leogsx97

Car
2010 250H Premium with 18in wheels

I prefer 17in wheels due to many potholes in NYC and currently looking at these wheels.

17x8.5
+30 offset
5x114.3 bolt pattern

18x8.5
+45 offset
5x114.3 bolt pattern

Will these wheels fit well and what size tires should I get? Thank you

DDS62

I believe you have the widths of the tires in error. The stock 18" wheels are 7.5" wide and the stock 17" wheels are 7.0" wide

Here is a 16” set I had picked out for what I thought would result in the best possible ride. Do not take my word - check this combination out before buying. This will be an expensive mod and nobody will guarantee the results - as far as the ride quality, and if you ask 100 people what tire/wheel combination offers the best ride you will get 100 different opinions.

GOODYEAR Assurance Comfort Tred Touring (Grand Touring All Season tire) were my choice, mostly because there were not a lot of choices. In general, the stock 45 series high performance tires that come with the Premium model, with 35 psi do not have a snow ***** chance of offering a good ride. The higher series the tire (these are 60’s) and the smaller the wheel, running with minimum safe air pressure in conjunction with Grand Touring Tires will offer the best ride.

http://www.wheelsnext.com/wheels-rim...6C-Chrome.html

These wheels have a 38mm offset, the factory offset is 39mm so you will be within .039” of factory.

Tire size = 215/60R16 The Outside Dia will be perfect for the HS @26.1”

Here is a 17” set:
http://www.tirerack.com/wheels/Wheel...All&sort=Brand

That is a long link! They are Enkei Ammodo 17x7.5 wheels also 38mm offset. They need 215/55R17 tires. Mounted OD = 26.3” which is same tires used on the base model. I believe they are also available under the GOODYEAR Assurance line

The stock tires used on the premium 18: wheel models are 225/45R18 with mounted OD = 25.97”

Be aware running with more rubber and less air pressure will lower your mileage. I have no experience what the penalty would be, but I have seen article that have said it will cost you between 1 and 3 mpg.

Let us know if you make the jump

leogsx97

Thank you very much for your informative post.

The size of wheels stated in my original post are for some Volk forged (light) wheels that I wanted to purchase as a replacement for my current wheels. I think 16in would be too small and probably will not clear the brakes, also I would like to increase the width to at least 8in and preferably 8.5in. At this time I am trying to figure out the offset for 8.5in wheels.

skywise

According to tirerack.com, 16" is a viable alternative for wheels on the HS.
I haven't tested this yet but am very interested for building a set of winter tires and I think more rubber is much better in winter.

leogsx97

Please post a link as I do not see 16in listed on tire rack.

skywise

Let's see if this works:
http://www.tirerack.com/snow/WinterP...toModClar=Base

On the right side it lists sizes...
16" Recommended: 215/60-16

Original Equipment Wheel Diameter: 17"
17" Recommended: 215/55-17
17" Alternate: 225/50-17

Original Equipment Wheel Diameter: 18"
18" Recommended: 225/45-18

leogsx97

Interesting...tirerack only list 16in wheels when you choose winter package. All other options starts from 17in. Thank you.

DDS62

Make sure you can put 17 x 8.5" wheels with a 45mm offsets on the HS. That would put the inner plane of the wheel /tire combo a full 1 inch inwards (toward the center of the vehicle) than the stock wheels, and 1/4 of an inch "more outwards".

The proper offset for a 8.5" wide wheel (assuming there is no interference on the inside) would be 52mm. That would place the outside plane of the wheel/tire at the same point as the stock 18 x 7.5 wheels (rubber tires being wider than the rims which guarantees the wheels don't protrude past the tire - which is usually the case.)

If you decide on a 7.0 wide wheel/tire be aware that the proper offset will be 33mm not 39mm. That is the only reason I chose 7.5" wide wheels - because I could not find a single 7" wide wheel I liked that was offered with a 33mm offset. fact is the ride (theoretically IMO) would be better with a 7.0 wide wheel, and the tires (which would remain the same despite the wheel width difference) would fit better (in the middle of their allowable mounting width range). Unfortunately, IMO, there is no such thing as a good looking 17 x 7.0 wheel with a 33mm offset.

Even if you mount a set 8.5" wide wheels and test them gingerly in a test run, can you really be confident there will never be any contact - say when you hit a pot hole while in the middle of a turn at high speed? I would bet the condo there are only about a half dozen auto engineers that know the answer to that question and they all are in japan. I doubt you will get any guarantee from a reputable dealer. I would never choose any wheel/tire over 7.5" wide nor 26.3" in mounted diameter and only then if the offset is within a few mm of factory.

Along those lines your concern about the brakes not having proper clearance with 16" wheels are spot on. But I did get an email back from Wheels Next saying they approved the Chrome Expressions on the HS - even then I would get something in writing before buying. (I know nothing about Wheels Next). And, if you just go look at the clearance between the brakes and the inside of the rims there appears to be plnety of room - about 2". But again get it in writing.

TheAirman

Great post ! Thanks for the info !!

leogsx97

Thank you for all good info.

I will look for 17in rims with stock width and offset. Any suggestions on the TPMS? Should I remove them from my stock wheels or just buy new ones? What is required to get them programmed so they are recognized by the vehicle?

skywise

If you're replacing your main road tires and not doing something like winter tires and swapping every 6 months, I'd use the TPMS from your original tires and avoid the issue of reprogramming everything.

I've not heard yet but I think reprogramming the car to new TPMS requires Lexus (and $$).
I'd love to know though if I can do it myself through the OBD port, would simplify my life a bunch come winter.

leogsx97

I have done some research and it looks like there is a tool that can be purchased for $150 that you can use to program TPMS computer.

There is also a tool to clone your sensors for $110 to their sensors $50 each.

The sensors are not made by toyota and there is not a big variation between the sensors and they should be interchangeable. Factory part number is 4260775010 and it operates on 315MHz. Now just need to find general part number.

leogsx97

I bought new wheel and some tires.
Wheels weight 16 pounds each and 17x7.5 with 35mm offset.
Tires are Michelin Primacy MXV4 215/55R17 23 pounds each.
Moved old sensors to new wheels. The ride comfort is very similar

kyo7878

thanks for sharing. I'm looking to replace mine with 17s as well. I feel the 18s rides a little too rough with this car, hopefully it will be more comfortable with 17" wheel.

leogsx97

Its not much more comfortable. The tires are currently inflated to 39-40psi, I am thinking of lowering the pressure.