Airstream Interstate 24GTX vs Coachmen Galleria 24Q

Airstream · Class B

The difference that matters

Same Sprinter 3500 extended chassis, same 11,030 lb GVWR and nearly the same length, so the choice comes down to power and traction. The Interstate 24GTX runs without a generator: a 10.3 kWh lithium bank, 400 W of solar and a 3,000 W inverter cover induction cooking and the 13,500 BTU air conditioner, with diesel hydronic heat. The Galleria 24Q carries an Onan QG 2500 LP generator and 330 W of solar, with a 310Ah lithium battery as an upgrade.

The Galleria puts all-wheel drive with Sumo Springs under every floorplan, plus heated front swivel seats and a rear queen bed. The Interstate is rated to tow 5,000 lb against the Galleria's 4,220, and carries 1,607 lb of cargo. Tanks are nearly identical: 23 and 26 gallons fresh, 24 gray on each.

The Airstream is the silent, all-electric option that never needs fuel for house power. The Coachmen is the one for snow, dirt roads and a generator as a dependable backup.

Airstream Interstate 24GTX: Quiet campgrounds, for couples who want a generator-free van with a large lithium bank and diesel heat.
Coachmen Galleria 24Q: Van travelers who want all-wheel drive for snow and dirt roads plus a generator for long cloudy spells.

Weights

2027 maker figures

GVWR: 11,030 lb
Dry weight (UVW): 9,423 lb
Occupant + cargo (OCCC): 1,607 lb
Towing capacity: 5,000 lb

1,607 lb between brochure dry weight and GVWR. Water (8.3 lb a gallon), food, gear, propane and dealer-added options all come out of it.

Weights

2027 maker figures

GVWR: 11,030 lb
Dry weight (UVW): not published
Occupant + cargo (OCCC): not published
Towing capacity: 4,220 lb

Spec for spec

	Airstream Interstate 24GTX	Coachmen Galleria 24Q
Dry weight (UVW)	9,423 lb	—
GVWR	11,030 lb	11,030 lb
Cargo capacity (CCC / OCCC)	1,607 lb	—
GVWR minus dry weight	1,607 lb	—
Towing capacity	5,000 lb	4,220 lb
Exterior length	24.8 ft	24.25 ft
Exterior height	9.8 ft	9.5 ft
Sleeps	2	2
Slide-outs	0	0
Fresh water	23 gal	26 gal
Gray water	24 gal	24 gal
Black water	11 gal	12 gal
Factory solar	400 W	330 W
House battery	10.3 kWh Deep Cycle Lithium Batteries with Built in Heater	Lithionics 310Ah lithium listed as replacing standard batteries (standard type not captured)
Generator	—	Onan QG 2500 LP
Chassis	Mercedes-Benz® Sprinter 3500 Extended	Mercedes-Benz Sprinter 3500 extended, AWD
Engine	Mercedes-Benz® 2.0 L Turbo Charged 4-Cylinder High Output Diesel	2.0L turbo I4 diesel
Fuel	Diesel	Diesel

Bold is the lighter or larger figure. A dash means the maker does not publish it.

To scale

051015202530354045 ft

Airstream Interstate 24GTX · 24.8 ft long · 9′10″ tall
Coachmen Galleria 24Q · 24.25 ft long · 9′6″ tall

Drawn to one scale from each camper's listed length and, where the maker publishes it, its exterior height. Outlines are typical for the camper type, not traced from this model. The figure is a 6 ft person. The dashed blue line is 25 ft, the length about 93% of national park campgrounds accept.

Airstream Interstate 24GTX

Full spec sheet, sources →

Coachmen Galleria 24Q

Full spec sheet, sources →