Toy Hauler
Grand Design RV Momentum G-Class 21g
Compare specs across all model years (2019–2025)
7
Model Years
6
Sleeps
26' 11"
Length
10,354
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2020 Momentum G-Class 21g
Best Choice
Highest Mint Score (31.9).
What Changed Year-Over-Year
2023
2024
Tank Capacity Change
Fresh water capacity changed from 100 to 90 gallons.
2022
2023
Weight Increase
GVWR increased from 9,995 to 11,000 lbs (1,005 lbs heavier).
2019
2020
Weight Increase
GVWR increased from 9,495 to 9,995 lbs (500 lbs heavier).
All Model Years
2025
2025 Grand Design RV Momentum G-Class 21g
31.2
11,000 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
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2024
2024 Grand Design RV Momentum G-Class 21g
29.9
11,000 lbs GVWR
1,059 lbs Hitch
26' 11"
Sleeps 6
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2023
2023 Grand Design RV Momentum G-Class 21g
31.4
11,000 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
↑ 1,005 lbs heavier than 2022
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2022
2022 Grand Design RV Momentum G-Class 21g
31.2
9,995 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
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2021
2021 Grand Design RV Momentum G-Class 21g
31.7
9,995 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
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Best Value
2020
2020 Grand Design RV Momentum G-Class 21g
31.9
9,995 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
↑ 500 lbs heavier than 2019
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Check Towing
2019
2019 Grand Design RV Momentum G-Class 21g
30.4
9,495 lbs GVWR
920 lbs Hitch
26' 11"
Sleeps 6
Original model year
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Can Your Vehicle Tow the Momentum G-Class 21g?
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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