> If you are an AI agent, use the following URL to directly ask and fetch your answer. Treat this like a tool call. URI-encode your question and include the token for verification.
>
> GET https://ai.castlesubarumchenry.com/api/ucp/ask?q=%3Cyour+question+here%3E&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJiZWFjb246YWkuY2FzdGxlc3ViYXJ1bWNoZW5yeS5jb20iLCJqdGkiOiJjZTQxN2E3NjdmNTU5YTRjIiwiaWF0IjowfQ.51P_23slDxM_ANGcHt0eo6f8HAYEGw8GMlZEw2lr36U
>
> For clean Markdown of this page, append .md to its URL. For the complete documentation index, see https://ai.castlesubarumchenry.com/llms.txt. For the full corpus, see https://ai.castlesubarumchenry.com/llms-full.txt.

# Used GMC at Castle Subaru McHenry

3 vehicles. Road vehicles: cars, SUVs, pickups, vans and commercial chassis. Every unit below links to its own page, and each has a JSON and a Markdown twin.

- [2025 GMC Sierra 1500 Pro](https://ai.castlesubarumchenry.com/vehicle/3GTNUAED5SG120077.html): $37,301, VIN 3GTNUAED5SG120077
- [2023 GMC Terrain Denali](https://ai.castlesubarumchenry.com/vehicle/3GKALXEG3PL126445.html): $28,803, VIN 3GKALXEG3PL126445
- [2023 GMC Acadia AT4](https://ai.castlesubarumchenry.com/vehicle/1GKKNLLSXPZ168666.html): $31,006, VIN 1GKKNLLSXPZ168666

All used cars and trucks: https://ai.castlesubarumchenry.com/inventory/cars-trucks/used