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The bigger the tire and heavier the car the car will slide in slippery road conditions
PCR: Passenger Car Radial TBR: Truck and Bus Radial A TBR tire can handle a heavier load than a PCR tire, and it's usually bigger.
A full tire is heavier than a flat tire. When a they are both flat they weigh the same but added air makes the full tire heavier.
There would be no detectable difference.
Depending what size tire you have, for example the factory tires your looking at average of 23hwy/18city but you replace with over size tires for example 33x12.5R15 It's bigger/heavier tire which will drop your MPG about 15%-20%.
No, heavier by the weight of the extra air put inside it. Even if you filled the tire with helium it is still heavier, although the additional weight would be less than the additional weight of air.
As long as it's a comparable tire, yes (depending on what a "five bigger" Caprice is...)
to clear the wider rear tire
The bigger the number the bigger the tire A compact car will have like a 13 inch and a pick up or SUV would be a 15 on up.
NO. The tire is an inch bigger around than the rim....
All types of friction increase fuel consumption. Wind resistance. Tire resistance. (The bigger the tire, the bigger the contact patch, the more resistance.) Engine parts, etc.
Friction is the resistance to sliding and as a tire rolls it does resist friction, otherwise it would slide.