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Used
Audi cars
for sale
near
O Fallon, MO
under $30,000
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

Used
2019 Audi S5 3.0T Prestige
Vehicle information
Features
Reviews
Facilities are amazing.
Facilities are amazing. Ryan Bayer knows the audi brand better than anyone. Car and price was perfect. Will definitely buy there again. Ryan covered everything I needed to know and more! Best car buying experience I have ever had.
Swiss Army knife car
Absolutely the most versatile car available. The perfect combination of a sedan, wagon, hatch, and a coupe. The EA839 is a great power plant. Economic all with a great balance of power.

Used
2022 Audi A4 40 Premium
Vehicle information
Features
Reviews
Josh Greenlee (service advisor) always goes the extra
Josh Greenlee (service advisor) always goes the extra mile to insure customer satisfaction. Needed a emissions inspection for a registration renewal. Had forgotten to make an appointment last week. Called Josh comings off a holiday week and was accompanied that afternoon. Outstanding as usual.
I couldn’t be more satisfied with my recent visit to ALM
I couldn’t be more satisfied with my recent visit to ALM Marietta. From the moment I walked in, the experience was top-notch. My sales rep, Lou, was truly outstanding from start to finish. The entire buying process was smooth and stress-free, he was attentive and patient throughout. I never felt rushed or pressured, which made everything even better. Lou also made sure everything behind the scenes ran seamlessly. The team at ALM Marietta is clearly committed to excellence, and I’m extremely happy with my Audi A4!






Used
2015 Audi A3 2.0 TDI Premium Plus
Vehicle information
Features
Reviews
I WAS VERY SATISFIED WITH THE DEAN TEAM AND BRANDY
MY EXPERIENCE WAS VERY GOOD. BRANDY PETERS WAS MY SALESPERSON. SHE HELPED ME AND TOOK VERY GOOD CARE OF ME AND THE CAR I BOUGHT
Awesome small sports car!
Bought used and owned for over a year now and this car is amazing! smooth ride, great fuel economy, luxurious and very well crafted. I have been in an accident with this car and it held up very well and is a super sporty yet safe and practical car. 10/10 would recommend!!
Used
2023 Audi A3 Premium
Vehicle information
Features
Reviews
Excellent customer service
On July 15, 2023 I purchased a new car from Dean Team Volkswagen in Kirkwood. Eddie was great to work with and made buying a new car painless. We were in and out in no time. Thank you Dean Team...awesome customer service, we will be back!
The car I purchased exceeded my expectations, the
The car I purchased exceeded my expectations, the interior is spectacular and the lights are amazing. Spencer does a very good job at the front and has always been a big help, 10/10 would recommend.

Used
2018 Audi A3
Vehicle information
Features
Reviews
Wonderful thank you Fred Willams and team for the
Wonderful thank you Fred Willams and team for the amazing experience ❤️❤️,Im so greatful you guys are wonderful
Excellent Sport Sedan for an Exceptional Price
The car was a 2 year old used car, but was meticulously cared for and lightly driven. Interior was in exceptional condition and it featured the options and color combo I desired.






Used
2017 Audi Q7 3.0T Premium
Vehicle information
Features
Reviews
Go see Billy Willis!
We had the pleasure of working with Billy Willis. He was so knowledgeable and placed zero pressure on us. It was by far the easiest experience we’ve had. We couldn’t be happier with our 2022 Tucson or with the service we received from Billy!
Certified used purchase
This is my first experience with Audi and I am extremely happy with this beautiful SUV. The ride is quiet and comfortable and the power and acceleration are impressive. I find myself going to the store for no reason and a recent drive to visit my parents 400 miles away went quickly thanks to the massaging seats and powerful Bose stereo. Very happy so far with my Q7.
Used
2014 Audi Q5 2.0T Premium Plus
Vehicle information
Features
Reviews
THE BEST HYUNDAI DEALERS AROUND.
Thank you Andy for taking the time with me in purchasing my new Sonata. Showing and telling me about the new features of my Sonata. Thank you also for your assistance in helping me with my accident. I will definitely recommend you to anyone who needs a new car. Also thank you Ryan for your assistance in handling my finances. You are both amazing and Awesome. Michael Simpson.
Great and Reliable Car!
Having now over 202,000 miles I can say this is a great car to own and drive. Friends never believe the mileage that is on the car because it rides and drives so amazing. The interior quality of materials and fitment are also exceptional and have held up perfectly over the years. These cars do require maintenance but if properly taken care of they will last a long time and be very reliable!
There are additional matching cars outside your search area.
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Used
2020 Audi Q5 Premium Plus 55 TFSI e quattro S tronic
Vehicle information
Features






Used
2019 Audi Q7 55 Prestige
Vehicle information
Features






Used
2020 Audi Q5 45 Premium Plus
Vehicle information
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Used
2018 Audi Q7 3.0T Prestige
Vehicle information
Features






Used
2017 Audi Q5 2.0T Premium Plus
Vehicle information
Features






Used
2017 Audi Q7 3.0T Premium
Vehicle information
Features






Used
2023 Audi Q3 Premium 45 TFSI S line quattro Tiptronic
Vehicle information
Features






Used
2022 Audi Q3 45 S line Premium
Vehicle information
Features






Used
2024 Audi Q3 45 S line Premium
Vehicle information
Features






Used
2022 Audi e-tron Premium Plus
Vehicle information
Features
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Used Audi by price
Audi under $30,000 by city
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Audi under $30,000 in O'Fallon, MO
21 Great Deals out of 93 listings starting at $5,800
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Audi under $30,000 in O Fallon, MO
21 Great Deals out of 93 listings starting at $5,800
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21 Great Deals out of 93 listings starting at $5,800
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18 Great Deals out of 84 listings starting at $5,800
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Audi under $30,000 in Saint Paul, MO
18 Great Deals out of 84 listings starting at $5,800
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Audi under $30,000 in St. Peters, MO
22 Great Deals out of 95 listings starting at $5,800
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Audi under $30,000 in Saint Peters, MO
22 Great Deals out of 95 listings starting at $5,800
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Audi under $30,000 in Weldon Spring, MO
21 Great Deals out of 93 listings starting at $5,800
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Audi under $30,000 in Wentzville, MO
16 Great Deals out of 69 listings starting at $6,200
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.