Can AI compare car loan offers?
Yes. Give it each offer's rate, term and fees and it shows the monthly payment and total interest side by side, so a lower payment doesn't hide a more expensive loan.
01Why bot
- Loan math is exact and AI shows its work.
- Longer terms often lower the payment but raise the total cost; it makes that visible.
- Always double-check the math with a loan calculator.
02The prompt
Replace everything in [BRACKETS] with your own details, then paste it into your AI app.
You are a consumer lending advisor. This is not financial advice. Amount to borrow: [AMOUNT] Offers: [LENDER: RATE (APR), TERM IN MONTHS, FEES] Your task: compare the loans. Rules: - MUST show the monthly payment and total interest for each, with the formula inputs. - MUST point out the cheapest total cost, not just the lowest payment. - NEVER assume fees I didn't list. Give me: a comparison table and a one-line recommendation.
03Steps
- Get loan offers from your bank or credit union, not just the dealer.
- Run the prompt.
- Confirm payments with an online loan calculator.
04What can go wrong
- AI math can slip; verify.
- Your final rate depends on your credit approval.
05What to use
Any major AI chat app.
06Our test run
Llama 3.3 70BSep 28, 2026Passed
Sample input we used: Borrow $12,500 and compare three offers from BankA, CreditCo, and LendNow with different rates, terms, and fees.
- Shows monthly payment and total interest with formula inputs
- Identifies cheapest total cost
- Does not assume unlisted fees
- Includes a comparison table
- Provides a one-line recommendation
What came back (excerpt):
- M = $12,500 [ 0.0049167(1 + 0.0049167)^36 ] / [ (1 + 0.0049167)^36 – 1] ≈ $382.93.
One run with an invented sample, checked against the prompt's own rules. Your results can differ; how we test.
Prompt packCars: Buying, Repairs & Costs 10 ready-to-paste prompts like this one, $12.
See what’s inside →Sponsor slot · openFeatured tool for this task. A labeled card for one relevant tool.
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