Tire Theory for the Limited Model

I'm new to the forum and new to 4Runner, yes have searched diligently...
Getting ready to purchase a 2015 SR5(RWD), have driven one as well as a Limited. On the road the Limited handled much better than the SR5. Much appreciate the post that explains the X-REAS. It's apparent that I'm not comparing similar vehicles. My question is how significant a role do the 20" wheels, with reduced sidewall flex, positively effect the handling? Discounting aesthetics, and tire selection would it be worth it to try and include a wheel swap in my purchase? I know there are many owners who have done this but I can't seem to find any reports/reviews that bear out the positive handling of the switch. Thanks in advance and if this has been covered and I missed it pleased point me in the right direction - no worries on the flaming either.
TIA,
Neil

*the SR5 is my budget point and trying to sell an 05 Tundra TRD Stepside asap to make it happen.
 
I'm new to the forum and new to 4Runner, yes have searched diligently...
Getting ready to purchase a 2015 SR5(RWD), have driven one as well as a Limited. On the road the Limited handled much better than the SR5. My question is how significant a role do the 20" wheels, with reduced sidewall flex, positively effect the handling? Discounting aesthetics, and tire selection would it be worth it to try and include a wheel swap in my purchase? I know there are many owners who have done this but I can't seem to find any reports/reviews that bear out the positive handling of the switch. Thanks in advance and if this has been covered and I missed it pleased point me in the right direction - no worries on the flaming either.
TIA,
Neil

*the SR5 is my budget point and trying to sell an 05 Tundra TRD Stepside asap to make it happen.

They make hardly any difference, and definitely not worth spending money on. Save that money and get some bilstein 5100 shocks, even if you never lift or adjust it will make a bigger difference in ride quality. When you replace the stock tires you could go LT as well which will stiffen the ride. Adding onto a relavent thread gets you points so dont worry, doubt anyone would give you the "search" lecture.

to add on I don't see any dealer swapping the wheels without tacking on cost and that's where I'd say save that money for better shocks. If it was a free swap there should be some benefit, but tire selection concerns would come up, not just choices as you'll save money in the long run with the 17" tires versus 20's.
 
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I'm new to the forum and new to 4Runner, yes have searched diligently...
Getting ready to purchase a 2015 SR5(RWD), have driven one as well as a Limited. On the road the Limited handled much better than the SR5. Much appreciate the post that explains the X-REAS. It's apparent that I'm not comparing similar vehicles. My question is how significant a role do the 20" wheels, with reduced sidewall flex, positively effect the handling? Discounting aesthetics, and tire selection would it be worth it to try and include a wheel swap in my purchase? I know there are many owners who have done this but I can't seem to find any reports/reviews that bear out the positive handling of the switch. Thanks in advance and if this has been covered and I missed it pleased point me in the right direction - no worries on the flaming either.
TIA,
Neil


*the SR5 is my budget point and trying to sell an 05 Tundra TRD Stepside asap to make it happen.

When I purchased my 2013 LE I really liked the cornering compared to the SR5 but I hated the skinny tires. The stock 20" rims are 7" so leaves you with no choices for larger tires if you stick to recommended manufactures rim widths. I decided to ignore that and got Michelin LTX MS2's in 275/55/20 which got ride of the skinny tire look and actually handled a little better than the stock.

A little while later due to all the great looking rigs on this forum, I decided I "needed" some after market rims and bought the Konig Six Shooters. For tires I researched for awhile and decided based on numerous good posts, went with Cooper AT3 265/70/17 in the P rating. I was a little disappointed that the firmness in cornering reduced some from the taller side wall. I talked with my tire shop and they suggested to switch them out for the same tire in LT C rating. The stiffer LT C range tire returned the cornering to about were I had been with the Michelin tires.

So, I would not be one to recommend going to the skinny LE wheels thinking to get a better ride. Stiffer 17" tires can get you similar results, but bottom line, in my opinion, the X-RES is the majority of the ride difference.
 

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