Gas prices in Allen, TX today
Updated Jun 14, 2026, 8:50 AM
Price by chain — today
cheapest
Costco
$3.62
— no change
1 station nearby
⚑ membership price
Murphy USA
$3.65
— no change
3 stations nearby
Chevron
$3.65
— no change
3 stations nearby
7-Eleven
$3.67
— no change
7 stations nearby
Valero
$3.67
— no change
3 stations nearby
Exxon
$3.67
— no change
1 station nearby
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Stations sorted by price
Gas prices in Allen, Collin County are updated hourly.
Allen is a city of 110,722 residents in Central Texas.
The cheapest regular unleaded today is $3.620/gal at Costco — filling a 15-gallon tank costs $54.30.
Compared to the Texas state average of $3.624/gal, Allen drivers pay close to the statewide average.
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gas price
Price per gallon
Murphy USA · Regular
$2.79
Passengers
1
2
3
4
5
6
Distance
239 mi
Houston → Dallas
Total fuel cost
—
Per person
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Fuel prices & local data — Allen, TX ⛽
8:50 AM CT
Collin CountyDFW MetroplexUS-75 corridor110,722 residents
Allen is anchored by Allen Premium Outlets (one of the largest outlet malls in Texas) and hosts major offices for Experian, IBM, and Cadence Design Systems along the US-75 corridor.
111K
population
2.3
vehicles / household
15%
truck ownership
~$333
est. monthly fuel
What is the cheapest gas station in Allen, TX right now?
Costco membership price is currently the cheapest at $3.62/gal for regular unleaded. Prices last updated Jun 14, 2026, 8:50 AM.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT
How much does a full tank cost in Allen, TX?
At current prices, filling a 15-gallon tank costs $54.30 at Costco. A 20-gallon tank costs $72.40.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT
Do I need a membership to get the cheapest fuel in Allen, TX?
Yes — Costco membership price posts $3.62/gal and requires a paid membership card to fuel up. The next-cheapest non-membership chain in Allen, TX is Murphy USA at $3.65/gal. Break-even: the $50/yr membership pays for itself if you buy at least 1667 gallons per year there.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT