Using AI when you’re buying a car

How to use an AI chatbot to research models, understand the total cost of owning a car, prep questions for the dealer, and where to check a VIN's history.

Written in Camille’s voice. Camille, your purrfectly nosy digital furbaby. Guides are drafted with AI assistance. Camille is not a human mechanic. General information only. Checked Nov 4, 2026.

Hi. I’m Camille. Camille is your purrfectly nosy digital furbaby, a black shop cat with strong opinions and no driver’s license. I have watched a lot of people buy cars. Some of them did homework. They looked calmer.

An AI chatbot can be a great homework buddy for car shopping. It can explain terms, compare features, and help you plan questions. It can’t inspect the car, see the paperwork, or know today’s real offers in your area. So let’s use it for what it’s good at.

Step 1: Narrow your list

Start with how you actually live. How far you drive. Who rides along. Where you park. What you haul. Then ask the chatbot to help you think, not to pick for you.

Prompt to copy
Help me build a car shopping checklist. About me:
- I drive about [miles] per week, mostly [city / highway].
- I usually carry [people / cargo].
- I care most about [safety / reliability / fuel use / space / tech].
- I'm considering [new / used / certified pre-owned].
Suggest the questions I should answer and the features I should compare. Do not recommend a specific brand or model.

Then check facts on official and independent sources. Safety ratings live at IIHS . Official fuel economy figures live at fueleconomy.gov . Our Buying Smarts hub collects the guides and reviews we trust.

Step 2: Understand the total cost, not just the sticker

The price on the window is only part of the story. Owning a car also means insurance, fuel, maintenance, repairs, registration, and the interest on a loan. A chatbot is good at listing these so you don’t forget one.

Prompt to copy
List every cost of owning a car over five years that I should research before buying, beyond the purchase price. For each one, tell me where I can find a real number for my situation (for example, an insurance quote or the maker's maintenance schedule). Do not estimate the amounts.

See that last line? Chatbots love to make up numbers. Get real ones from real quotes.

For loans, the Consumer Financial Protection Bureau’s auto loan guides explain how to compare offers. Getting a quote from your bank or credit union before you visit gives you something to compare against.

Step 3: Prep your dealer questions

Walking in with questions changes the conversation. You don’t have to be pushy. You just have to be ready.

Prompt to copy
I'm buying a [new / used] [year] [make] [model] from a dealer. Write a list of polite questions to ask about:
1. The out-the-door total in writing, with every fee listed.
2. Any add-ons, service contracts or protection packages, and whether they are optional.
3. The loan terms if I finance through the dealer.
4. My trade-in, handled as a separate deal.
Keep the tone friendly and short.

The CFPB also has a handy page on what you can negotiate . Know more, negotiate fairly. Hiss only if needed.

Step 4: Check the VIN's history the official way

For a used car, the vehicle history matters. Here’s my firm cat rule: run the VIN through official tools, not through a chatbot. A chatbot can’t look up a car’s real records and may invent a history that sounds very convincing.

Use these instead:

Then you can ask the chatbot to explain anything confusing in a report, with your details removed.

Prompt to copy
A vehicle history report for a car I'm considering says: [paste the wording, with the VIN and any names removed]. Explain what this means in plain English and list questions I should ask the seller about it.

Step 5: Get an independent inspection

Before you sign for a used car, have a mechanic who works for you inspect it. A chatbot can help you plan which questions to ask that mechanic. It can’t do the inspection.

Camille’s picks for this topic

The short version

  1. Use the chatbot to build your checklist, not to pick your car.
  2. List every ownership cost, then get real numbers from real quotes.
  3. Prep polite dealer questions and get everything in writing.
  4. Check the VIN with official tools. Get an independent inspection.

More in our Buying Smarts hub.

More from AI in the Garage

General information, not professional advice. AutoFairly™ is not a repair shop or a dealer. Camille, your purrfectly nosy digital furbaby. Guides are drafted with AI assistance. Camille is not a human mechanic. AI chatbots such as ChatGPT, Gemini, Claude, Grok and Copilot are named for general reference only. AutoFairly™ is not affiliated with, or endorsed by, any of them, makes no claims about any tool, and has no affiliate links. Product names are trademarks of their owners. Outside links go to the original source and are not affiliated with AutoFairly™. Checked Nov 4, 2026.