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The good news is that Toyota Prius batteries are built with high-quality materials and are designed to last for the life of the car. In fact, I myself, own a 2012 Toyota Prius, have been driving it daily and haven't changed any batteries. My mileage is still pretty strong and I think I have lost only one bar from my battery degradation.
According to Toyota, the batteries are designed to last the life of the vehicle and have a comprehensive 8-year/100,000-mile warranty. This means that in most cases, the battery should last between eight to twelve years.
That said, there are a few factors that could cause your battery to wear down sooner than expected. For example, extremely hot or cold temperatures can have an effect on a battery’s performance and life expectancy. Furthermore, if you don’t drive your car regularly, the battery could lose its charge, thereby reducing its overall lifespan.
If you think your Prius battery may be wearing down, it’s important to take it to a Toyota dealer for a diagnostic test. The technicians will be able to determine whether or not the battery needs to be replaced.
It’s important to note that the cost of replacing the battery can be quite expensive. Depending on where you live, it could cost upwards of $2,000. However, if you have the Toyota Warranty, the cost may be partially covered.
To sum up, Toyota Prius batteries are designed to last for the life of the vehicle. However, there are several factors that can affect the battery’s lifespan, so it’s important to have it checked out by a professional if you notice any signs of wear. If a replacement is needed, the cost can be quite high, so make sure to check your warranty coverage first.
Also check out Torque News Toyota reporter John Goreham's story discussing buying a Toyota Prius new hybrid battery vs having it repaired.
Armen Hareyan is the founder and the Editor in Chief of Torque News. He founded TorqueNews.com in 2010, which since then has been publishing expert news and analysis about the automotive industry. He can be reached at Torque News Twitter, Facebok, Linkedin and Youtube.
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My 2001 Prius lasted 10 years
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My 2001 Prius lasted 10 years and 330,000 miles before it quit keeping up with traffic at highway speeds going uphill because, presumably, too much energy was going into trying to continuously charge the failing batteries (gas mileage was down to around 36-38 MPG from a high of around 50 MPG). I probably would have replaced the battery (the outstanding individual cell troubleshooting and replacement information wasn't available at that time), but the dealer said "their computer" wouldn't connect with the car and they wanted me to pay $900 to replace a box just so they could troubleshoot the vehicle. Fat chance. I traded it in on a Rav4 -- the worst vehicle I have ever driven, which was traded in a few months later for a Subaru Outback, the best vehicle I have ever owned.