Estimates only. Not insurance advice. Get a real quote before you buy.
CarInsuranceCostPerMonth.com

Updated April 2026 | Insurance Information Institute, NerdWallet 2026

Car Insurance Bundle Discount Per Month: 10 to 25% Combined Savings

Auto plus home is the canonical bundle. State Farm, Liberty Mutual, USAA, Allstate lead. Carrier-by-carrier savings, the auto + renters case, and the multi-line stack with motorcycle, RV, and boat.

Carrier bundle savings ranked

CarrierAuto+Home savingsNotes
State Farm17-25%Underwrites both. Industry-leading
USAA17-22%Military-eligible. Both underwritten
Liberty Mutual15-20%Both underwritten. Strong claims
Allstate10-25%Varies by state and product mix
Nationwide10-20%Both underwritten in most states
Farmers10-18%Both underwritten in most states
Travelers10-15%Both underwritten
Erie10-15%Both underwritten in 12-state footprint
GEICO5-10%Acts as agent for home carrier partner
Progressive5-12%Both underwritten in some states

The bundle is not always the cheapest total

A common error: assuming that the largest bundle discount carrier gives you the lowest total cost. That is not always true. The bundle discount is applied to the carrier's base rate, which may not be the cheapest in either line individually.

Concrete example. A household needs auto and homeowners coverage. They get four quotes:

  • State Farm bundle: $200 auto + $145 home = $345/mo unbundled, $290/mo bundled (15% off)
  • GEICO auto + Liberty Mutual home (separate): $170 auto + $130 home = $300/mo (no bundle, but cheaper carriers in each line)
  • Allstate bundle: $230 auto + $160 home = $390 unbundled, $312 bundled (20% off)
  • USAA bundle (if eligible): $155 auto + $115 home = $270 unbundled, $230 bundled (15% off)

The winner is USAA's bundle if eligible at $230/mo. The runner-up is the unbundled GEICO + Liberty Mutual combination at $300/mo. State Farm bundle at $290/mo is third. Allstate bundle at $312/mo is fourth, despite having the largest percentage bundle discount, because the base rates were higher to start.

The lesson: always quote both bundled and unbundled at 4 to 5 carriers. The bundle wins on convenience (one bill, one renewal, one agent), but the dollar amount may favour unbundled at best-of-breed carriers in each line.

The auto + renters case

For renters, bundling auto with renters insurance is almost always free or net-positive. A typical renters policy costs $12 to $20 per month for $20,000 to $50,000 in personal property coverage plus $100,000 to $300,000 in personal liability. The auto bundle discount typically generates $10 to $25 per month in auto savings, which often exceeds the renters policy cost. Net result: free renters insurance plus a small auto premium reduction.

For renters who do not currently have renters insurance (the majority of US renters), this is the cheapest way to add coverage of personal belongings, liability protection, and loss-of-use coverage if the rental becomes uninhabitable due to fire or water damage. The bundle savings make renters insurance effectively free or close to it.

Bundle discount FAQs

How much do bundle discounts save per month?
Bundling auto and home with the same carrier typically saves 10 to 25 percent on the combined premium, per the Insurance Information Institute and NerdWallet 2026 carrier comparisons. On a household paying $208 per month for auto and $125 per month for homeowners ($333 combined), a typical 15 percent bundle discount saves $50 per month, or $600 per year. Larger bundles (auto, home, plus life or umbrella) can save additional 3 to 8 percent on each policy.
Which carriers have the best bundle discounts?
State Farm consistently offers the largest auto-home bundle savings (typically 17 to 25 percent on auto when bundled with home). Liberty Mutual offers 15 to 20 percent bundle savings. Allstate offers 10 to 25 percent depending on state and product mix. USAA offers strong bundle savings for military-eligible customers. GEICO acts as agent for partner home carriers and offers a smaller bundle savings of 5 to 10 percent. Progressive offers 5 to 12 percent depending on state. The best bundle savings are at carriers that underwrite both auto and home directly, rather than acting as agent for a partner.
Does bundling renters insurance save on car insurance?
Yes. Bundling auto with renters insurance typically saves 5 to 12 percent on the auto premium. The savings are smaller than auto-plus-home but the math is still favourable. A typical renters policy costs $12 to $20 per month, and the auto savings from bundling typically exceed the renters policy cost. Net effect: you get renters insurance essentially free plus a small reduction on your auto premium. For renters who do not currently have renters insurance, bundling is the cheapest way to add coverage of personal belongings, liability for guests, and loss-of-use coverage if your rental becomes uninhabitable.
Is bundling always cheaper than separate policies?
Not always. Bundling generates a discount on each policy, but the underlying policies may not be the cheapest available at each carrier. Example: State Farm bundle saves you $50 per month combined, but a separate Allstate auto policy plus a separate USAA homeowners policy might actually total $40 per month less than the State Farm bundle even with no bundle discount. Always quote both ways: bundled at 3 to 5 carriers, and unbundled at the best-of-breed carrier in each line. The bundle usually wins on convenience and on combined price, but verify with quotes.
What happens to my bundle if I drop one policy?
The bundle discount typically applies only while both policies are in force at the same carrier. If you drop the home policy (e.g., you sell your home and move to a rental, or you switch home carriers for a better rate), the auto premium reverts to the unbundled rate at the next renewal. Some carriers offer a transition discount for 6 to 12 months after one policy ends, allowing time to bundle again with a new product. Always understand the bundle terms before relying on the long-term savings.
Can I bundle auto with motorcycle or RV insurance?
Yes. Most carriers offer multi-vehicle bundling that includes auto plus motorcycle plus RV plus boat plus snowmobile. Each additional policy typically generates a 5 to 12 percent discount on the entire bundle. Progressive is particularly strong in motorcycle, RV, and boat insurance. State Farm and Allstate also write all these lines. Specialty bundles can save 20 to 35 percent across the full set of policies vs writing each at a different carrier.
Does bundling affect claims handling?
Generally no. Each policy is still handled by the carrier's relevant claims unit (auto claims, home claims, etc). The bundle is primarily a pricing arrangement, not a claims arrangement. However, in disaster scenarios where both your home and vehicle are damaged simultaneously (hurricane, wildfire, hailstorm), having both policies at the same carrier can simplify the claim process because one adjuster can coordinate both claims and one deductible structure applies (some carriers waive the auto deductible if the same event triggers a home claim, but verify in the specific policy).