Toy Hauler
Grand Design RV Momentum 380th
Compare specs across all model years (2014–2016)
3
Model Years
7
Sleeps
42' 2"
Length
19,500
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2015 Momentum 380th
Best Choice
Lightest GVWR (19,500 lbs) makes it towable by more vehicles. Highest Mint Score (31.4).
What Changed Year-Over-Year
2015
2016
Capacity Upgrade
Sleeping capacity increased from 6 to 8 with layout improvements.
2014
2015
Larger Fresh Tank
Fresh water capacity changed from 112 to 124 gallons.
All Model Years
2016
2016 Grand Design RV Momentum 380th
30.4
19,500 lbs GVWR
2,950 lbs Hitch
42' 2"
Sleeps 8
↑ Sleeps 2 more than 2015
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Best Value
2015
2015 Grand Design RV Momentum 380th
31.4
19,500 lbs GVWR
2,950 lbs Hitch
42' 2"
Sleeps 6
View Full Specs
Check Towing
2014
2014 Grand Design RV Momentum 380th
31.1
19,500 lbs GVWR
3,500 lbs Hitch
42' 2"
Sleeps 6
Original model year
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Check Towing
Can Your Vehicle Tow the Momentum 380th?
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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