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Currently running 265/50/R19 on my petrol 2012 Lux. Wondering if 245/55/19 would work and if anyone has any input on pros/cons.

thanks
1- I have NEVER heard of someone in the USA refer to their gasser as a Petrol vehicle.
2- Why would you want to go to a narrower tire? I know most, myself included do this for Winter setups, but is this what you are doing?
 
Discussion starter · #3 ·
Before my Touareg I was active in the Mitsubishi Montero community (which is mostly Australia and South America) so just got used to petrol. I use Firestone/Bridgestone and the cost for the factory choice is fairly high. I use the Touareg almost exclusively for traveling around the city for work and almost zero “performance” use. Just looking for a cost effective option.
 
OK, so here's some dimensions of the two tires.
265/50/19 - Diameter- 29.43" Sidewall height - 5.22" Tire width - 10.43".
245/55/19 - Diameter - 29.61" Sidewall height - 5.31" Tire width - 9.65".
So your gaining .18" in diameter which will change your speed reading and odometer reading slightly, not sure exactly by how much. You gain very little sidewall height. Biggest change is the tire width @.78" or ~ 3/4". Looks like the 245's would work, it's just a matter of whether or not you can live with the other changes.
 
I'm not understanding why you want to half-ass your tire purchase
 
Yes. Did the math and it looks to be about .7% change in speed. For my needs I think this will work. Thanks.
There are various sites that will calculate the speed difference in tire size. Plug in your original tire size to get a base number, then play around with various sizes to get you the closest circumference to original.
If you are going for a winter tire then go as narrow as you possibly can. Speed rating of a given tire, H, V or better. Most tires of the Touareg’s sizes have a fairly high speed rating.
Keep in mind the load rating of each tire ie: 107, 109 etc... Touareg is heavy so 110 load rating is good. You can also check the wear and temp rating on the side of the tire. That will also give you some indication on its characteristics.
If you want the cheapest tire of a known brand then I would suggest go to 17” or 18” diameter. It will definitely be cheapest, if you have other wheels.

Hope this helps
 
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