What gap insurance covers
After a total loss — a bad crash, a deer strike that wrecks the car, theft — your collision or comprehensive coverage pays the vehicle's actual cash value (ACV), what it was worth the moment before. If you owe more on your loan or lease than that value, you're stuck paying the difference out of pocket. Guaranteed Asset Protection (GAP) covers that gap.
Who actually needs it
You're a strong candidate for gap coverage if you:
- Made a small down payment (under ~20%)
- Financed for a long term (60, 72, or 84 months)
- Lease your vehicle (gap is often required, or even built into the lease)
- Rolled negative equity from a trade-in into the new loan
- Bought a vehicle that depreciates quickly
You probably don't need it if you:
- Paid cash or owe little on the car
- Made a large down payment and have a short loan
- Own a vehicle that's already worth more than the loan balance
Where to buy it (and where not to)
You can usually buy gap three ways, and the price varies a lot:
- From your auto insurer as an add-on to your policy. Often the cheapest — commonly $20–$60 a year — and it drops off when you no longer need it.
- From the dealership at financing. Convenient but frequently the most expensive, sometimes several hundred dollars rolled into the loan (so you pay interest on it).
- From your lender or credit union as a loan add-on.
Compare the insurer route before signing dealer gap. If you already bought dealer gap, you can often cancel it for a prorated refund and switch to a cheaper option.
Gap requires full coverage
Gap only works alongside collision and comprehensive — it pays the difference after those coverages pay the ACV. If you drop full coverage, gap has nothing to build on. Not sure full coverage still makes sense? Check our full-coverage worth-it calculator.