2027 Grand Design Momentum G-Class Fifth Wheel 320G vs Keystone Carbon 330
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Key differences
Both are 2027 Fifth-wheel toy hauler models. Here's how they differ, from manufacturer specifications.
- The Grand Design Momentum G-Class Fifth Wheel 320G is 4″ longer: 36′ 3″ vs 35′ 11″.
- The Keystone Carbon 330 is 695 lb lighter unloaded: 12,405 vs 13,100 lb.
- The Grand Design Momentum G-Class Fifth Wheel 320G has a 465 lb lighter hitch weight: 2,300 vs 2,765 lb.
- Both sleep 6.
- The Grand Design Momentum G-Class Fifth Wheel 320G holds 4 gal more fresh water: 98 vs 94 gal.
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YOUR SHORTLIST
Floorplan
PRICING
Manufacturer price (USD)
$143,905Published MSRPChecked 2026-10-23 · Price source
Not verified
Lowest tracked dealer price (USD)
No recently verified dealer price
No recently verified dealer price
Est. monthly payment (USD)
$1,164/mo20 years at 8.99% APR with 10% down, based on the MSRP. Before tax and fees.Customize this payment
No verified price to estimate from
DIMENSIONS & WEIGHTS
Exterior length
36′ 3″
35′ 11″
Garage length
11′ 0″
10′ 0″
Exterior width
8′ 5″
—
Exterior height
13′ 5″
13′ 3″
Shipping / unloaded weight
13,100 lb
12,405 lb
GVWR
16,400 lb
—
Listed cargo capacity
—
4,360 lb
Listed hitch weight
2,300 lb
2,765 lb
LIVING & SLEEPING
Sleeping capacity
6
6
Slide-outs
3
—
Main bed
60 X 80 Queen Bed
Not verified
Bunk beds
Not verified
✓ Yes
Dinette
Not verified
Not verified
Bathroom
Not verified
Not verified
Refrigerator
15 cu. ft. (power type not verified)
16.5 Cu. Ft. 12V refrigerator
TANKS & EVERYDAY FEATURES
Fresh water
98 gal
94 gal
Gray water
52 gal
88 gal
Black water
104 gal
44 gal
Awning length
—
—
Shore power / electrical service
Not verified
50 amp standard
Solar equipment
Not verified
SolarFlex™ Protect 220
Outdoor kitchen
Not verified
No
Washer/dryer prep
Not verified
✓ Yes
Microwave
Not verified
✓ Yes
Cooktop
Not verified
3-burner range and 17" black oven
Air conditioning
30,000 BTU A/C
Three Chill Cube A/C's; Triple A/C Package; Ducted A/C and heat into garage
Electric fireplace
Not verified
No
Backup camera
Not verified
wireless backup camera prep
Propane tanks
2
3
Tire size
17.5
ST235/80R16G
SOURCES & VERIFICATION
Weight basis
Manufacturer unloaded vehicle weight
Manufacturer shipping weight
Source checked
2026-10-23 Manufacturer ↗
2026-10-23 Manufacturer ↗
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Manufacturer floorplan images © their respective manufacturers. Specs checked October 19, 2026; exact-unit labels and production options may differ. “Not verified” or a dash means we have no confirmed value. “Not listed” means the applicable manufacturer equipment was checked but does not mention the feature; it does not mean “No.” “Conflicting data” means manufacturer entries disagree. “Optional” equipment is available but is not confirmed as standard. Camera prep does not confirm an installed camera. Weights are kept separate: unloaded weight, GVWR, cargo capacity, and hitch weight. Confirm every specification for the exact model year and configuration with the manufacturer. This tool does not establish towing compatibility.
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