Factory recommended 275/60 R18 for my LC 100 but will 275/65 R18 increase the gas mileage?
Will bigger tire increase gasmileage?
- Thread starter LC 100 Bat
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gaijin
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Factory recommended 275/60 R18 for my LC 100 but will 275/65 R18 increase the gas mileage?
Just the opposite, I'm afraid
Larger, heavier tires will:
- Decrease gas mileage
- Increase brake stopping distance
- Slow acceleration
- Increase brake component (pads and rotors) wear
To what extent these negative changes affect your vehicle, whether they are significant/noticeable to you and whether the trade-off in looks/ride height are worth it to you are all a matter of just how much bigger the tire is and how tolerant you are of performance decreases.
It's just not possible to get around the physics of greater unsprung weight.
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Thanks for your comment. Good to know all these. Bat
Not necessarily. A small jump in tire size like that probably wont make that much difference due to added weight.
Depends a lot on your driving style, and especially at what speeds you do most of your driving.
If mostly highway (55+), you COULD actually see a MPG gain. I went from 31x10.5's to 33x9.5s on my 99 Taco, as well as a couple 88 PUs and an 80 Hilux, and saw 1-2 MPG gain on each of them...But that was commuting 90miles a day at 65-75MPH. This was on stock gearing (4.10s) & 5spd, except for the '80 Hilux, which had 4.56s and an R151.
The reasoning is, larger diameter tires take less revolutions to travel the same distance as smaller ones. So there is a balance between rolling weight and size.
If most of your driving is city or stop and go, yeah, constant acceleration and braking will probably negate the diameter gain, though.
Depends a lot on your driving style, and especially at what speeds you do most of your driving.
If mostly highway (55+), you COULD actually see a MPG gain. I went from 31x10.5's to 33x9.5s on my 99 Taco, as well as a couple 88 PUs and an 80 Hilux, and saw 1-2 MPG gain on each of them...But that was commuting 90miles a day at 65-75MPH. This was on stock gearing (4.10s) & 5spd, except for the '80 Hilux, which had 4.56s and an R151.
The reasoning is, larger diameter tires take less revolutions to travel the same distance as smaller ones. So there is a balance between rolling weight and size.
If most of your driving is city or stop and go, yeah, constant acceleration and braking will probably negate the diameter gain, though.
