Toy Hauler
Grand Design RV Momentum M-Class 395m
Compare specs across all model years (2017–2021)
5
Model Years
10
Sleeps
41' 11"
Length
20,000
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Momentum M-Class 395m
Best Choice
Lightest GVWR (20,000 lbs) makes it towable by more vehicles. Highest Mint Score (29.4).
What Changed Year-Over-Year
2019
2020
Capacity Upgrade
Sleeping capacity increased from 9 to 11 with layout improvements.
2017
2018
Larger Fresh Tank
Fresh water capacity changed from 117 to 157 gallons.
All Model Years
2021
2021 Grand Design RV Momentum M-Class 395m
26.9
20,000 lbs GVWR
3,150 lbs Hitch
41' 11"
Sleeps 11
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2020
2020 Grand Design RV Momentum M-Class 395m
26.9
20,000 lbs GVWR
3,150 lbs Hitch
42' 4"
Sleeps 11
↑ Sleeps 2 more than 2019
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Check Towing
2019
2019 Grand Design RV Momentum M-Class 395m
28.9
20,000 lbs GVWR
3,150 lbs Hitch
42' 4"
Sleeps 9
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Check Towing
Best Value
2018
2018 Grand Design RV Momentum M-Class 395m
29.4
20,000 lbs GVWR
3,150 lbs Hitch
42' 4"
Sleeps 9
View Full Specs
Check Towing
2017
2017 Grand Design RV Momentum M-Class 395m
28.9
20,000 lbs GVWR
3,150 lbs Hitch
42' 4"
Sleeps 9
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Momentum M-Class 395m?
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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