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Hybrid Vehicles Toyota Prius Toyota Prius Maintenance & Repair Toyota Prius Tire/Wheel Questions
86 messages, Last post on Oct 31, 2009 at 12:13 PM
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Replying to: larsb (Oct 03, 2006 6:18 am) What is certain from many other owners reports, is that new tires must be "broken in" before you see the mileage return. It can take a few thousand miles before this happens. I don't like "airing up for mileage". Too much pressure in the tire for the load it's carrying will cause the center to wear faster than the sides of the tread. It seems to me this alone could cause more friction and lower mileage a bit (unless the pressure is so high the sides of the tread aren't in good contact with the road - in which case you have just lowered your braking and handling capabilities). If there is any question, proper inflation can be determined by using tire chalk across the tread. Drive a short distance and check for even loss of chalk. If the center wears faster than the sides, lower pressure, in the sides wear faster, raise the pressure.
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Replying to: pathstar1 (Oct 03, 2006 6:42 am) 1. Air to mfg specs, or 2. Air higher. He or she may be "comfortable" with either option. 
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Hello - I was shocked yesterday when my Prius would not pass inspection because of the tires. I was told it needed all new tires. I have 20,000 miles on the car and have owned it one year. Just wondering, have any of you had tires wear that quickly? These were the tires that came with the vehicle one year ago. At the toyota shop, I was told the tires wear a lot quicker than usual because the Prius is such a heavy vehicle, comparable to some SUV's, however, it has tires that are made for the weight of a car. Does this seem like a reasonable explanation? I really don't know and am now wondering if I will be buying 4 new tires every year. That sure will take away from the money I have been saving on gas.
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Replying to: jlondon2 (Nov 02, 2006 5:57 pm)  24,000 to 30,000 would be normal mileage for TWO YEARS on average, so you are running the heck out of those tires.  Prius Chat also has THIS THREAD about what some consider unusual wear. From YET ANOTHER FORUM a user wrote: "I use the Goodyear Integrity on my 2002 Prius. It's wearing much better than the stock Bridgestones. My first set of Potenzas wore out at 16,000 miles; the second at 30,000 (14,000 miles later). My Integrities are looking good with 45,000 on the odometer (15,000 miles of wear), and they cost half as much. I keep them inflated to 42/40 PSI. Mind you, when I go into the Toyota dealer, they yell at me saying that I'm using a tire that is not rated for that weight, 42/40 is over-inflating the tire, blah blah. But Goodyear still recommends the Integrity for the Prius Classic. So yes, you're doing this at your own risk. My MPG has not changed, but the ride is more rough with the Integrities, because of the higher tire pressure." |
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Replying to: jlondon2 (Nov 02, 2006 5:57 pm) My experience is Toyota vehicle wheels may not be aligned correctly from the factory or they take a beating during shipping. That may have had an effect. Also, if you were not watching the tire pressure closely you could have worn the tires faster than normal. Toyota's recommended pressure seems to be right at the lower limit. Many have been running the Integrities at 42PSI front and 40PSI rear and report even wear. Note also that the Integrities are just about the least expensive tires Goodyear makes, so rapid wear should be expected. Get new tires, have a "four wheel alignment" done (the front can be adjusted, but they usually just check the rear - to correct it shims are needed - not a "normal" job according to Toyota). You may want to try a little higher pressure in the tires. Never exceed the "max pressure" indicated on the sidewall. If you try a higher pressure, watch the wear of the tread. If the centre wears faster than the sides of the tread, lower the pressure, but never lower than the placard on the door jamb indicates. Most owners get 40,000 to 60,000 mi. on tires. |
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question? you hear this question come up many times i suppose! to the people who have driven in a lot of snow in all climates. if you were to let one set of tires on your prius all year round what would they be? considering ride handling rolling resistance snow traction etc.? what would be the tires for the prius? thank you for your answers.  pete
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Replying to: seeko (Nov 05, 2006 7:32 am) Please remember to check the discussion list for the appropriate discussion for your comments and questions. You'll get a better and faster response by posting in a discussion that's about the subject or problem you're interested in. |
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| I finally upgraded my standard Toyota Prius tires, which are 185/60R15, and the cheapest Goodyear offers for these kind of cars. I chose the Goodyear Assurance Triple Tread high performing tire in a larger size, 195/60R15, and the difference in handling, safety on wet/snowy roads, and road feel is immediately noticeable and terrific. the 195 size is an approved alternate size by Toyota, and is the size they now put on their vehicles sold in Europe. Cornering, braking, and straight line driving is now a solid feel. and the tires give the car a great sporty look. Hope this is useful to other owners. | |
| Any replacement tires available for the Prius other than the OEM Bridgestone Turanza? Only ones I could find were very expensive run flat tires. | |
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My car is a 2002 prius. I had one rear wheel blow out, then I had another set go bad. I have bought firestone RE 92 Potenzas. They said top of the line. I rotated once in 5,000 miles, then I went 10,000 between rotations. I got to buy 2 more tires. Outer tire, they were almost worn through. Since I did not rotate in the 5 k mile limit, they were not covered. This time I am going to watch those miles like a maniac and keep them aired up to 40 lbs, even though they said that 35 lbs is better. I am really getting scared about this tire crap. I am not one of these upper management people who want to try an experiment, I spent a good portion of my income and gambled that I would save gas in the long run. I also had a computer and a fuel pump replaced, thank god it was covered. But I had to argue like a b.... Should I just bail out now and get a toyota corolla? I think I made a big mistake buying this. Has anybody else here bailed out and went back to the old fashioned cars?
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