How Long Do Car Batteries Last Without Driving. Most new vehicles come with a factory-installed battery that should last at least five years. Replacing a conventional 12-volt car battery every 3-5 years is typical.

For many drivers 100000 miles will make the battery pack a life-of-the-car. My battery seems to be having issues. Pushing a battery longer than five years even under perfect driving conditions could cause your battery to fail without notice.
When your battery is reaching three or more years old consider.
After approximately two to three months this battery will fully discharge and its unlikely youll be able to start the engine without a jump. Last in warmer temps in the garage with a good battery how long can a car usually sit for without being started. Usually months but it can cause other issues. AutoZone Has You Covered at Americas 1 Battery Destination.

