> 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.castlechevynorth.agentreadydealer.com/api/ucp/ask?q=%3Cyour+question+here%3E&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJiZWFjb246YWkuY2FzdGxlY2hldnlub3J0aC5hZ2VudHJlYWR5ZGVhbGVyLmNvbSIsImp0aSI6ImQ2NGQwNjkwZDczNzFkYTUiLCJpYXQiOjB9.MlruxfZWIInwxW_Dds_6k9RzkdLHL3drHoy3xIl0-Vs
>
> For clean Markdown of this page, append .md to its URL. For the complete documentation index, see https://ai.castlechevynorth.agentreadydealer.com/llms.txt. For the full corpus, see https://ai.castlechevynorth.agentreadydealer.com/llms-full.txt.

# Used GMC at Castle Chevrolet North

4 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.

- [2026 GMC Sierra 2500 HD AT4](https://ai.castlechevynorth.agentreadydealer.com/vehicle/1GT4UPE73TF131803.html): $72,977, VIN 1GT4UPE73TF131803
- [2024 GMC Terrain AT4](https://ai.castlechevynorth.agentreadydealer.com/vehicle/3GKALYEG4RL233402.html): $28,117, VIN 3GKALYEG4RL233402
- [2024 GMC Sierra 1500 SLE](https://ai.castlechevynorth.agentreadydealer.com/vehicle/3GTPUBEK6RG417995.html): $33,977, VIN 3GTPUBEK6RG417995
- [2023 GMC Acadia SLT](https://ai.castlechevynorth.agentreadydealer.com/vehicle/1GKKNUL44PZ172283.html): $27,477, VIN 1GKKNUL44PZ172283

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

_Prices checked against inventory data from Oct 6, 2026, 6:49 PM ET._