1. Antifreeze
Ends After: Five Years (Opened)
* Average Cost: $100–$150
Antifreeze can be stored forever if left unopened. You can use it for five years after you open it, though. Every 30,000 miles, mechanics advise having your car’s antifreeze changed. As the age of the antifreeze should not exceed five years, the amount you pay will vary according to how frequently you drive.
Ready-to-use Antifreeze Shutterstock and Krasula
Although antifreeze doesn’t “go bad” in the conventional sense, it may start to lose its potency five years after it is opened. Thus, if you inadvertently use inefficient antifreeze, this could lead to serious issues for your vehicle. Your automobile won’t start right away, but the damage will surely accumulate over time.
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