Used GMC Sierra 1500 SLT for sale near Summit, WI

The employees were professional and friendly. They took their time to understand our needs and preferences to help us identify the best vehicles for us. They never pressured us or rushed us to make a purchase.

Let me start by saying I have the AT4 model with the Duramax 3.0L diesel. I had a 2024 Elevation with the 5.3L V-8 that I bought to pull my 22’ camper. While the Elevation pulled my camper fine it drank the gas like it was on a binge. And with a 26 gallon gas tank it seemed I was filling up every couple of hours. After one trip to Nova Scotia I knew something had to change. I pulled my camper out west to Yellowstone and back through Arizona. It pulled like a champ and fillups were a lot more manageable. Even driving the speed limit out west I still got four to five mpg better than with the gasser. I liked the Elevation but I love the AT4. Way nicer ride and great handling. I get 30 per gallon of diesel on the highway if I drive the speed limit but I got it to tow with. I added a Titian replacement fuel tank so I have 43 gallons instead of the 26 it came with.

I will return. Best service department in Waukesha. And I have been to several of them.

2021 GMC sierra 1500, 5.3, crew cab 4x4, 21000 miles. brakepad monitor lites up. dealership says needs brakes and rotors in back. one mo. on warranty. our rural roads dirty up the monitor. Needs new monitor. brakes look great to me. No noises. dealer says parts on order GM strike. Can't replace myself cause of computer...

It took a while due to Nissan. The dealership was great. No pressure type of approach. They do add on 3k for “accessories” that you don’t have the option on. They made up for it by offering more on my trade in. Everything was reasonable. Due to the length of time the sales manager gave us a $50 gift card and a free gas up when we stop by later this week. All good people here.

I purchased a new 2019 SLT with the X1 package. It has the Red Quartz Tintcoat paint. I usually never leave reviews, but honestly this is the most comfortable, nicest loking truck I've owned , and I've ownwd alot of them. The only issues I've had was the brake software was flawed, took it to the dealer on recall and they installed a new software patch, Other then that I love the styling, performance and the interior is very nice. No regrets

Good service. Great Service Manager! Always pleasant!

Am in disbelief every week at the Gas Pumps. Thou a big truck, mileage per gallons are 18 +. Last week it was 22.8. This week 19.78.

I should have given this review months ago. Boy did I get a great car....04 Camry XLE 156,000 miles,but was it cherry. Super clean!! They carry a great selection and will work with you the best they can. SUPER deal I got. Now, today I totaled that great car, so I will be stopping back. Can I say, " you are a fool if you don't check with them out ". Now, have a great day!

Any reviews on this vehicle is not correct. We are first owners and it’s been an excellent truck. We hate to see it go !

Just want to comment on the outstanding effort & style of salesman Mike Pehl. Spends whatever time & effort needed to make things happen. This is a late review as I leased a 2015 LTZ Equinox. Just wanted to him an atta boy. Thanks again Mike.

I own a 2023 Sierra 1500 Elevation equipped with the 2.7L TurboMax, and it’s been outstanding. It currently has 23,000 flawless miles. I’ll admit, I was skeptical of the 2.7 at first, but I jumped in feet-first and have never looked back. Living in Colorado, I regularly tow a 5,000-pound travel trailer through the Rockies with zero performance issues. The truck pulls confidently, handles grades with ease, and still delivers impressive fuel economy—23–24 mpg on the highway and about 18 mpg in town. I couldn’t be happier with this setup. If there is a negative to mention, that would be that after three years of ownership, the black wheels havent grown on me, and Im beginning to hate em. :) Lastly, the mpg while towing drops to 9mpg which is similar to that of a V8. All said, its been a great truck. :)

Great truck, solid engine, comfortable, smooth, and it handles great for such a large vehicle. Get one and enjoy miles of roadtrips with all you can tow or haul.

I received phenomenal customer service from this dealership I flew all the way from Michigan and was mad at the airport by Jairo. He was awesome!!! I felt very comfortable with this whole sale beginning to end. I wire transferred funds before I even seen the vehicle. I was worried to do so but I knew how hard it was to find the vehicle they were selling so I took them at their word and it was a great decision. Keep in mind you are buying a vehicle that won’t be perfect. You’re getting a older used vehicle. As long as you go into your sale with REALISTIC expectations you will be very happy with this dealership! Jairo actually went to another dealership to buy a part for the Wrangler I bought from them because he knew I was driving it a long distance home. Everything worked very well on the Jeep and it was in very good shape for being 15 years old! Jairo also offered to mail me the print out copy of the Carfax and seriously made the whole experience awesome! Thanks guys. If I am looking for another vehicle or know someone who is I’ll make sure to recommend you!

This truck is the base model and that is exactly what we were looking for. A good solid truck without all the fancy technology. It drives like a dream, handles just as well and the interior is sleek and well designed. Perfect black on black exterior.... a man's truck.

Ayinde Garry is genuine and passionate about customer satisfaction. He’s very knowledgeable and professional. I would refer him to many others because he’s really detailed when explaining each question that’s asked without being misleading.

It is a great truck with great capabilities! although i must say, some of the technology in this car has its low points. Center stack tends to not cooperate during bluetooth pairing and the headlights have poor illumination to the point i had to retrofit LED bulbs for better visibility. Overall very comfortable ride and smooth drive

I travelled out of state for my purchase and Brad did a great job at answering my multitude of questions! They had a driver pick us up at the airport(1 hour away), washed and filled up the car. Brad sat down with us helped us find some local eats and got us convict way with ease. Paperwork was quick as well. I can't thank them enough for making this car buying experience very productive and hassle free! Thanks again Brad!

Great truck to own. The 2023 GMC Sierra Denali with the 6.2L engine delivers excellent power, smooth performance, and a refined driving experience. The ride quality, interior comfort, and overall build quality are outstanding. I have had no issues whatsoever, and it has been a reliable, enjoyable vehicle from day one. I would highly recommend it to anyone looking for a premium full-size truck.

No pressure car buying experience with Chad Braeger. He answered all our questions that we had. When I went back a week later to pick up the vehicle from having accessories installed, Chad met me at the door and answered any follow up questions I had with the vehicle.

I bought my 2020 with 36k miles a couple of years ago and I now have 60k miles of trouble free very enjoyable driving. It was expensive, but worth every penny. The ride is so quiet and comfortable my wife and I prefer traveling in it instead of our 2018 Acura MDX which we also love. The 5.3 V8 has plenty of power and towing ability. The multi-function tail gate is genius, I hope to never be without one again. We so enjoy all the bells and whistles, especially the wireless phone charger. So glad I bought this truck!

Worked with Matt to test drive a Gladiator I had researched online, I had a few moving parts in my deal I was working through. He was patience was appreciated, ZERO pressure!! I met Abs, to talk through what I was looking to trade, etc. he was transparent and open with what he could do to help me with my purchase. He’s a solid young man!! When I took delivery working with “Dan the finance man”, offered alternatives BETTER, than what I was planning to bring to the table, the process was effortless. We all don’t “enjoy” the car buying experience but the fellas at Burtness have a great operation and we will be back for my wife’s Grand Cherokee later this year!!

Stong engine and smooth! Highly recommend for familys or someone who likes a smooth truck. Purchased new and have had zero issues since then. Love it!

I bought this after going to the dealer just to look at colors. I had a 2016 Chevy 1500 LTZ that I loved. There was my down payment and took this Denali home. Only 2 options. Paint and moonroof. I thought my chevy with 3.42 gears was quick. This one goes with 3.23's. The ride is great. Fit and finish are perfect. My only complaint is this Bose/Apple play radio is not what the 2016 Bose was.

My 2022 GMC Sierra 3.0 Duramax pickup truck is a good truck. I work on a farm and I also drive an hour to see my girlfriend. For the farm, it has excellent towing capability and for the hour long drive to go see my girlfriend, depending on the weather for traveling, I can get up to 35 miles to the gallon!

It was all handled very well. The man who took my order handled it very professionally. The service was completed in a timely fashion and he explained all that had been done and may need to be done in the future. I appreciated it very much.

Got the duramax diesel and getting 24 city and 32 highway is very good. Truck drives nice and is very comfortable. My 2 issues with this truck is the backup camera at night is useless (very dark) and interior lighting is not very good. You would have thought a 78k truck would have footwell lights, but it doesn’t.

Chad Breager & Patti Galligan went above and beyond my expectations! 2 of the most helpful people I have ever met ! I definitely will be back ! Eddie

We have owned our GMC Sierra 1500 for approximately 9 years now. The only real disappointment with the vehicle is that we had to have a full transmission replacement Just after the 100k mile without any warning whatsoever. The truck now has 107k miles on it and now , again out of nowhere, we are experiencing slipping in the trans and the engine light is now flashing. Very disappointing since we are starting to feel uncertain about the reliability of the vehicle now. The truck itself is gorgeous and shows ZERO signs of its age, sporting new rims and tires and a lifted body and no rust on the body at all. We hope there are no major issues with the engine as the vehicle has always been maintained as needed and on time for regular servicing at the dealership.

Overall I am very happy with my new Truck. GMC however needs to address their software glitch where the display screen intermittently stops working or the audio cuts in and out. I keep hearing a software update is being worked on but that was a while ago?

I like how Omar the seller was helping me out on getting the perfect truck for me thanks to Omar because I?m very happy with my new truck

My truck has a great appearance, inside and out. It is a pleasure to drive; and rides and performs great. It is the best truck I've ever owned.

Nick our salesman made the process smooth, easy and enjoyable by being professional, knowledgeable and caring about my wife and I. Would recommend to all family and friends

I have a 2023 GMC Sierra 1500 Denali with the 3.0 Diesel engine. I have 20,000 miles on it at the time of writing this. Never owned a diesel before and now i don't think i will own another one without it. I LOVE the engine in this truck. Only complaint would be that it likes DEF fluid while towing so pick up some extra DEF before you head out to tow something. Put about 8K miles on it this summer without adding any DEF fluid. seems to use a little more in the winter or when towing. Very quiet for a deisel and the fuel economy is awesome. Driving 70 mph down the freeway this truck gets about 30mpg, Drive 55mph on regular highways and this truck gets almost 40mpg. All around driving for me is about 26mpg. I used to fill up twice a week with my gas motor and now only once a week. Wireless Apple Carplay works great and the voice texting and mapping is a big plus. I also have the new SuperCruise feature which is awesome. Get on the freeway and set the supercruise on and the truck drives itself until i get to my exit (about 28 miles from home to work). Bose stereo is out of this world and all the storage is great to. I have a swingout bed toolbox, aluminum roll up tonneau cover, Lighted black GMC front emblem, Gloss Black 22" wheels, All Black decals and my dual exhaust bezels are black as well. I rotate the tires and change the oil every 5,000 miles. Couldn't ask for a better truck. Might get the ultimate next time as that has the messaging seats which i kinda wish I had.

We have used this Cadillac dealership to service our Cadillacs for years. This time, we dropped the vehicle off to be serviced the next day . . . however, later that afternoon the phone rang and our car was ready to be picked up - a day early! What impresses me about this dealership is . . . the friendliness of their staff, the cleanliness of their facilities the quality of their repairs - all just top notch!

Waiting for the Refreshed 2022 AT4 was well worth it! With all the manufacturing issues today, building and shipping was slow, but understandable. Love the truck and the features! Fit is perfect and quality is #1. Pricing was too high but all vehicles are running this way. You get what you pay for and this truck is perfect! I have owned many trucks and this by far is the best. The latest features are beyond most other makes and GM has thought this truck through from front to rear.