Cash Back vs Low Interest Calculator
Compare a cash rebate offer against special low-interest financing to see which deal saves you more.
💵Cash Back Offer
📉Low Interest Rate Offer
🚗Other Information
Include all fees and taxes in loan?
Sales tax & fees will be paid upfront at purchase (lower monthly payments, higher upfront cost)
Understanding offers
What Is a Cash Back or Low Interest Calculator?
When buying a new car, you may see two attractive offers from the dealer or manufacturer: cash back or low-interest financing. At first, both deals may look good, but they do not save money in the same way.
A cash back offer reduces the price or loan amount of the vehicle. A low-interest offer reduces the cost of borrowing money. The better option depends on the car price, rebate amount, interest rates, down payment, loan term, taxes, fees, and your personal financing situation.
Our Cash Back or Low Interest Calculator helps you compare both offers side by side so you can see which one may cost less overall.
For example, a dealer may offer:
- Option 1
- $1,000 cash back with 5% interest
- Option 2
- No cash back with 2% interest
Cash back
How Cash Back Offers Work
A cash back offer is a rebate from the manufacturer or dealer. It usually reduces the amount you need to finance. Then your down payment, trade-in value, taxes, and fees are applied.
Low interest
How Low Interest Works
Low interest financing gives you a reduced APR, sometimes from the manufacturer's financing company. Instead of receiving a cash discount, you pay less interest over the life of the loan.
Main differences
Main Differences
A cash back offer feels attractive because the discount is immediate. But a low interest rate can sometimes save more money over the full loan term.
- Cash Back
- Reduces the loan amount directly
- Low Interest
- Reduces the borrowing cost (interest)
- Down Payment
- Reduces both loan amount and interest
- Trade-In Value
- Reduces the amount financed
- Taxes and Fees
- Can increase upfront cost or loan amount depending on your choice
Cash back strategy
When Cash Back May Be Better
- 1
The rebate amount is significantly large.
- 2
The difference between the high and low interest rates is small.
- 3
The loan term is relatively short.
- 4
You already qualify for a great loan rate from your bank or credit union.
- 5
You want to reduce the amount financed immediately.
Low interest strategy
When Low Interest May Be Better
- 1
The promotional APR is much lower than standard rates.
- 2
The loan term is long, meaning interest can pile up.
- 3
The cash back amount offered is relatively small.
- 4
You want a lower monthly payment to ease cash flow.
- 5
You plan to keep the loan for its full duration.
Taxes and fees
Should You Include Taxes and Fees in the Loan?
Some buyers pay taxes and fees upfront. Others roll them into the loan.
- Include taxes and fees in the loan
- If you include taxes and fees in the loan, your upfront payment may be lower, but your loan amount will be higher.
- Pay taxes and fees upfront
- If you pay taxes and fees upfront, your loan amount is lower, but you need more cash at the time of purchase.
Frequently Asked Questions
It depends entirely on the numbers. Cash back lowers the loan amount, while low interest lowers the borrowing cost. The better option is the one with the lowest total cost over the life of the loan.
Sometimes yes, but many manufacturer offers are mutually exclusive. You typically have to choose either the rebate or the promotional APR.
Not always. Low APR saves a lot on longer loans, but a massive cash rebate can sometimes outperform an APR discount if the interest rate difference isn't steep enough.
You should compare both, but total cost is usually more important for long-term wealth. Monthly payment shows your short-term affordability, while total cost shows how much you actually pay overall.
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