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Find an RV that fits your truck
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Destination

Keystone RV Retreat 39flsl

Keystone RV Retreat 39flsl

Compare specs across all model years (2024–2025)

2
Model Years
6
Sleeps
42' 11"
Length
15,635
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2024 Retreat 39flsl Best Choice

Lightest GVWR (15,615 lbs) makes it towable by more vehicles. Highest Mint Score (31.4).

View 2024 Full Specs & Tow Guide →

All Model Years

Can Your Vehicle Tow the Retreat 39flsl?

Enter your truck specs to see if any of these model years fit your towing capacity—and which year gives you the most safety margin.

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Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.

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Our mission is to help people make well-informed RV buying decisions, so they can leave the noise and screens behind, reconnect with family, and create unforgettable memories in the great outdoors.

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