Fifth Wheel
Forest River RV Sierra 38fkok
Compare specs across all model years (2018–2021)
4
Model Years
6
Sleeps
41' 9"
Length
15,662
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2021 Sierra 38fkok
Best Choice
Highest Mint Score (31.2). Most recent model year with latest updates.
What Changed Year-Over-Year
2019
2020
Weight Increase
GVWR increased from 15,500 to 15,823 lbs (323 lbs heavier).
All Model Years
Best Value
2021
2021 Forest River RV Sierra 38fkok
31.2
15,823 lbs GVWR
2,256 lbs Hitch
41' 9"
Sleeps 6
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2020
2020 Forest River RV Sierra 38fkok
30.9
15,823 lbs GVWR
2,256 lbs Hitch
41' 9"
Sleeps 6
↑ 323 lbs heavier than 2019
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2019
2019 Forest River RV Sierra 38fkok
29.6
15,500 lbs GVWR
2,256 lbs Hitch
41' 8"
Sleeps 6
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2018
2018 Forest River RV Sierra 38fkok
29.6
15,500 lbs GVWR
2,256 lbs Hitch
41' 8"
Sleeps 6
Original model year
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Can Your Vehicle Tow the Sierra 38fkok?
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.
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.
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