Auto manufacturers often offer either a cash rebate or a below-market interest rate — rarely both. Compare the two to see which one actually saves you more.
A cash rebate is a fixed, one-time discount — its value doesn't depend on how long you finance the car. A low interest rate's value compounds with the size of the loan and the length of the term: the more you borrow and the longer you take to pay it off, the more a lower rate is worth in saved interest. That's why the "better" offer flips depending on your specific loan amount and term, not just the headline numbers on the two offers.
Cash back has the edge on shorter loans, smaller loan amounts, or when the rate gap between the two offers is narrow — there simply isn't enough time or principal for the lower rate to accumulate meaningful interest savings before the loan is paid off.
Often yes, but dealers sometimes treat manufacturer incentives as tied to the sticker price — it's worth asking explicitly whether negotiating the price affects your eligibility for either offer.
Generally yes — interest accrues over the life of the loan, so a longer term gives a lower rate more time to out-save a fixed cash rebate.
It's a strong financial signal, but also consider your cash flow needs — cash back reduces what you need to finance today, while a low rate reduces cost spread out over the loan. Depending on your situation, one may fit your budget better even if the other saves marginally more.
Pick another financial tool to jump straight to it.
Estimate car payments including taxes, fees, and trade-in value.
LiveEstimate monthly payments, interest, and payoff timelines for a home loan.
Estimate monthly lease payments and compare leasing against buying.