Destination
Keystone RV Retreat 391mkts
Compare specs across all model years (2016–2025)
10
Model Years
4
Sleeps
40' 8"
Length
13,831
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2024 Retreat 391mkts
Best Choice
Highest Mint Score (32.2).
What Changed Year-Over-Year
2017
2018
Weight Increase
GVWR increased from 13,000 to 13,925 lbs (925 lbs heavier).
All Model Years
2025
2025 Keystone RV Retreat 391mkts
32.2
14,000 lbs GVWR
2,065 lbs Hitch
40' 8"
Sleeps 4
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Best Value
2024
2024 Keystone RV Retreat 391mkts
32.2
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2023
2023 Keystone RV Retreat 391mkts
31.2
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2022
2022 Keystone RV Retreat 391mkts
31.9
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2021
2021 Keystone RV Retreat 391mkts
31.7
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2020
2020 Keystone RV Retreat 391mkts
31.2
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2019
2019 Keystone RV Retreat 391mkts
32.2
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
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2018
2018 Keystone RV Retreat 391mkts
30.7
13,925 lbs GVWR
1,925 lbs Hitch
40' 8"
Sleeps 4
↑ 925 lbs heavier than 2017
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2017
2017 Keystone RV Retreat 391mkts
31.4
13,000 lbs GVWR
1,890 lbs Hitch
40' 8"
Sleeps 4
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2016
2016 Keystone RV Retreat 391mkts
30.7
1,975 lbs Hitch
40' 8"
Sleeps 4
Original model year
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Can Your Vehicle Tow the Retreat 391mkts?
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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