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Toyo Tires 144070 Observe GSI-6 LS 295/40R21 111V Studless Winter Tire

(2024-2026 Porsche Macan; 2008-2016 Mercedes-Benz GL550; 2010-2016 Mercedes-Benz GL350; 2017-2019 Mercedes-Benz GLS550 + 4 more models)

Manufacturer

Part Number

144070
Sale Price

$189.22

2 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Toyo Observe GSI-6 LS is a premium studless winter tire engineered for high-performance passenger cars, SUVs, and CUVs. Designed to deliver exceptional traction and control in harsh winter conditions, this tire combines advanced compound technology with an aggressive directional tread pattern to conquer snow, ice, and slush.

Advanced Winter Technology:

  • Microbit Technology: Integrated walnut shell particles in the compound act like tiny studs, biting into ice for enhanced grip without metal studs
  • High-Density 3D Sipes: Interlocking sipes provide superior edge effect for snow and ice traction while maintaining block rigidity for dry road stability
  • Unique 360-Degree Spiral Edge Sipe Design: Multi-angled sipes grip the road surface from all directions for confident handling

Tread Design Features:

  • Directional Tread Pattern: Staggered tread blocks optimize snow evacuation and improve acceleration and braking performance
  • Four Circumferential Grooves: Wide grooves channel away slush and water to resist hydroplaning
  • Snow Claws: Specialized edges within the tread grooves dig into packed snow for maximum forward grip
  • Large Inner Blocks with Sawtoothed Edges: Enhanced contact patch stability and additional biting edges for winter traction
  • Tapered Evacuation Grooves: Efficiently remove snow and slush from the contact patch

Stability and Handling:

  • Serrated Stability Rib: Center rib design enhances steering response and maintains straight-line stability
  • Split Offset Shoulder Blocks: Improve cornering grip and reduce irregular wear
  • Shoulder Lightning Edge: Aggressive shoulder design provides additional biting edges for cornering traction
  • Plow Edge and Tapered Shoulder Wedge: Work together to push snow aside and maintain contact with the road surface

The Toyo Observe GSI-6 LS delivers the winter performance you need with the quiet, comfortable ride you expect from a premium touring tire. Severe weather rated with the Three-Peak Mountain Snowflake symbol for certified winter performance.

Products specifications

Fits

2024-2026 Porsche Macan; 2008-2016 Mercedes-Benz GL550; 2010-2016 Mercedes-Benz GL350; 2017-2019 Mercedes-Benz GLS550; 2007-2009 Mercedes-Benz GL320; 2017-2019 Mercedes-Benz GLS63 AMG; 2025-2026 Polestar Polestar 3; 2025-2027 Volvo EX90

Sidewall

BW

Load Range

XL

Max psi : 50
Ply Rating

XL

Tire Size

295/40R21XL

Origin

Japan

Measuring Rim Width

10

RPM

686

Radial Bias Flag

R

Sidewall Style

BLACK

Service description

111V

Load Index : 2403@50
Speed Rating : V
Load Capacity (LB)

2403

Section

295

Aspect Ratio

40

Rim Size

21

Overall Diameter

30.3

Load Index

2403@50

Maximum Pressure (psi)

50

Speed Rating

V

Tread Depth

11.6

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