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RV Details

  • Price: $109,998
  • Year: 2020
  • Model: INTERSTATE GRAND TOUR EXT 3500
  • Listing ID: 7032438
  • Partner ID: 5040319992
  • Posted On: May 5, 2026
  • Updated On: May 5, 2026

Description

The 2020 AIRSTREAM INTERSTATE GRAND TOUR EXT is a luxurious Class B motorhome that offers comfort, style, and performance. With only 28500 miles on the odometer, this vehicle has been upgraded to be free of the plug for boondocking or extended tailgating.

Fully loaded with many recent upgrades:
- 480 watts of solar (Renogy Shadowflux hard panels, wired 2S2P) on 2 custom unistrut racks for EZ servicing w/ Victron MPPT 100 | 50 smart solar controller (11/25)
- 420 amp hour LiFePO4 battery bank (Epoch Essential, self heating, model 12105A-H)
- Full Victron components including Multiplex II 12 volt | 3000 va | 120 amp, Lynx Distributor, Cerbo GX, touch screen panel w/ custom auto start/stop generator switch (02/26). See professional install here https://youtu.be/0pSwjLypOhg?si=WJPiyuMvLuIoiJPD
- wired for full-time, roof mounted Starlink (not included)
- Cummins Onan QG2500i generator serviced 1 hour ago (49 more hours until next service due) (03/26)
- macerator pump replaced (08/25)
- 14K miles on new set of tires: Michelin LT215/85R16115/112R
AGILIS CC (05/25)
- Headliner shelf & curtain rod installed in cab for extra storage & privacy (06/25)
- new MaxAir fan w/ LED light in bathroom (09/25)
- upgraded shower massage head (08/25)
- Stereo/ voice activated hey Mercedes re-wired so that you can actually hear the music (TSB: Center Speaker Override).
- rear lounge TV upgraded to Amazon Fire Smart 24HDTV (09/25) 
- Power slide door rebuilt by MB (under warranty until 07/27)
- 17.4 MPG (fully loaded) / 24.5 gal fuel tank.
- factory installed VB air suspension
- 18 blind spot & collision sensors w/ brake assist system 
- Towing capacity 5000 lbs
- All safety recalls addressed by MB dealerships.
- Full service records available (most in MB database)
- Accessories if you don’t haggle: 30 amp power Watch Dog EMS, TPMS, water filter + hoses & generator service kit, etc, everything you need to roll.

The exterior has Airstream’s sleek trim kit. The spacious interior has top-of-the-line amenities to ensure comfort, with a well-appointed living space complete with a galley kitchen, wet bathroom, and sleeping /lounge rear quarters. The layout is designed to maximize space and functionality, with high-quality materials and finishes throughout. From the plush seating w/ 7 seat belts to the efficient storage solutions, every detail has been carefully considered to enhance your travel experience.

With its Class B classification, the Airstream Interstate Grand Tour is easy to maneuver and park, making it a versatile option for both city driving and off-grid camping. Whether you're a solo traveler, soccer Mom or adventuring with a partner, this motorhome offers everything needed to make lifetime memories.

Overall, the 2020 Airstream Interstate Grand Tour EXT is a top-of-the-line Class B motorhome that combines style, comfort, performance in a sleek & efficient unit.

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