Toy Hauler
Starcraft RV Rock Star 3912sb
Compare specs across all model years (2009–2010)
2
Model Years
10
Sleeps
40' 5"
Length
18,000
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2009 Rock Star 3912sb
Best Choice
Lightest GVWR (18,000 lbs) makes it towable by more vehicles. Highest Mint Score (28.9).
What Changed Year-Over-Year
2009
2010
Capacity Upgrade
Sleeping capacity increased from 9 to 10 with layout improvements.
All Model Years
2010
2010 Starcraft RV Rock Star 3912sb
28.1
18,000 lbs GVWR
3,630 lbs Hitch
40' 5"
Sleeps 10
↑ Sleeps 1 more than 2009
View Full Specs
Check Towing
Best Value
2009
2009 Starcraft RV Rock Star 3912sb
28.9
18,000 lbs GVWR
3,325 lbs Hitch
40' 5"
Sleeps 9
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Rock Star 3912sb?
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.