LS is 11″ longer: 40′ 10″ vs 39′ 11″.
  • The Brinkley Model Z 3515 is 69 lb lighter unloaded: 14,231 vs 14,300 lb.
  • The Brinkley Model Z 3515 has a 34 lb lighter hitch weight: 2,591 vs 2,625 lb.
  • The Keystone Alpine Avalanche Edition 366LS has a $24,483 lower published MSRP: $110,890 vs $135,373.
YOUR SHORTLIST
Brinkley Model Z

3515

2027 · Fifth wheel

Specs & prices
Keystone Alpine Avalanche Edition

366LS

2027 · Fifth wheel

Specs & prices
Floorplan
PRICING
Manufacturer price (USD)
$135,373Standard-run MSRPChecked 2026-10-22 · Price source
$110,890Published MSRPChecked 2026-10-22 · Price source
Lowest tracked dealer price (USD)
$106,995General RV ↗ · Birch Run, MIAdvertised price; additional fees may applyChecked Lowest among tracked new units; equipment varies. Not an out-the-door quote. Financing, rebates and fees may apply.
Price conditionsAdvertised price, not an out-the-door quote. Taxes, registration, delivery and other fees may apply. Financing, trade-in and rebate eligibility have not been independently verified; confirm all conditions with the dealer. Equipment varies by unit.
All tracked prices & history
$94,999General RV ↗ · Elizabethtown, PAAdvertised price; additional fees may applyChecked Lowest among tracked new units; equipment varies. Not an out-the-door quote. Financing, rebates and fees may apply.
Price conditionsAdvertised price, not an out-the-door quote. Taxes, registration, delivery and other fees may apply. Financing, trade-in and rebate eligibility have not been independently verified; confirm all conditions with the dealer. Equipment varies by unit.
All tracked prices & history
Est. monthly payment (USD)
$976/mo15 years at 8.99% APR with 10% down, based on the lowest dealer price. Before tax and fees.Customize this payment
$867/mo15 years at 8.99% APR with 10% down, based on the lowest dealer price. Before tax and fees.Customize this payment
DIMENSIONS & WEIGHTS
Exterior length
39′ 11″
40′ 10″
Exterior width
8′ 0″
—
Exterior height
13′ 4″
13′ 4″
Shipping / unloaded weight
14,231 lb
14,300 lb
GVWR
17,495 lb
—
Listed cargo capacity
—
2,300 lb
Listed hitch weight
2,591 lb
2,625 lb
LIVING & SLEEPING
Sleeping capacity
—
6
Slide-outs
—
—
Main bed
Not verified
King bed
Bunk beds
Not verified
No
Dinette
Not verified
Not verified
Bathroom
Not verified
Not verified
Refrigerator
Not verified
Not verified
TANKS & EVERYDAY FEATURES
Fresh water
75 gal
75 gal
Gray water
118 gal
83 gal
Black water
44 gal
49 gal
Awning length
—
—
Shore power / electrical service
Not verified
50 amp standard
Solar equipment
Not verified
SolarFlex™ Protect 220 (1 - 220W Panel, Victron 30A charge controller)
Outdoor kitchen
Not verified
No
Washer/dryer prep
Not verified
✓ Yes
Microwave
Not verified
✓ Yes
Cooktop
Not verified
Not verified
Air conditioning
Not verified
18 K Omni Chill ACs Prepped for 3rd A/C
Electric fireplace
Not verified
✓ Yes
Backup camera
Not verified
Not verified
Propane tanks
—
2
Tire size
Not verified
ST235/80R16G
SOURCES & VERIFICATION
Weight basis
Manufacturer unloaded vehicle weight
Manufacturer shipping weight
Source checked
2026-10-22 Manufacturer ↗
2026-10-22 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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