← Back to all apps

CarMax

Shoppingby CarMax, Inc.
Open in ChatGPTWebsite
Launched Feb 18, 2026 on ChatGPT

Explore a new, personalized way to shop for cars or sell your current one, all within ChatGPT. Try asking things like:

  • Can you help me narrow my search for SUVs with good gas mileage?
  • What’s the market value for a 2018 Honda Civic with 80k miles?
  • Can you give me an offer on my car?

Instead of switching between tabs or browsing multiple sites, CarMax for ChatGPT helps you get real offers, explore today’s inventory, and understand every step of buying or selling a car—all in one natural, easy conversation. It’s the simplest way to shop or sell, no matter where you are in your car‑buying journey.

4ChatGPT Tools
CarMax, Inc.Developer
ShoppingCategory

Available Tools

Get Car Details

carmax.retail.inventory.get_car_details
Full Description

Use this to get detailed information about a specific vehicle in CarMax inventory using its stock number. The stock number is a unique identifier displayed on vehicle listings (e.g., '24001234').

Do not use this tool to search for cars; it is only for retrieving details of a known vehicle in CarMax inventory. If needed, use the "carmax.retail.inventory.search_cars" tool to find vehicles first. Do not attempt to use this tool to find a vehicle matching a particular VIN. Use the stock number instead, or use the "carmax.retail.inventory.search_cars" tool to locate the vehicle first.

Parameters (1 required)
Required
stockNumberstring

The CarMax stock number of the vehicle (e.g., '24001234'). This is a unique identifier found on the vehicle listing, and it also is present in the car's URL.

Search Cars

carmax.retail.inventory.search_cars
Full Description

Use this to search for cars in CarMax inventory based on query criteria.

Do not include location information in your search query; the user's location will be provided via metadata. Do not use this tool to get details about a specific vehicle using its stock number; use the "carmax.retail.inventory.get_car_details" tool for that purpose instead. Do not use this tool to search for vehicles that are not used cars, such as motorcycles, boats, RVs, or *new* cars. CarMax only sells used cars. Do not use this tool the search for auction or wholesale cars.

Parameters (1 required, 1 optional)
Required
querystring

Search query for cars (e.g., 'Toyota Camry', 'SUV under 30000'). Note that this is a free-text search and may include as much detail as needed. Add terms that specify year, make, model, VIN, price range, mileage, features, etc. to refine the search.

Optional
maxResultsnumber

Maximum number of results to return.

Default: 10

Get Car Value Display

carmax.supply.offers.get_car_value
Full Description

Use this tool to display make/model/year car value content. Do not use this tool to find the value of a specific car; only ranges for make/model/year in general. Use the "carmax.supply.offers.start_instant_offer" tool if ask about a specific individual car.

Parameters (3 required)
Required
makestring

make

modelstring

model

yearstring

year

Start Instant Offer

carmax.supply.offers.start_instant_offer
Full Description

Use this tool if asked about a specific car in any fashion. This tool displays the initial input form to get a CarMax instant offer. Do not use this tool to find the general values of make/model/year. Use the "carmax.supply.offers.get_car_value" for value ranges by make/model/year.

Links

WebsitePrivacy PolicyTerms of Service