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Kumho Ecsta STX
Give your truck, SUV, or crossover great performance in any weather with the Kumho Ecsta STX KL12 performance tire. This tire uses a directional tread pattern to provide all-season traction in dry, wet, and light winter conditions. It balances this versatile traction with great handling characteristics, using large, stable tread blocks to promote responsive steering under the most demanding conditions. The tire also offers enhanced durability, thanks to jointless construction and bead reinforcement. It comes in a 16 24 size range, which covers both original equipment and plus sized fitments. So no matter your truck, crossover, or SUV, you can get the Kumho Ecsta STX KU12 all-season performance tires great benefits.
UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade
Treadwear420
TractionA
TemperatureA
| SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated. | 265 - 305 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 35 - 60 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 18" - 22" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 29.3" - 32.6" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 8.0" - 12.0" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 35.0 LBS - 48.0 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 11" - 12" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 102 - 120 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | SL - XL |
| MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount. | 50 PSI - 51 PSI |
| SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement. | V - Up to 149 mph - W - Up to 168 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Black Side Wall |
| VPN Vendor Product Number | 1635713 - 2101383 |
Ecsta STX Customer Reviews
All reviews are verified customer purchases.
83%Recommended
65 of 78 people recommend these tires2019 RAM
1500
Dirk A1500
10/22/2025
These tires wore pretty quickly and to get the expected lif eout of them ive been driving "carefully" the last few months. Grip is excellent and ride is smooth and noise free. Probably should be rated about 25k and priced a little less. Id buy them again if they were on a great sale, but i wouldnt pay Reg price.
2011 FORD
Edge
Amy MEdge
9/11/2025
Guys in Arizona that helped me, were amazing !
2019 RAM
1500
Dirk A1500
5/15/2025
2000 MERCEDES-BENZ
ML430
Eric FML430
4/24/2025
2002 LINCOLN
Blackwood
Dan SBlackwood
4/4/2025