Fifth Wheel
Forest River RV Riverstone Reserve 3950fwk
Compare specs across all model years (2021–2023)
3
Model Years
5
Sleeps
42' 6"
Length
18,750
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2023 Riverstone Reserve 3950fwk
Best Choice
Lightest GVWR (18,750 lbs) makes it towable by more vehicles. Highest Mint Score (28.4).
What Changed Year-Over-Year
2021
2022
Capacity Upgrade
Sleeping capacity increased from 4 to 6 with layout improvements.
All Model Years
Best Value
2023
2023 Forest River RV Riverstone Reserve 3950fwk
28.4
18,750 lbs GVWR
2,750 lbs Hitch
42' 6"
Sleeps 6
View Full Specs
Check Towing
2022
2022 Forest River RV Riverstone Reserve 3950fwk
28.4
18,750 lbs GVWR
2,750 lbs Hitch
42' 6"
Sleeps 6
↑ Sleeps 2 more than 2021
View Full Specs
Check Towing
2021
2021 Forest River RV Riverstone Reserve 3950fwk
27.4
Sleeps 4
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Riverstone Reserve 3950fwk?
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.
Leave the Noise Behind.
Reconnect Outdoors.
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.
Free tools. No sales pressure. Just better decisions.