Used GMC cars for sale near O'Fallon, MO

I fell in love with my GMC Terrain when I test drove it and have not lost that loving feeling! I have received tons of compliments on it.

I brought this truck in 2019. I kept taking it back to the dealership to get tweaked several times. Once it was figured out, never got any problems ever again. A little weak on the power side, but, other than that, its a magnificent vehicle. A total work horse. Great on gas. It is totally worth it.

Good and easy people to work. Duru was so helpful and kind. They help us to know everything we wanted to know and be safe on the road. Thank you guys.

Just the right size for 2 adults, a child, two large dogs and two large ice chests to head to the boat with all our equipment and food. Hated to see them downsize it in '17. It has had few maintenance issues and they have been reasonable in cost. It has kept it's value over the years.

Been looking at used trucks for some time. Trenary in Troy had a vehicle that I was interested in. Contacted the dealer, asked if truck was still there and set up an appointment to come take a look. My salesman had the truck up front and ready for me when I arrived. The entire process (including finance) went very smooth and I appreciate that! Thanks again!

I love my 2021 GMC Denali 2500HD. I have gotten more complements on this truck than any other vehicle that I have owned. I get great highway fuel milage average 19-26mpg,which is great for a heavy duty truck!

The team really took the time to help me figure out exactly which vehicle was meant for me! They all worked very hard to find my best deal for me, I am loving my choice!!!

READ PLEASE I love my Terrain. DO NOT get the 1.5 L. My engine has barely made it over 100,000 I have had $6k of repairs in less than a year. Things keep going wrong now. I had NO issues before. Catalytic converter went out 75-85k miles. My turbo was just replaced. Just beware of this type of engine… every mechanic that worked on it shared this is not uncommon for this type. I would definitely get another terrain but not the 1.5!

Nice group. Very clear, frank and professional. Their selection was good, all the cars seemed to be in great shape for their age.

Bought 2012 in 2021. I have put 18,000 miles on it. Had to do brakes, CV joint, and the thermostat. Otherwise, it runs very good.

I've had mine for 4 years 2016 SLT ,traded my wife's Hyundai Santa Fe for a caddy srx which I drive as well as a 2018 GMC 1500. The Acadia has been super reliable .knock on wood.. just basic maintenance

Ed Rapien has been our salesman for 15 years for Ford-Mercury products. He is very professional, sells the cars for a fair price, helps with backing up any problems we have had, & I actually feel he is an honest car salesman.My only complaints are that Ford is no longer making sedans or the Mercury brand. These are not Ed's fault, however. Thank heaven they kept him when dealership was sold from Price-Gnade to Trenary.

I always bought the GMC Acadia (4 times) but decided to try the terrain. I absolutely love it and it's a great car for zipping around in town. I would take it for a weekend trip but not on a long trip as it doesn't have a lot of cab room, but for two people it is fine

Great experience. Pat and Jeff made buying our truck easy and fast. Will be back for our next vehicle. We love our truck. Can't wait to see their new facility.

This vehicle is exactly what my family of 7 was in need of. The great price sealed the deal. We couldn't be more satisfied with this purchase

I came in looking for a new Honda and Thomas helped me locate the exact car for my needs. Love the car and I’m glad to add it to my family ! Thanks Tom

Bought a demo car . The Acadia has been great . Wife’s car . She likes it . Roomy and good gas mileage . Would also make a great road trip vehicle if I didn’t have a full size Ram .

Great experience from the Napleton Kia team. They do not change over MSRP and financing was quick easy and painless. Chris Dixon the sales manager was awesome!

One of the most attractive looking t cars GMC has ever designed. Looks just like a Lexus. Extremely roomy. Love every aspect of my Terrain.

We have purchased 6 cars or trucks from Dave Sinclair Ford or Lincoln. They have always treated us well during and after the sell. We tried to buy a Chevy EV Bolt this month but the service was so bad we choose to keep our Lincoln instead. If I had not moved to the east coast last year, I would continue to only buy from Dave Sinclair.

Jeff Bess listened to my needs and help solve my problem. As always Suntrup and Jeff gave me great service and assisted me in every way. I highly recommend both Suntrup and Jeff Bess. Thank you for your assistance

This is a luxury suv with plenty of room. I'm still learning the features. It is a smooth ride with a great interior. Great for towing a popup camper.

Everyone was nice and the place was extremely busy. We worked with Nick who was working with 2 sets of customers at the same time, he did a pretty good job of handling both. We test drove a truck and tried to work a deal, but it just did not get down into our price range.

One very awesome vehicle. Checks all the boxes you need in a truck and exceeds expectations on quality, performance, and looks great ,too. Love my nre truck.

Hands down the best buying experience I ever had, Paul Johnson and Frank in Finance were extremely easy to work with, I felt it was going to be a great experience from the moment I walked into the dealership and was greeted. hanks Guys for making it easy!

This truck is the truck that all others should look up to. It rides great, will tow a house, runs smooth, and gets great fuel economy. The Allison transmission is so smooth. The AT4 looks great too.

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!

So far so good! This truck is the nicest truck I have ever driven. The stance, ride comfort and options are top notch. I went from a 2023 High Country that was having drive train issues but had all the creature comforts that you would expect in a top of the line truck. With the lack of confidence in that particular models 10 speed transmission issues, it became necessary to reestablish my confidence in my General Motors product.

I worked with Samir Hamzic as my sales rep and he was wonderful! He made the experience very pleasant, asked my car needs, shared information on possible cars to suit my needs, and helped me find the perfect one!

check the oil every tank fill, dealer advised if it dropped too far it would scrap the timing chain, interference engine lock up. a 6 inch strip of paint blistered off the roof, the rear deck won't set down horizontal (everything slides to the rear. rides like a limo, handles like a dream, no real probs. 168k on the odo.

A very special Thank You to both Chad Sigsworth (Sales Associate) and Patrick Amann (Service Associate) who both assisted in the replacement of my engine. Both gentlemen were dedicated from the begining to the end of this replacement. They both stayed right on top of things and kept me well informed until the job was completed. I will always purchase any future vehicles through Dave Sinclair due to their honesty, dedication, and treatment of their customers. They have one of the best staff I ever had the pleasure of working with. Keep up the great work. Sandra Hearn

25 000 miles on it so far No issues at all Power is fine Bluetooth is terrible Memory seats need work Lumbar is a bad design

Everyone has been very conscientious and courteous checking back with me to determine what I want and if I was aware of the age of the vehicle. They also informed me that their service department wanted to work on some issues with the car and that they would let me know what they did and what work they believe still needs to be completed.

I have had this car 5 years 90000 km. No problems so far, it has been exceptionally good. The only money I have spent is gas and oil changes. I. Would buy another one

Have purchased a lot of different cars at different dealers and the three I delt with there were great. Best experence ever. Derek , Adam, and Grant treated us like royalty. Purchased a 2025 Teguan for my grand daughter 11/14/25 and went back 11/15/25 and bought one for my wife. No presure sales and two the point , no haggle sales. I have probably purchased over 50 vehicles in my 78 year history and this is like sales should be. First time volkwagen purchases.

I love my car. I love the way it handles, and the confidence I have in it when I’m on the road. The room in it is fantastic. All the room I need for when we travel.