Location: Davenport, Iowa
Asking Price: $18,000 $15,000 (Final Sale Price)
Update: 7/20/2026 – This listing was sold for 83% of the asking price!
You are looking at this 1977 GMC Birchaven 23FT Motorhome — available for sale by owner in Davenport, Iowa!
As of the time of this post, it is still available – you can find current pricing and contact the seller at the ad in our marketplace. If you want to skip our write-up, a direct link to that is at the bottom of this page just below the pictures.
This is a verified Premier Listing in our Marketplace.
Summary
Classic 1977 23’ Birchaven motorhome, easy to drive and park, showing 53,600 miles with a freshly rebuilt Oldsmobile 455 V8 that has only ~3,000 miles on it and runs great. Paired with a Turbo-Hydramatic 425 transmission (Ragusa ribbed cover) and supported by an Onan 4000 generator. Sitting on Firestone LT225/75R16 Load Range E tires. Compact rear bath floorplan in a highly usable 23’ layout, making it a solid vintage coach with strong mechanicals and good drivability.
Key Info:
- Location: Davenport, IA
- Year: 1977
- Odometer: 53,600
- Length (ft): 23
- Type: Motorhome
- Model / Trim: Birchaven
- Floorplan: Rear bath
- Engine: Oldsmobile 455 V8
- Engine Details: 3,000 miles
- Transmission: Turbo-Hydramatic 425
- Transmission Details: Ragusa ribbed cover
- Generator: Onan 4000
- Tire Brand: Firestone LT225/175R16 load range E
- Air Conditioner: 13500 btu
Seller Write-up
Hard to find classic 23′ Birchaven, easy to drive and park.
3,000 miles on new motor and runs perfect.
Text or call for all details. Great unit!
Photo Gallery
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CLICK HERE to view this 1977 Birchaven 23FT in our Marketplace
**Please note this GMC RV was originally listed for sale in July of 2026. Depending on when you are viewing this article it may have since been sold.**
Last Updated on July 20, 2026 by GMC RV Ads
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