Fifth Wheel
Keystone RV Cougar 337fls
Compare specs across all model years (2014–2018)
5
Model Years
6
Sleeps
38' 1"
Length
12,493
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Cougar 337fls
Best Choice
Highest Mint Score (31.1). Most recent model year with latest updates.
All Model Years
Best Value
2018
2018 Keystone RV Cougar 337fls
31.1
12,565 lbs GVWR
2,165 lbs Hitch
38' 1"
Sleeps 6
View Full Specs
Check Towing
2017
2017 Keystone RV Cougar 337fls
30.1
12,565 lbs GVWR
2,165 lbs Hitch
37' 8"
Sleeps 6
View Full Specs
Check Towing
2016
2016 Keystone RV Cougar 337fls
29.4
12,565 lbs GVWR
2,165 lbs Hitch
37' 8"
Sleeps 6
↑ 180 lbs heavier than 2015
View Full Specs
Check Towing
2015
2015 Keystone RV Cougar 337fls
29.6
12,385 lbs GVWR
1,985 lbs Hitch
37' 8"
Sleeps 6
View Full Specs
Check Towing
2014
2014 Keystone RV Cougar 337fls
30.1
12,385 lbs GVWR
1,985 lbs Hitch
37' 8"
Sleeps 6
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Cougar 337fls?
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.