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Dealers / McAllen, TX / South Texas Buick-GMC
Used car dealerMcAllen, TX
B

South Texas Buick-GMC

Buyer's Guide grade B · 2,296 public reviews · September 2026

South Texas Buick-GMC earns a B. 2,296 public reviews average 4.4 stars and 13.6 percent are one or two stars. That ranks it above 45 percent of graded dealers around McAllen.

At a glance

  • Mostly happy buyers, with a small share of complaints.
  • Complaint share 13.6 percent, higher than the 12.2 percent typical near McAllen
  • Reviewers mention truck selection most, in 198 reviews
  • Closed Sundays · Used car dealer

Why It Got a B

The star average is 4.4 from 2,296 public reviews. After the grade pulls it toward the national average, it counts as 4.39. 13.6 percent of reviews are one or two stars. To reach an A it would need an adjusted rating of 4.6 and a complaint share of 8 percent or less. How the grade works.

How the Stars Break Down

5 star1,845 80%
4 star95 4%
3 star45 2%
2 star42 2%
1 star269 12%

What Reviewers Talk About

The subjects that come up most in public reviews of this dealer, with how many reviews mention each one.

truck selection 198respectful staff 38great deal 24truck purchase 14acadia 9extended warranty 8loaner vehicle 5monthly payment 3dream truck 3new ride 3

Reviews here bring up extended warranty. A topic showing up does not say which way the review went, but those are the subjects that tend to surface after a sale goes badly. Have any car from this lot checked before you sign. What review words tell you.

Buying From South Texas Buick-GMC

South Texas Buick-GMC is an independent used car lot. Independent lots range from excellent to poor, and the car in front of you matters more than the sign out front. Ask whether the car is sold as is and read the Buyers Guide sticker in the window. What as is means.

Whatever the grade, the grade is about the dealer. The car is its own question. Ask the dealer if an independent inspection is allowed before you sign. A good lot says yes.

Dealer Details

Address4220 W Expy 83, McAllen, TX 78501
Phone956-278-0979
Websitesouthtexasgmc.net
Listed featuresCar wash, Oil changes, Service department, Checks, Credit cards, Debit cards, Phone pay, Latino owned
TypeUsed car dealer

Hours

Monday9 AM to 8 PM
Tuesday9 AM to 8 PM
Wednesday9 AM to 8 PM
Thursday9 AM to 8 PM
Friday9 AM to 8 PM
Saturday9 AM to 8 PM
SundayClosed

Common Questions

Is South Texas Buick-GMC a good dealer?
South Texas Buick-GMC earns a B in the PPI Auto Buyer's Guide. Mostly happy buyers, with a small share of complaints. The grade reads 2,296 public reviews averaging 4.4 stars, with 13.6 percent at one or two stars. It rates past buyers' experience with the dealer, not any single car.
Can I get a car at South Texas Buick-GMC inspected before I buy?
Yes. PPI Auto sends an inspector to the car on the lot in McAllen. You do not have to be there. The inspection covers 122 points, a full OBD-II scan with readiness monitors, a road test and photos of anything found, and the report comes the same day. Ask the dealer to hold the car while it is checked.
How is the grade worked out?
It needs 20 or more public reviews. The star average is pulled toward the national average by 25 average reviews so a short record cannot jump the line, and the share of one and two star reviews sets a ceiling. The full method is on our grading page.
Is South Texas Buick-GMC open on Sunday?
Its listing shows it closed on Sunday. Hours change, so call before you drive over.

Other Graded Dealers Nearby

Buyers Also Look At

Grades update when public reviews do. Is this your dealership and something here is out of date? Tell us. See every graded dealer in McAllen, TX. Found a car here? Book a pre purchase inspection in McAllen, TX before you sign.

Buying from this lot?

Inspect it on the lot

We check the car at South Texas Buick-GMC before you sign.

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Inspect a car at South Texas Buick-GMC

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Details

No payment now · We confirm scheduling before any work

The grade covers the dealer. We check the car.

122 points, a full scan and a road test, on the lot, same day report.

Call 951-267-8500