CamperHardlyKnowHer

Airstream Interstate 24GT

Class B vanbuilt 2021– (in production)Better build tierPatient search on the used market
WHAT ONE COSTS
$285,900MSRP today

Still in production — a used 2023 would run roughly $232,700.

THE SPECS
Length24.5 ft
Height (incl. A/C)9.8 ft
Interior height6.2 ft
GVWR11,030 lb
Dry weight9,423 lb
Sleeps2
Slide-outs0
Fresh water23 gal
Grey water24 gal
Black water11 gal
Air conditioning13,500 BTU
Solar (standard)400 W
Awning14.5 ft
Fuel24.5 gal
Engine / chassisMercedes-Benz 2.0L turbo diesel I4 on Sprinter 3500 Extended

A missing row means the maker never published that figure — unknown, not zero.

WHERE PEOPLE SLEEP
  • Power rear sofa and ottoman convert to bed(Convertible)70×82
HOW IT'S BUILT — 3/5
WallsAluminum / metal van
FrameSteel
RoofStandard
UnderbellyOpen

Airstream (Better tier): Two decades on the Mercedes Sprinter with Airstream fit-and-finish and top-of-segment resale keep the Interstate in the premium tier.

YEAR BY YEAR — WHAT CHANGED
  • 2021Introduced, replacing the Interstate Grand Tour EXT naming on the same Sprinter 3500 platform
  • 2025e1 lithium power-package trim added
  • 2027AWD standard; MSRP from $285,900
FINDING ONE

Patient search — weeks of watching, and probably some travel. Why: still in production; an uncommon body style. Estimated from build volume and production span — not a count of live listings.

THE READ

The best-selling luxury Class B — galley-focused Interstate layout with Mercedes running gear, at a thoroughly Mercedes price.

OTHER INTERSTATE FLOORPLANS
Is the 24GT your #1 — or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about — set your priorities as sliders and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

Data compiled from manufacturer spec sheets, retrieved 2026-07.