Question 1

What gas prices are reported at Diamond Shamrock on Grimes Road?

Accepted Answer

GasWiser tracks pump prices at Diamond Shamrock (Grimes Road, Harlingen). Prices may not be available at this exact moment — check back soon for the latest reported figures.

Question 2

Where is Diamond Shamrock located?

Accepted Answer

Diamond Shamrock is located at Grimes Road, Harlingen, TX 78550.

Question 3

How can I find cheaper gas near Diamond Shamrock?

Accepted Answer

Use the Nearby Stations list above to compare Diamond Shamrock against other gas stations within a 20-mile radius and find the cheapest option for your trip.

Diamond Shamrock, Grimes Road, TX, 78550

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