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Kumho Ecsta STX KL12 Specifications

Size

Service
Description

Load Range

UTQG

Max. Load

Max. Inflation
Pressure

Tread Depth

Tire Weight

Rim Width
Range

Meas. Rim Width

Sect. Width

Tread Width

Overall Diam.

Revs. Per Mile

Country of
Origin*

275/55R18

114V
XL
420 A A
2,601 lbs
50 psi
11/32"
39 lbs
7.5-9.5"
8.5"
11.2"
9.3"
29.8"
697
KR

285/60R18

116V
SL
420 A A
2,756 lbs
51 psi
11/32"
41 lbs
8-10"
8.5"
11.4"
9.2"
31.4"
634
KR

275/45R20

106W
SL
420 A A
2,094 lbs
51 psi
11.5/32"
35 lbs
8.5-10.5"
9"
10.7"
9.8"
29.8"
683
KR

275/55R20

117V
XL
420 A A
2,833 lbs
51 psi
11/32"
42 lbs
7.5-9.5"
8.5"
11.2"
31.9"
652
KR, TH

305/50R20

120V
RF
420 A A
3,086 lbs
50 psi
11/32"
49 lbs
8.5-10.5"
9.5"
12.4"
NA
31.9"
625
KR

265/35R22

102W
RF
420 A A
1,874 lbs
50 psi
11.5/32"
34 lbs
NA
9.5"
10.6"
10.3"
29.3"
682
KR
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Notes

Specifications shown are as accurate as possible based on the information provided to us by the tire manufacturers. The dimensions reflect average values for tires measured on the specified measuring rim width. Individual tires may vary from data shown.

All tires are subject to continuous development. The tire manufacturers and Tire Rack reserve the right to change product specifications at any time without notice or obligation.

*Although regularly updated, the country of origin for tires may vary from what is shown. Unfortunately, we cannot accommodate requests for tires with a specific country of origin.

For assistance selecting products for your vehicle, please contact our sales specialists at 888-541-1777 or via email.

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