Destination
Keystone RV Retreat 391fkss
Compare specs across all model years (2016–2024)
9
Model Years
4
Sleeps
13,346
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2023 Retreat 391fkss
Best Choice
Highest Mint Score (34.4).
What Changed Year-Over-Year
2016
2017
More Compact
Length changed from 40' 8" to 40' 2".
All Model Years
2024
2024 Keystone RV Retreat 391fkss
25.0
View Full Specs
Check Towing
Best Value
2023
2023 Keystone RV Retreat 391fkss
34.4
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2022
2022 Keystone RV Retreat 391fkss
34.4
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2021
2021 Keystone RV Retreat 391fkss
33.4
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2020
2020 Keystone RV Retreat 391fkss
32.9
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2019
2019 Keystone RV Retreat 391fkss
33.4
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2018
2018 Keystone RV Retreat 391fkss
32.9
13,350 lbs GVWR
1,360 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2017
2017 Keystone RV Retreat 391fkss
33.2
13,320 lbs GVWR
1,320 lbs Hitch
40' 2"
Sleeps 4
View Full Specs
Check Towing
2016
2016 Keystone RV Retreat 391fkss
30.7
955 lbs Hitch
40' 8"
Sleeps 4
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Retreat 391fkss?
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.