Gas prices in McKinney, TX today
Updated Jun 14, 2026, 8:50 AM
Price by chain — today
cheapest
Sam's Club
$3.62
— no change
1 station nearby
⚑ membership price
Murphy USA
$3.64
— no change
3 stations nearby
Costco
$3.64
— no change
1 station nearby
⚑ membership price
Valero
$3.68
— no change
1 station nearby
7-Eleven
$3.68
— no change
6 stations nearby
Walmart Neighborhood Market
$3.68
— no change
1 station nearby
Find nearest stations — tap a pin for directions
Tap any pin → Google Maps opens with directions. Launches Maps app on mobile.
Stations sorted by price
Gas prices in McKinney, Collin County are updated hourly.
McKinney is a city of 195,308 residents in the Dallas-Fort Worth Metroplex.
The cheapest regular unleaded today is $3.620/gal at Sam's Club — filling a 15-gallon tank costs $54.30.
Compared to the Texas state average of $3.624/gal, McKinney drivers pay above the statewide average.
Trip cost calculator
Your route
Type any US city or address
Popular routes
Your vehicle & fuel
Pick my car
I know my MPG
—
or enter MPG manually
Fuel data: fueleconomy.gov (US Dept. of Energy) · All gas vehicles 1984–2026
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
—
Nearby cities
Fuel prices & local data — McKinney, TX ⛽
8:50 AM CT
Collin CountyDFW MetroplexUS-75 corridor195,308 residents686 ft elevation
McKinney is one of the fastest-growing US cities and hosts Raytheon's McKinney campus along with Globe Life insurance and SRS Distribution HQ.
195K
population
2.2
vehicles / household
17%
truck ownership
~$319
est. monthly fuel
What is the cheapest gas station in McKinney, TX right now?
Sam's Club 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 McKinney, TX?
At current prices, filling a 15-gallon tank costs $54.30 at Sam's Club. 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 McKinney, TX?
Yes — Sam's Club membership price posts $3.62/gal and requires a paid membership card to fuel up. The next-cheapest non-membership chain in McKinney, TX is Murphy USA at $3.64/gal. Break-even: the $50/yr membership pays for itself if you buy at least 2500 gallons per year there.
Source: GasBuddy via Apify, updated Jun 14, 2026, 8:50 AM CT