STG Auto Group

STG Auto Group We are Inland Empire's premier used car dealership. Explore and choose from over 1,500+ quality vehicles!
(1036)

STG Auto Group should be your first stop when you're looking at used cars for sale in LA County, Orange County, and Inland Empire, so it's easy to explore our high-volume and high-quality pre-owned car inventory from all over California. And don't hesitate to schedule an appointment at our car repair center or meet with our auto finance experts!

05/23/2026

You just found the dealership that actually has OPTIONS. 🚗🔥 1,800+ vehicles. Endless choices. STG Auto Group of Montclair — this is how we do it.

05/22/2026

Best Memorial Day deals under $20K are here at STG Auto Group 🇺🇸🚗Don’t miss your chance to save big this weekend!

Memorial Day Special 🇺🇸 This 2025 Kia K4 GT-Line is available now at STG Auto Group for only $22,654. Limited-time offer...
05/22/2026

Memorial Day Special 🇺🇸 This 2025 Kia K4 GT-Line is available now at STG Auto Group for only $22,654. Limited-time offer — don’t miss your chance to drive it home.

05/22/2026

Built to dominate the streets and the dirt. 🦖🔥 2023 Ford Bronco Raptor now at STG Auto Group.

05/21/2026

This Memorial Day Weekend, your freedom to drive starts at STG Auto Group 🇺🇸🚗 With over 1,800 vehicles to choose from, massive deals, and financing options for everyone — ITIN, bad credit, no credit, no problem.

Memorial Day Special 🇺🇸 This 2022 Toyota Camry SE is available now at STG Auto Group for only $21,133. Limited-time offe...
05/21/2026

Memorial Day Special 🇺🇸 This 2022 Toyota Camry SE is available now at STG Auto Group for only $21,133. Limited-time offer — don’t miss your chance to drive it home.

05/21/2026

That Zandvoort Blue hits different. 💙🔥 The 2024 BMW M2 isn’t just built to turn corners — it’s built to turn heads.

05/20/2026

Buying a car shouldn’t feel impossible. At STG Auto Group, we believe everyone deserves a fresh start and a reliable car they can count on.📍STG Auto Group Your fresh start begins here.

Memorial Day Special 🇺🇸 This 2021 Mercedes-Benz GLB 250 is available now at STG Auto Group for only $20,134. Limited-tim...
05/20/2026

Memorial Day Special 🇺🇸 This 2021 Mercedes-Benz GLB 250 is available now at STG Auto Group for only $20,134. Limited-time offer — don’t miss your chance to drive it home.

05/20/2026

This isn’t just a truck… it’s a TRD Pro. 2025 Tacoma just changed the game.

The 2025 Toyota Land Cruiser 1958. Old soul. New beast. This is THE Land Cruiser. 🏔️🔥
05/19/2026

The 2025 Toyota Land Cruiser 1958. Old soul. New beast. This is THE Land Cruiser. 🏔️🔥

Tesla Tuesdays!
06/13/2023

Tesla Tuesdays!

Top down. Open road. Lets go!
06/07/2023

Top down. Open road. Lets go!

Lets Taco 'bout Diamonds!!Stop by STG Auto Group to enjoy some delicious tacos this Memorial day weekend! 🌮💎 Remember to...
05/27/2023

Lets Taco 'bout Diamonds!!
Stop by STG Auto Group to enjoy some delicious tacos this Memorial day weekend! 🌮

💎 Remember to buckle up and go on a test drive for a chance to win a Real Diamond!

Are you a Diamond in the rough? 💎Enter for a chance to win a REAL Diamond! OFFICIAL RULES: 💎 Schedule a test drive at ST...
05/26/2023

Are you a Diamond in the rough? 💎

Enter for a chance to win a REAL Diamond!
OFFICIAL RULES:
💎 Schedule a test drive at STG Auto Group, 10325 Central Ave, Montclair, CA 91763.
💎Odds of winning are 1/200 (While Supplies Last)
💎Estimated retail value is estimated at $3,500.
💎Scheduled test drive must occur between 9am on May 26 and 6pm on May 29th. Return at 6pm on May 29th to determine if you are the winner by having your stone tested!
💎A certificate of authenticity will be provided to the winner.
💎No purchase necessary. A purchase does not increase your odds of winning.
💎Must be 18 or older to enter; dealership employees are not eligible.
💎STG reserves the right to modify, cancel, or suspend sweepstakes.
💎Winner responsible for any applicable taxes.
💎Participants may opt out or request name(s) of winner by contacting dealer at above address.

05/26/2023

Jeep Gladiator's in the house! 🔥

Let us know what cars you want to see next!

Givin' em Hell 👹 ✌
05/24/2023

Givin' em Hell 👹

✌

05/20/2023

0-60 in 3.9 seconds, what's your speed?

05/11/2023

Smoke Show Widebody 🔥

04/27/2023

.. made ready for the Streets

04/22/2023

🌏Happy Earth Day!🌏

Perks of a Hybrid or Electric Vehicle:
✅Reduces Carbon Footprint!
✅Energy Efficient!
✅Decrease/Zero Fuel expenses!

04/20/2023

✨Style✨

Happy Easter!Don't forget to stop by for some EGGciting sales!
04/09/2023

Happy Easter!

Don't forget to stop by for some EGGciting sales!

Address

Montclair, CA

Opening Hours

Monday 9am - 9pm
Tuesday 9am - 9pm
Wednesday 9am - 9pm
Thursday 9am - 9pm
Friday 9am - 9pm
Saturday 9am - 9pm
Sunday 9am - 9pm

Telephone

+19094884041

Website

Alerts

Be the first to know and let us send you an email when STG Auto Group posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share

Category