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Overview
New cars depreciate quickly — often 20% or more in the first year — while a typical auto loan pays down more slowly. That mismatch can leave you owing more than your car is actually worth, a gap that becomes a real financial problem if the car is totaled or stolen. Gap insurance exists specifically to close that gap.
How It Works
If your car is declared a total loss, your standard collision or comprehensive coverage pays out the car's actual cash value (ACV) — not what you originally paid, and not what you still owe. If you owe $25,000 on your loan but the car's ACV is only $20,000, that $5,000 difference is the "gap." Gap insurance covers it, but only works alongside active collision and comprehensive coverage — it's not a standalone policy.
What It Costs
Cost depends heavily on where you buy it. Added to your auto insurance policy, gap coverage typically runs $20-$88 per year (some sources cite as low as $3-$20/month). Through a dealership, it's usually a one-time fee of $400-$1,000+ rolled into your financing — meaning you pay interest on it for the life of the loan, making it meaningfully more expensive over time than the same coverage through your insurer. Credit unions sometimes include gap coverage with certain auto loan products for $200-$400 flat, or free with specific loan types.
Who Actually Needs It
Gap insurance makes the most sense if you made a small down payment (less than 20%), have a long loan term (the average car loan now runs 72 months), lease your vehicle, or drive a model known for fast depreciation. It's often required automatically as part of a lease agreement. It generally doesn't cover late payments, extended warranties financed into your loan, or negative equity rolled over from a previous vehicle.