2025 Keystone Sprinter 3530FWDEN vs 2024 Keystone Avalanche 338GK

Both the 2025 Keystone Sprinter 3530FWDEN and the 2024 Keystone Avalanche 338GK have loyal followings, and for good reason. Here's an objective look at how they measure up.

Specifications Comparison

Specification2025 Keystone Sprinter 3530FWDEN2024 Keystone Avalanche 338GKAdvantage
CategoryFifth WheelFifth Wheel
Year202520242025 Keystone Sprinter 3530FWDEN
Length31 ft41.5 ft
Width8.5 ft8.5 ft
Height13 ft13 ft
Dry Weight15,700 lbs8,900 lbs
GVWR19,700 lbs11,800 lbs
Sleeping Capacity862025 Keystone Sprinter 3530FWDEN
Fresh Water75 gal67 gal2025 Keystone Sprinter 3530FWDEN
Gray Water46 gal50 gal2024 Keystone Avalanche 338GK
Black Water50 gal44 gal2025 Keystone Sprinter 3530FWDEN
Fuel Capacity
Horsepower
Engine
Slide-Outs522025 Keystone Sprinter 3530FWDEN
Solar550 W400 W2025 Keystone Sprinter 3530FWDEN
Battery100 Ah200 Ah2024 Keystone Avalanche 338GK
Inverter1,500 W1,500 WTie
MSRP$117,000$116,0002024 Keystone Avalanche 338GK

Detailed Comparison

Both the 2025 Keystone Sprinter 3530FWDEN and the 2024 Keystone Avalanche 338GK have loyal followings, and for good reason. Here's an objective look at how they measure up.

Starting with size, the Keystone Sprinter 3530FWDEN measures 31.0 ft long and tips the scales at 15,700 lbs dry weight. The Keystone Avalanche 338GK comes in at 41.5 ft with a dry weight of 8,900 lbs. That gives the Keystone Avalanche 338GK roughly 10.5 extra feet of length.

The Keystone Sprinter 3530FWDEN sleeps 8 while the Keystone Avalanche 338GK accommodates 6. Slide-outs play a role in livability: the Keystone Sprinter 3530FWDEN has 5 and the Keystone Avalanche 338GK has 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Sprinter 3530FWDEN at 75 gallons versus 67 gallons. Solar-wise, you get 550W on the Keystone Sprinter 3530FWDEN and 400W on the Keystone Avalanche 338GK. Battery banks are 100 Ah and 200 Ah.

At $117,000 MSRP for the Keystone Sprinter 3530FWDEN and $116,000 for the Keystone Avalanche 338GK, the Keystone Avalanche 338GK saves you $1,000. With only a 1% price difference, the choice comes down to features rather than cost.

If you're traveling with a family, look for the model with more sleeping positions and better storage. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

Ultimately, both rigs have their merits — test drive each one and see which floor plan speaks to your lifestyle.

Individual Overviews

2025 Keystone Sprinter 3530FWDEN

  • Category: Fifth Wheel
  • Length: 31 ft
  • Weight: 15,700 lbs
  • Sleeps: 8
  • MSRP: $117,000
View Full Specs

2024 Keystone Avalanche 338GK

  • Category: Fifth Wheel
  • Length: 41.5 ft
  • Weight: 8,900 lbs
  • Sleeps: 6
  • MSRP: $116,000
View Full Specs