Expandable Trailer
Forest River RV Flagstaff Classic 620st
Compare specs across all model years (2008–2013)
6
Model Years
6
Sleeps
20' 4"
Length
2,999
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2009 Flagstaff Classic 620st
Best Choice
Highest Mint Score (31.0).
What Changed Year-Over-Year
2009
2010
Larger Fresh Tank
Fresh water capacity changed from 20 to 26 gallons.
2008
2009
Weight Increase
GVWR increased from 2,343 to 2,953 lbs (610 lbs heavier).
All Model Years
2013
2013 Forest River RV Flagstaff Classic 620st
30.0
3,212 lbs GVWR
258 lbs Hitch
20' 4"
Sleeps 6
View Full Specs
Check Towing
2012
2012 Forest River RV Flagstaff Classic 620st
30.0
3,212 lbs GVWR
258 lbs Hitch
20' 4"
Sleeps 6
View Full Specs
Check Towing
2011
2011 Forest River RV Flagstaff Classic 620st
30.3
3,136 lbs GVWR
247 lbs Hitch
20' 2"
Sleeps 6
View Full Specs
Check Towing
2010
2010 Forest River RV Flagstaff Classic 620st
30.8
3,136 lbs GVWR
247 lbs Hitch
20' 2"
Sleeps 6
↑ 183 lbs heavier than 2009
View Full Specs
Check Towing
Best Value
2009
2009 Forest River RV Flagstaff Classic 620st
31.0
2,953 lbs GVWR
247 lbs Hitch
20' 2"
Sleeps 6
↑ 610 lbs heavier than 2008
View Full Specs
Check Towing
2008
2008 Forest River RV Flagstaff Classic 620st
26.8
2,343 lbs GVWR
243 lbs Hitch
20' 2"
Sleeps 7
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Flagstaff Classic 620st?
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.