Used cars, trucks & SUVs in St. Louis, MO

Shop quality pre-owned vehicles at South County Auto Plaza

Browse by Style

Shop by feature

Used cars under $15,000

Used cars under $25,000

Cars with Apple CarPlay

Cars with Backup Camera

Get approved now!

Start your financing journey from the comfort of home. Apply online in minutes. Fast, simple, and stress-free.

Get pre-qualified

New arrivals

SUV | SEDAN | COUPE | TRUCK

Stock # 7735

2016 Mercedes-Benz C 300

92,494 miles

$14,998

Est. Payment
$256/mo

Stock # 7741

2013 Chevrolet Camaro

2SS

80,525 miles

$20,998

Est. Payment
$375/mo

Stock # 7732

2018 Honda Odyssey

EX-L

130,726 miles

$17,998

Est. Payment
$297/mo

Stock # 7730

2019 BMW 330i

330i

102,325 miles

$17,998

Est. Payment
$297/mo

Browse new arrivals

Trusted by 1,300+ Happy Customers. See why drivers across the St. Louis area choose South County Auto Plaza for honest pricing, flexible financing, and a pressure-free buying experience.

Clelia Ann
2/14/2026

Out of all of the cars I’ve looked at, Jeff took care of me! He was thorough, educational, and made me feel like I can trust him and this business. I’m happy with my purchase and excited to have a new car!

Jason Wright
1/23/2026

I recently bought a car for my 16 year old daughter from South County Auto Plaza and could not have asked for a better experience. The process was stress free and I got a quality car at a fair price. Go see Dylan Kilbourne and he will treat you right and he is super responsive as well! The customer service side was just as great- shout out to Jason on their team. I would buy another car from them without thinking twice about it.

Gale Knittig
12/12/2025

Jeff was amazing! No pressure and went over what they needed to do to the vehicle. After sale was also a great experience. They did 100% what they promised! I highly recommend South County Auto Plaza and ask for Jeff, he will take care of you!!

Izzy Wolff
12/3/2025

Jeff is the guy who helped me with my car. Was super nice and friendly, made sure that I’m saving as much money as I could. Helped me find the best financing with my credit!! Happy to get my car from them

Sara Manka
8/24/2025

Burton was fantastic, he helped explain details and looked into anything i had a question on while I was in looking at cars and helped me feel confident with my purchase. Everyone was helpful and they take the time to really explain and give details about warranties, coverage and more. I will definitely recommend to others based off my experience.

Adam Harman
8/12/2025

Posting on behalf of my son I co-signed for tonight with Brandon at SCAP. His first “adult” purchase at 19 and he couldn’t be more excited. Thanks to the whole team at SCAP especially Brandon. Popcorn was good bro. Haha Would definitely recommend and would be a repeat customer

Why choose South County Auto Plaza?

Located in St. Louis, Missouri, South County Auto Plaza is your trusted destination for quality pre-owned vehicles, transparent pricing, and flexible financing options.

We proudly serve drivers throughout the St. Louis metro area with a wide selection of reliable cars, trucks, and SUVs — all carefully inspected for safety, performance, and value. No hidden fees. No pressure. Just honest deals.

Our experienced team is here to guide you through every step of the process, whether you’re buying your first car, upgrading to a family SUV, or shopping for a dependable work truck. We take the time to understand your needs and help you drive away with confidence.

At South County Auto Plaza, buying a car is simple, straightforward, and built around you.

Learn more