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# O'Fallon Buick GMC - St. Louis Top Rated

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Proudly serving **Clayton, Kirkwood, Webster Groves, Chesterfield, Ballwin, University City** and the greater St. Louis area. **Made for The Show-Me State.**

[StLouisTopRated](/) / [Car Dealerships](/car-dealerships/)

# O'Fallon Buick GMC

★★★★½ 4.9 · 2053 Google reviews · 2150 Technology Dr

[#3 in Car Dealerships](/car-dealerships/)

Rankings updated August 2026 from Google ratings and review volume

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2150 Technology Dr, O'Fallon, MO 63368, USA

[Call 636-339-5900](tel:(636)339-5900)[Visit website](https://www.ofallonbuickgmc.com/?utm_source=google&utm_medium=organic&utm_campaign=website-button-GMB)

## Why O'Fallon Buick GMC ranks here

O'Fallon Buick GMC holds a 4.9 star average across 2053 Google reviews, which places it at #3 for car dealerships in St. Louis on our rankings. Positions come from verified public ratings and review volume. See the full list on the [Car Dealerships rankings page](/car-dealerships/).

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