Toy Hauler
Grand Design RV Momentum M-Class 336m
Compare specs across all model years (2023–2024)
2
Model Years
6
Sleeps
39' 10"
Length
16,900
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2024 Momentum M-Class 336m
Best Choice
Highest Mint Score (29.6). Most recent model year with latest updates.
What Changed Year-Over-Year
2023
2024
Weight Increase
GVWR increased from 16,800 to 17,000 lbs (200 lbs heavier).
All Model Years
Best Value
2024
2024 Grand Design RV Momentum M-Class 336m
29.6
17,000 lbs GVWR
2,600 lbs Hitch
39' 10"
Sleeps 6
↑ 200 lbs heavier than 2023
View Full Specs
Check Towing
2023
2023 Grand Design RV Momentum M-Class 336m
29.4
16,800 lbs GVWR
2,600 lbs Hitch
39' 10"
Sleeps 6
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Momentum M-Class 336m?
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.