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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: mtufts (Oct 13, 2006 2:27 pm) |
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| I just bought some new tires for my '05. They are all Season tires with alot deeper tread than the original tires. Since the new tires were put on, I have noticed a significant drop in MPG. Can anyone give some comments on this based on their experiences? | |
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Replying to: kevreg (Oct 03, 2006 5:37 am) What this means is that if you move to another type of tire, you will lose MPG because of more tire and more rubber on the road. This means more friction and more work for the engine to "push" the car down the road, which means more fuel used. My suggestion is to air those new tires up as high as you are comfortable with and be happy you are driving a high mileage car.... 
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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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