Fifth Wheel
Keystone RV Cougar 333mkswe
Compare specs across all model years (2014–2018)
5
Model Years
6
Sleeps
38' 1"
Length
12,148
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Cougar 333mkswe
Best Choice
Highest Mint Score (29.9). Most recent model year with latest updates.
What Changed Year-Over-Year
2017
2018
Weight Increase
GVWR increased from 12,090 to 12,380 lbs (290 lbs heavier).
2016
2017
Length Increased
Length changed from 36' 8" to 37' 8".
All Model Years
Best Value
2018
2018 Keystone RV Cougar 333mkswe
29.9
12,380 lbs GVWR
1,980 lbs Hitch
38' 1"
Sleeps 6
↑ 290 lbs heavier than 2017
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2017
2017 Keystone RV Cougar 333mkswe
29.4
12,090 lbs GVWR
1,690 lbs Hitch
37' 8"
Sleeps 6
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2016
2016 Keystone RV Cougar 333mkswe
29.4
12,090 lbs GVWR
1,690 lbs Hitch
36' 8"
Sleeps 6
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2015
2015 Keystone RV Cougar 333mkswe
29.1
12,090 lbs GVWR
1,690 lbs Hitch
36' 8"
Sleeps 6
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2014
2014 Keystone RV Cougar 333mkswe
28.9
12,090 lbs GVWR
1,690 lbs Hitch
36' 8"
Sleeps 6
Original model year
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Can Your Vehicle Tow the Cougar 333mkswe?
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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