Fifth Wheel
Forest River RV Sierra 372lok
Compare specs across all model years (2016–2021)
6
Model Years
10
Sleeps
41' 8"
Length
15,654
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2017 Sierra 372lok
Best Choice
Lightest GVWR (15,500 lbs) makes it towable by more vehicles. Highest Mint Score (28.1).
What Changed Year-Over-Year
2019
2020
Weight Increase
GVWR increased from 15,500 to 15,962 lbs (462 lbs heavier).
2017
2018
Capacity Upgrade
Sleeping capacity increased from 8 to 11 with layout improvements.
All Model Years
2021
2021 Forest River RV Sierra 372lok
27.9
15,962 lbs GVWR
2,474 lbs Hitch
41' 8"
Sleeps 11
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2020
2020 Forest River RV Sierra 372lok
27.4
15,962 lbs GVWR
2,474 lbs Hitch
41' 8"
Sleeps 11
↑ 462 lbs heavier than 2019
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2019
2019 Forest River RV Sierra 372lok
26.9
15,500 lbs GVWR
2,474 lbs Hitch
41' 9"
Sleeps 11
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2018
2018 Forest River RV Sierra 372lok
26.4
15,500 lbs GVWR
2,474 lbs Hitch
41' 9"
Sleeps 11
↑ Sleeps 3 more than 2017
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Best Value
2017
2017 Forest River RV Sierra 372lok
28.1
15,500 lbs GVWR
2,474 lbs Hitch
42' 9"
Sleeps 8
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2016
2016 Forest River RV Sierra 372lok
27.9
15,500 lbs GVWR
2,474 lbs Hitch
42' 9"
Sleeps 8
Original model year
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Can Your Vehicle Tow the Sierra 372lok?
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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