Fifth Wheel
Keystone RV Montana High Country 377fl
Compare specs across all model years (2020–2025)
6
Model Years
10
Sleeps
41' 11"
Length
16,484
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2022 Montana High Country 377fl
Best Choice
Lightest GVWR (16,460 lbs) makes it towable by more vehicles. Highest Mint Score (30.2).
What Changed Year-Over-Year
2021
2022
Larger Fresh Tank
Fresh water capacity changed from 66 to 87 gallons.
All Model Years
2025
2025 Keystone RV Montana High Country 377fl
28.9
16,500 lbs GVWR
2,620 lbs Hitch
41' 11"
Sleeps 10
View Full Specs
Check Towing
2024
2024 Keystone RV Montana High Country 377fl
28.9
16,500 lbs GVWR
2,620 lbs Hitch
41' 11"
Sleeps 10
View Full Specs
Check Towing
2023
2023 Keystone RV Montana High Country 377fl
28.9
16,500 lbs GVWR
2,620 lbs Hitch
41' 11"
Sleeps 10
View Full Specs
Check Towing
Best Value
2022
2022 Keystone RV Montana High Country 377fl
30.2
16,460 lbs GVWR
2,465 lbs Hitch
41' 11"
Sleeps 10
View Full Specs
Check Towing
2021
2021 Keystone RV Montana High Country 377fl
29.1
16,460 lbs GVWR
2,465 lbs Hitch
41' 11"
Sleeps 10
View Full Specs
Check Towing
2020
2020 Keystone RV Montana High Country 377fl
27.1
Sleeps 10
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Montana High Country 377fl?
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.