Originally Posted by QSVeilside

Keep in mind that 20"s on average weigh 37 lbs. The cheaper they get, the heavier. Your stock wheels weigh 22.5 lbs. That's a significant increase in rotational mass. 275/45/20 weigh on average 37 lbs, which is about the average weight of 265/70/16. So with the wheel tire combo, you gain 14.5 lbs. This will place excess stress on your bearings, braking components, and WILL affect your performance as well as your MPG's. Expect the feel of adding 8 lbs of sprung weight to your vehicle per pound of rotating mass. 14.5 lbs x 4 = 58... 58 unsprung weight x 8 lbs of sprung weight/unsprung weight = the EFFECT of about 464 lbs of excess weight you'll be dragging around by going with 20"s. Next time you take three 150 lb folks in your truck, take note of how the truck accelerates and brakes.

Considered going with 20"s for a litle while, then pulled the trigger on 16x8" Volk TE37X's that weigh in at 16 lbs per wheel, or 6.5 lbs lighter than the stock 16 x 7"s.

Consider the following: More expensive tires + faster wear on brake pads/rotors & bearings + decreased gas mileage + decreased performance, (our 4runners are already lacking in that department)... Just for better looks??? - which is based on your opinion. It's up to you.

Originally Posted by nick-m

I'm going to quote another member from another thread, I'm sure it'll give you some clarity;

Originally Posted by Jdizzydub

I'm running 18's on 33 MT's and yeah you give up the pick-up and mpg. I usually hit 230 to 254 on premium and depending if I drive to Seattle or not. When I run my 285's on stockies I've seen up 305 and mostly freeway but onn average and extra 25-30miles or so.

Originally Posted by slus

...and "better looks" must be entirely subjective, because I think 20s look like ass on 4runners

Originally Posted by slus

...and "better looks" must be entirely subjective, because I think 20+'s look like ass on 4runners

Originally Posted by fenrisx

true, but 22's don't look so bad depending on the rim .. ;D