How Much Does Raising Your Deductible Actually Lower Your Premium?
Raising a deductible is one of the few changes to an insurance policy that produces an immediate, visible result: a lower premium quote on the spot. But the size of that discount rarely moves in a straight line with the size of the deductible change, which makes the tradeoff harder to judge than it first appears.
The short answer
A higher deductible generally lowers a premium because it shifts the cost of smaller, more frequent claims away from the insurer and onto the policyholder. The size of the discount depends on how claims of different dollar amounts are typically distributed for that type of coverage, not simply on how much the deductible number goes up. Doubling a deductible rarely doubles the savings, and each additional increase tends to buy a smaller discount than the one before it.
Why the discount isn’t proportional
Insurers price a deductible using data on how often claims happen and how large they tend to be. Moving from a very low deductible to a moderate one usually removes a large share of the small, frequent claims an insurer expects to pay — think minor damage, small mishaps, the kind of loss that happens often across a pool of policyholders. Moving from a moderate deductible to a much higher one removes fewer additional claims, simply because fewer claims fall in that higher range to begin with. That’s the core reason the second jump in deductible tends to buy less premium relief than the first.
What actually happens to the risk
The cost of those smaller claims doesn’t vanish when the deductible rises — it moves.
- The insurer’s expected payout shrinks. Fewer small claims means the insurer sets aside less to cover them, which is reflected in the premium.
- The policyholder absorbs more of the common, lower-cost losses. Anything under the new deductible line becomes an out-of-pocket expense instead of a claim.
- The large, rare losses are still covered on the same terms. A high deductible mainly changes who pays for the small stuff, not how catastrophic losses are handled.
Weighing the savings against a realistic claim
The useful exercise isn’t just comparing premium quotes side by side — it’s picturing what a plausible claim would look like at each deductible level and asking whether the difference in premium actually offsets the difference in what would come out of pocket. A deductible increase that saves relatively little each year, but sharply raises what would need to be paid after a common type of loss, may not be worth it for a household without much cushion. This is closely tied to whether there’s a larger emergency fund available to absorb that gap if a claim happens.
Other factors that shape the size of the savings
The exact discount for any given deductible change also depends on the type of coverage, the location and condition of the insured property, and each insurer’s own claims history and underwriting approach — all of which shift over time and vary by company, so no fixed percentage applies universally. Bundling policies or adjusting other parts of coverage can also change how much a deductible increase saves, which is one reason bundling multiple policies is sometimes evaluated alongside a deductible change rather than on its own.
The takeaway
Because the discount from raising a deductible tends to shrink with each additional increase, it’s worth requesting quotes at a few different deductible levels rather than assuming that going as high as possible is automatically the best move. Comparing the actual dollar savings at each level against a realistic claim scenario gives a clearer picture than the premium number alone.