I have had 275/65/20s and 275/60/20s on previous trucks. I preferred the 65s between those two and of course the 60s got better fuel mileage. Getting ready for new tires on my new truck and trying to decide between 275/65 and 285/60s. Wonder which one will impact fuel mileage the most? Not a lot of difference in weight so it is basically height vs width.

anyone have experience with these two sizes on their truck?

Greg.

 

275/65 tires have a 7.037" sidewall whereas the 275/60 only have a 6.496 tall sidewall...this is a significant difference in overall tire diameter. The 285/60 tires will have a sidewall of 6.732" tall. So for all, double the sidewall number and add wheel size to get your overall tire diameter, so 34.074 diameter tire fo the 275/65. I only bring this up because you mentioned fuel consumption...

 

I read the specs on the manufacturer web site and the height difference is a tick over 1/2”. The width of the 285 is about 7/8” wider. Just didn’t know or the rolling resistance of the 285/60 would have a greater impact on fuel than the taller 275/65.

Greg

 

Basically comes down to the look that your trying to achieve.

Then down to the tire weight along with the tire pressure VS ride quality.

Good luck

https://tiresize.com/calculator/
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19 F150 max tow stock 275/55/20's

 

If they are both LT tires, I wouldn't try to figure out differences in mileage, pick the on you think looks better to you in your application, or the one you can get a better price on.

For fuel mileage and ride quality the p-metric 275/60/20 is of course the way to go

 

Thanks... I tow often and like the feel of the e rated tires when towing. I never noticed a big ride difference when I switch with my old truck. 285/60s don’t seem to be a popular size so maybe sticking with what I know in 275/65/20 is my answer.

however I just realized how much more expensive the Falkens are now vs when I bought mine a few years ago. Geesh...

Greg

 

Seems like word got out on the Falkens

 

agreed, I was about to order a set with my tire guy and decided ill wait a little bit longer and probably end up with a different tire.