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Sumitomo HTR Z III 275/40ZR18 99Y

Five rib asymmetric tread pattern merges cornering with straight line stability.

Long lateral grooves evacuate water from the center of the footprint.

Four straight, wide grooves further heighten drainage for improved wet performance.

Siped tie-bars reinforce block rigidity for control and enhance wet traction.

A 3-D wave wall increases drainage capabilities and reinforces center rib stability.

Rigid, wide steel belts

High tension casing plies

Advanced silica tread compound

Reinforced construction (by size) for real world durability

Y-speed rating for true high-performance vehicles

Covered by Sumitomo’s Life of the Original Tread Warranty

Direct replacement sizing for premium performance vehicles including Lexus, Infiniti, BMW and Cadillac

True performance upgrade sizing for tuner segment vehicles like Honda, Volkswagen, Nissan and Subaru
  • $128.00
  • $0.00 Tax Collected Outside Utah
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Click for alternate tires in size 275/40R18
Overall Rating
3.7 (3.7) - 5 Reviews
Highest Rated Qualities
1) Dry Traction 4.2
2) Style/Looks 4.2
3) Steering Response 4.0
Lowest Rated Qualities
1) Noise Level 2.6
2) Comfort 3.2
3) Hydroplane Resistance 3.4
See detailed reviews Write a review
Sidewall Style
Load Index
Speed Rating
300 AA A
Mileage Warranty
Stock #
Mfg. Part #
General Warranty
Lifetime Free Replacement
[more info]
Item Condition

Sumitomo HTR Z III

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  • $0.00 Tax Collected Outside Utah
275/40ZR18 99Y
  • Stock #: 9150
  • Sidewall Style: Black
  • Load Index: 99
  • Speed Rating: Y
  • UTQG: 300 AA A
  • $128.00
  • Qty:
"Overall" Rating of the Sumitomo HTR Z III 3.7 (5 Reviews)

"Dry Traction" 4.2
"Wet Traction" 4.0
"Hydroplane Resistance" 3.4
"Cornering Predictability" 3.8
"Steering Response" 4.0
"Style/Looks" 4.2
"Would you purchase these tires again?" 80% - Yes
20% - No
0% - Maybe
"Comfort" 3.2
"Noise Level" 2.6
"Treadwear" 3.6
"Did you use these tires on the Track, Drag Strip or for Auto-cross?" 0% - Yes
100% - No
"Under which track conditions did you use these tires?" NA% - Auto-x
NA% - Track
NA% - Drag Strip
NA% - Auto-x, Track and/or Drag Strip
"Heat Resistance" No Rating or Not Applicable
"Shoulder Roll Resistance" No Rating or Not Applicable
"Track Treadwear" No Rating or Not Applicable
Verified Owner  
10/23/2015 Overall Rating
Car/Truck Enthusiast Aggressive Driver 2001 PORSCHE 996TT
    Excellent tire for Porsche 996 Turbo. Good balance of dry/wet grip and tread life. I was getting 5,000 miles on rear tires with Michelin PS2 and Hankook Ventus V12. I'm expecting 15,000 or more from these... and the traction is better, especially in the rain.
See Full Review  

Verified Owner  
6/22/2014 Overall Rating
Daily Driver/Commuter Aggressive Driver 2012 MAZDA 3S
    A great tire for my family car, a 2012 Mazda 3s.
See Full Review  

Verified Owner  
4/28/2012 Overall Rating
Daily Driver/Commuter Aggressive Driver 2007 BMW 750LI
    Love these tires. Very affordable.
See Full Review  

Verified Owner  
4/25/2012 Overall Rating
Daily Driver/Commuter Average Driver 2006 MERCEDES B C230
    The tires have excellent tracktion and it handles magnificantly on the road.
See Full Review  

9/11/2010 Overall Rating
Daily Driver/Commuter Aggressive Driver 2006 VW JETTA
    These tires didn't last long at all. I had them on from spring to fall and took them off for the winter. I also rotated when I was suppose to.
See Full Review  

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