
Car batteries at Costco typically range from $80 to $200, with the final price depending on the battery's group size, Cold Cranking Amps (CCA), and warranty length. Costco, through its partnership with Interstate Batteries, is known for offering significant value, often including a free installation service and a very competitive pro-rated warranty.
The core cost is for the battery itself, but it's crucial to factor in a core charge. This is a refundable fee (usually around $15-$20) applied when you don't trade in your old battery. The most significant advantage at Costco is the warranty structure. Their batteries often come with a 3-year or 36-month free replacement period, followed by a pro-rated warranty, which can be more generous than many auto parts stores.
| Battery Type (Group Size) | Typical Price Range | Key Features (e.g., CCA, Warranty) |
|---|---|---|
| Size 35 (Common for Hondas, Toyotas) | $90 - $130 | 640-700 CCA, 36-month free replacement |
| Size 65 (Common for many GM vehicles) | $100 - $150 | 750-850 CCA, 36-month free replacement |
| Size 24F (Common for many Fords, Acuras) | $110 - $160 | 710-800 CCA, 36-month free replacement |
| AGM (Absorbent Glass Mat) Battery | $180 - $220+ | 700-800 CCA, longer lifespan, for start-stop systems |
Before heading to the warehouse, check your vehicle's manual for the correct group size and CCA rating. You can also use the online tool on Costco's or Interstate's website. While prices are generally consistent, calling your local warehouse is wise as inventory can vary. The combination of fair pricing, a strong warranty, and often-free installation makes Costco a top choice for a straightforward battery replacement.

You're looking at around a hundred bucks for a standard one, give or take. I just bought one for my son's Civic last month. The best part was that the price included them putting it in right there in the parking lot. No hassle, no extra charge. Just make sure you know your car's battery size before you go. It’s a pretty painless experience compared to the auto parts store.

The value proposition at Costco is exceptional. Their Interstate-branded batteries are priced competitively, often 20-30% less than comparable options at dedicated auto retailers. The key differentiator is the warranty. Most come with a full 36-month replacement policy, not a pro-rated one from day one. This, combined with the included installation service, positions Costco not as the cheapest, but as the best value-for-money option for a reliable battery.


