
Yes, you can typically purchase GAP insurance after you buy a car, but your options and the cost depend on how much time has passed and where you choose to buy it. The most straightforward time to get it is from your auto lender or dealership within a specific window after the purchase, often 30 days. After that, your primary alternative is through your existing auto insurance provider or a standalone GAP insurance company.
Where to Buy GAP Insurance After Purchase
The cost of GAP insurance is influenced by your car's value, loan terms, and driving history. Generally, adding it to your existing auto policy is cheaper. For example, while a dealership might charge a flat fee of $500-$700, an insurer might charge only $20-$40 per year.
| Provider Type | Typical Cost Range | Pros | Cons |
|---|---|---|---|
| Auto Lender/Dealership | $500 - $800 (one-time) | Convenient, bundled with loan | Often most expensive, limited time window |
| Your Auto Insurer | $20 - $40 per year | Usually cheapest, easy to add/remove | Requires an active comprehensive/collision policy |
| Standalone Provider | Varies widely | Potential for competitive pricing | Less common, requires separate policy management |
Before buying, check if you even need it. If you made a large down payment (over 20%), have a short loan term, or your car depreciates slowly, the gap between your car's value and your loan balance may be small enough to make GAP insurance unnecessary.

You absolutely can, but don't wait too long. Your best bet is to call your current car insurance company right now. I did this a month after buying my last car. I just called Geico, asked to add GAP coverage, and it was sorted in five minutes. It added like $30 to my six-month premium, which is way cheaper than what the finance guy at the dealership quoted me. It’s a simple phone call that can save you a huge headache.


