Dry Performance Comfort Treadwear Handling Wet Performance Snow/Ice Performance

Kumho Ecsta STX KL12


The Kumho Ecsta STX delivers the trifecta of performance for your pickup, crossover, or SUV: Excellent year-round traction, a smooth, quiet ride, and sporty good looks. The tread pattern channels water away from the tread, helping to prevent hydroplaning, while the tire’s construction provides responsive steering and high-speed durability.

  • Circumferential and lateral tread grooves evacuate water to help prevent hydroplaning
  • Large, stable tread blocks for a solid footprint and responsive steering, even in nasty weather
  • Variable pitch tread blocks reduce road noise for a quiet, comfortable ride
  • Rim protector protects wheels from curb damage

Detailed Information

Type and Size
Tire Model
Kumho Ecsta STX KL12
Car Type
Light Truck / SUV
All Season
Rim Diameter
18 / 19 / 20 / 22 "
265 / 275 / 285 / 305 mm
Aspect Ratio
35 / 40 / 45 / 50 / 55 / 60 %
Special Features
Mud and Snow
Extra Load
Speed and Load
Speed Index
V (max 149 mph) ... W (max 168 mph)
Load Index (max load for a tire)

Kumho Ecsta STX KL12 Sizes & Specifications

Rim Model Size Index Features
R18 275/55 R18 114V XL 275/55 R18 114V XL
R18 285/60 R18 116V 285/60 R18 116V
R19 285/45 R19 107W 285/45 R19 107W
R20 275/45 R20 106W 275/45 R20 106W
R20 275/55 R20 117V 275/55 R20 117V
R20 275/55 R20 117V XL 275/55 R20 117V XL
R20 285/50 R20 112V 285/50 R20 112V
R20 305/50 R20 120V 305/50 R20 120V
R22 265/35 R22 102W 265/35 R22 102W
R22 265/40 R22 106V XL 265/40 R22 106V XL
R22 285/45 R22 114V XL 285/45 R22 114V XL
R22 305/40 R22 114V 305/40 R22 114V
R22 305/45 R22 118V 305/45 R22 118V

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