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Airstream Interstate EXT Grand Tour

Class B vanbuilt 2016–20Better build tierPatient search on the used market
WHAT ONE COSTS
$163,200est. used (2020, 6 yr old)

Sticker was $189,500 in 2020. Out of production since 2020, so the used market is the only way to buy one. Estimate assumes a 2020 unit.

THE SPECS
Length24.5 ft
Height (incl. A/C)9.8 ft
GVWR11,030 lb
Dry weightnot published
Sleeps2

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

WHERE PEOPLE SLEEP
  • Rear sofa converts to bed(Convertible)
HOW IT'S BUILT: 4/5
WallsAluminum / metal van
FrameSteel
RoofStandard
UnderbellyEnclosed

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
  • 2016Introduced, replacing the 3500 Extended Grand Tour
  • 2021Renamed 24GT
FINDING ONE

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

OUR TAKE

Direct predecessor of the 24GT, on the older V6 diesel Sprinter. Twin-bed and 4x4 builds also offered. dry 0 means unpublished in the sources consulted.

OTHER INTERSTATE FLOORPLANS
Find one for sale

Live listings for the EXT Grand Tour on the big marketplaces. Each search opens pre-filled with this exact floorplan:

Inventory varies by site and day. Slim pickings? search the whole Interstate line ↗

Is the EXT Grand Tour 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, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data low-confidence record: figures are inferred and should be independently verified, retrieved 2026-07.