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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
You are in the Toyota Prius Maintenance & Repair Forum. Your Host is pf_flyer
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Among the many myths that I hear concerning the performance of a Prius - lack of power, lack of fuel savings against conventional engines, expensive battery replacements - my supervisor claims that a Prius wears through tire tread faster than other vehicles because of the weight of the battery pack. I would enjoy responding with a technical analysis of this myth based on the experience of other operators. What is the weight of a Prius, with light construction materials, compared to the average SUV? What is the life expectancy of tires on a Prius versus other typical vehicles? What is the cost of tire replacement? I cannot imagine any basis for any problems with a Prius over the lifetime operation costs of SUVs. I am tired of hearing from the misinformation campaigns. 
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Replying to: snowboarder4 (Apr 03, 2008 8:47 am) |
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Replying to: turdfergusson2 (Apr 22, 2008 5:22 pm) 
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Hi I am in the process of buying an '08 Prius... I was wondering if I should stick with the stock tires or have the dealer trade them out for something that handles better, but does not impact the gas mileage....?? Looking for advice and experience.......
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Replying to: hihostevo (Apr 24, 2008 10:45 pm) |
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After researching tires for my 2006 Prius, I replaced the stock Integrities with MUCH higher rated Assurance ComforTreds the day it was delivered. The specs and evals on Tire Rack's site (and others) convinced me I didn't want to risk using Integrity tires. The Comfortreds handle well, but wore down to 4/32 in 40K miles. I rotated faithfully and check air pressure twice per month (42/40). Even wear, but that's 6,700 miles per 32nd, or 53K miles to 2/32 - not a safe limit. (I replace at 4/32 minimum.) SHOULD be 50% better with an 80K mile rating. GoodYear was very amenable about adjusting for premature wear, but I had to push the dealer. The tires drive smooth, but transmit road noise even when new. Will likely try Michelins next time. Gas gauge is not precise, nor is fuel economy meter - just an estimate, due to bladder and mpg averaging computation. I average about 45 mpg, 90% highway at 70 mph. Does better around town - about 51 mpg. Not as advertised, but great! NAV system good, but wasn't up-to-date. Still isn't, even with latest update. Wasted money - should have bought a "constantly updated" add-on instead of CD loaded. I bought a 100K-mile platinum extended warranty from dealer for under $1,000. Just had an HID headlamp go bad, and was covered. Per dealership, "Brakes will last well over 100K due to recharge braking system." But then, hasn't ever replaced an HID headlamp, either! VERY disappointed with lack of dealership Prius savvy. I've had to guide THEM! Better info on Prius forums. Lazy service technicians! Can't tow a trailer, temporary bike rack slashed MPG. Aerodynamic lesson learned. Electric A/C compressor is fantastic, once you learn how to lock the Prius! (I have the SMART keyless entry/ignition proximity system.) Can leave dog in A/C comfort. If I were buying another car, it would be another Prius (but WITH the Touring Pkg), unless I needed trailer-towing capacity. For HIGHWAY USE, the Corolla would have been almost as good a choice. But with today's gas prices, I'm GLAD I bought this PRIUS!!! I tested a Civic hybrid - powerless contender! Prius is QUICK! And believe me, it's bigger than it appears.
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I just took my 07 prius to the local j-lube for an oil change and tire rotation on Wednesday. Today (almost one week later) the traction warning light came on as my wife drove to work. Same route as she always takes, no new or unusual road conditions, just the normal road bumps she always hits. Could the tire rotation be related to the sudden occurrence of the light? |
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I decided to purchase tires for my 2004 Prius from a tire dealer rather than the Toyota Dealer because this will be my 3rd set of 4 tires with only 81K miles. The Toyota Dealer also quoted $585 and the tire dealer quoted $380. The tires will be P185-65R15-86T. I currently have the same tire except 86S at the end. Does anyone know the difference? Which tire is preferable, the 86T or 86S? Thank you! GC
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Replying to: gcramer (Dec 03, 2008 7:42 am) S is nominally good for 112 mph tops, T for 118 mph. So the T is nominally a better tire, all else being equal.
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