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Summit

Summit Ultramax A/S All Season 235/55R18 100V Passenger Tire

  • Based on 3,265 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Tires-easy
Arrives Aug 14 – Aug 15
Order within 1 hour and 6 minutes
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Size: 235/55R18


Features

  • Modern non-directional all-season tread design
  • Variable pitch tread design for low noise performance
  • Silica compound for superior wet traction and reduced rolling resistance
  • Jointless Bead Cover: spiral steel band wrapped around beads improves the structural rigidity of the tire resulting in a smooth ride
  • Higher sidewall turn-up provides improved sidewall strength and durability

Description

The Ultramax A/S tire from Summit is an all-season touring tire engineered to deliver exceptional handling and all-season performance. The Ultramax A/S features 4 wide circumferential grooves to help channel water away quickly and efficiently delivering excellent wet weather traction. A modern non- directional tread design provides superior road feel and handling making the Ultramax A/S the perfect everyday tire.

Brand: Summit


Seasons: Year Round


Size: 235/55R18


Section Width: 235 Millimeters


Load Capacity: 16 ounces


Tread Depth: 10 32nds


Tread Type: Symmetrical


Ply Rating: 4-Ply


Rim Width: 7.5 Inches


Tire Diameter: 28.20


Brand: ‎Summit


Seasons: ‎Year Round


Size: ‎235/55R18


Section Width: ‎235 Millimeters


Load Capacity: ‎16 ounces


Tread Depth: ‎10 32nds


Tread Type: ‎Symmetrical


Ply Rating: ‎4-Ply


Rim Width: ‎7.5 Inches


Tire Diameter: ‎28.20


Item Diameter: ‎18 Inches


Item Weight: ‎33.6 Pounds


Automotive Fit Type: ‎Universal Fit


UPC: ‎842925102427


Vehicle Tire ISO Metric Size Description: ‎235/55R18


Construction Type: ‎Radial


Manufacturer: ‎Summit


Model: ‎Ultramax A/S


Item Weight: ‎33.6 pounds


Item model number: ‎10242


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎10242


UTQG: ‎420-A-A


Date First Available: August 16, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 14 – Aug 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Great value for the price
Size: 225/60R17
I purchased these tires last fall. They now have almost 20,000 miles on them and are still looking new. At first I was worried about purchasing these tires but for the money. I'm very impressed with the quality of these tires. I would also purchasing these again in the future.
Reviewed in the United States on July 22, 2025 by Ant
    • Shockingly quiet, competent, and smooth tires. Would purchase again
Size: 235/60R18
This is my first time purchasing tires from Amazon instead of tire rack. Had them shipped directly to my house and put them in the back of my car and dropped the car off to get them swapped out just like tire rack with any local installer. Shipping was quick and hilarious having tires show up on my front door. I read multiple reviews across several weeks before I purchased these. I like to purchase midtier high-performing all season tires that provide decent traction, quite and comfortable road noise with an exceptional dry performance for braking and handling without breaking the bank financially. Installed on a 2010 Lexus RX 350 SUV. Time will tell on the durability but after a few weeks of driving, I am extremely pleased with the value and quality. No hydroplaning issues, no problems with NVH and very good performance in general road conditions. Have not had the ability to test them in ice or snow yet. ... show more
Reviewed in the United States on May 10, 2024 by CincyAmznMan
    • You have to try these
Size: 235/40R19
Back ground. I ame a full time rideshare driver. I bought these because my Tesla M3 goes through tires like crazy. I was spending 900 to 1200 on a set at costco or the Navy Exchange. These tires are a game changer. Not only do they have deep tread depth. they are will desinged and were quieter than the GoodYear EV tires I had ($1200). If ou are looking for good tires I think they are made in OHIO and want to save some serious cash get these. I tried last week to ge another set and they were out. I hope they come back again soon. I had to buy a diffrent brand. See you out there ... show more
Reviewed in the United States on June 17, 2025 by Albert Sanchez-Alvarez
    • Happy with these tire so far.
Size: 225/45R17
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
Review Image by Tim B Tim B
- 1 Year Update: Its been 14 months since having these tires installed and they are great. Things that stand out are how quiet and smooth the ride is. The tread still looks great, no uneven wear or issues I can see. The car handled fine in light snow and ice though I tried to stay off the road during snow storms. I would definitely buy these tires again. I needed to replace my old worn cracked tires and came across these Summit Ultramax HP A/S for a low price with many positive reviews. So far i am very happy with them. The car rides great and I have no complaints with the tires. I like the look of the treads and with being direction rotation hopefully they perform better in the rain and snow. Ive driven a bunch of miles on them, highways, backroads, rain and they seem to handle great and the car feels planted to the road. Hopefully they last a long time. I will update if there are any issues. i bought the tire installation and that did not go to well. The tires were delievered to the tire shop fine. I received numerous text and email confirmations on the scheduled appointment, I had even called the tire shop days ahead to confirm. Except when I got to the tire shop at the scheduled time the shop claimed they didnt have any appointment for me and that they were busy and i could just leave the car. I couldnt just leave the car since i wasnt near my house and didnt have a ride. I specifically made an appointment so i could wait for the tires to be installed. I ended up calling Amazon customer service to figure out what is going on, after over 1hr and being transferred to 3 different reps one of them was finally able to call the tire shop directly and talk to them and straighten it out. I still waited 4hrs for the tires to finally get installed. I don't blame Amazon, i think the tire shop was playing games which is unfortunate. To top it off when i got home i was cleaning the wheels and noticed the tire shop broke two center caps and just glued them in the rim. I work on my car all the time and know the center caps were not broken and there was certainly no glue used to install them. I cannot believe the tire shop wouldn't even tell me about the broken center caps and try to hide it by using glue. ... show more
Reviewed in the United States on May 21, 2024 by Tim B Tim B
    • Surprisingly Good!
Size: 225/45R18
I've never heard of the brand Summit, but the reviews were pretty good, only a few bad reviews. I had them installed at a local tire shop. It was a rainy day, the tires had sort of a strange look to the tread pattern, but once I started to drive on them, the differences with the OEM Hankook Kinergy GT H436 was quite evident. These Summit tires were quieter, smoother riding and had more traction in the rain and today it was not raining and the same was true. This is the second day of driving on these new tires and I am quite satisfied with them, great price and good performance overall. As far as mileage, I won't be able to tell for a while. But this appears to be a great tire at a really good price, definitely would recommend. It's been two months now and been raining a lot locally. This Summit tire is definitely superior in literally every way when compared to the factory Hankook that cost more than twice as much. I would definitely buy these Summit tires in the future. Smoother, quieter, and handles better in both wet and dry surfaces, can't ask for more. ... show more
Reviewed in the United States on January 26, 2024 by RogerM
    • Tires 👍
Great tires -A+ good price ..
Reviewed in the United States on July 18, 2025 by Alfredo Torres
    • Better than Michelin.....
Size: 245/40R18
Do not let the price fool you. These tires siund and ride better than the michelin run flats that came on my Mercedes. The grip and ride are just amazing. Save yourself a few grand and check these guys out for yourself.
Reviewed in the United States on June 4, 2025 by Sys. Engineer T.R.
    • Actual Use Conditions
I've had these tires now for two (2) years, routinely rotated and checked. Currently, after about 15,000 miles, are now in the."yellow" range in wear, about 4/32" to 6/32" (3 - 5mm). They have performed as advertised under light-to-moderate use in rural settings in the Pacific Northwest. For a lower cost tire, I would purchase again under my current use. ... show more
Reviewed in the United States on July 1, 2025 by Roger G

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