2027 Grand Design Momentum G-Class Travel Trailer 21G vs KZ Sportster X 20X
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Key differences
Both are 2027 Travel-trailer toy hauler models. Here's how they differ, from manufacturer specifications.
- The Grand Design Momentum G-Class Travel Trailer 21G is 2″ longer: 26′ 11″ vs 26′ 9″.
- The KZ Sportster X 20X is 200 lb lighter unloaded: 7,080 vs 7,280 lb.
- The Grand Design Momentum G-Class Travel Trailer 21G has a 1,000 lb higher GVWR: 11,000 vs 10,000 lb.
- The Grand Design Momentum G-Class Travel Trailer 21G has a 44 lb lighter hitch weight: 1,056 vs 1,100 lb.
- The KZ Sportster X 20X holds 4 gal more fresh water: 94 vs 90 gal.
- The KZ Sportster X 20X has a $32,667 lower published MSRP: $52,918 vs $85,585.
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YOUR SHORTLIST
Floorplan
PRICING
Manufacturer price (USD)
$85,585Published MSRPChecked 2026-10-23 · Price source
$52,918Base MSRPChecked 2026-10-23 · Price source
Lowest tracked dealer price (USD)
No recently verified dealer price
No recently verified dealer price
Est. monthly payment (USD)
$781/mo15 years at 8.99% APR with 10% down, based on the MSRP. Before tax and fees.Customize this payment
$483/mo15 years at 8.99% APR with 10% down, based on the MSRP. Before tax and fees.Customize this payment
DIMENSIONS & WEIGHTS
Exterior length
26′ 11″
26′ 9″
Garage length
14′ 0″
—
Exterior width
8′ 5″
8′ 4″
Exterior height
12′ 4″
12′ 6″
Shipping / unloaded weight
7,280 lb
7,080 lb
GVWR
11,000 lb
10,000 lb
Listed cargo capacity
—
2,920 lb
Listed hitch weight
1,056 lb
1,100 lb
LIVING & SLEEPING
Sleeping capacity
6
—
Slide-outs
1
—
Main bed
60 X 80 Queen Bed
Not verified
Bunk beds
Not verified
Not verified
Dinette
Not verified
Not verified
Bathroom
Not verified
Not verified
Refrigerator
8 cu. ft. (power type not verified)
10 cu ft
TANKS & EVERYDAY FEATURES
Fresh water
90 gal
94 gal
Gray water
74 gal
38 gal
Black water
39 gal
38 gal
Awning length
—
19′ 0″
Shore power / electrical service
Not verified
Not verified
Solar equipment
Not verified
Not verified
Outdoor kitchen
Not verified
Not verified
Washer/dryer prep
Not verified
Not verified
Microwave
Not verified
Not verified
Cooktop
Not verified
Not verified
Air conditioning
15,000 BTU A/C
Not verified
Electric fireplace
Not verified
Not verified
Backup camera
Not verified
Not verified
Propane tanks
2
—
Tire size
ST235/80R16LRE
Not verified
SOURCES & VERIFICATION
Weight basis
Manufacturer unloaded vehicle weight
Manufacturer unloaded vehicle 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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