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Appointment Information*

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Service Hours

  • Monday 7:00AM - 6:00PM
  • Tuesday 7:00AM - 6:00PM
  • Wednesday 7:00AM - 6:00PM
  • Thursday 7:00AM - 6:00PM
  • Friday 7:00AM - 6:00PM
  • Saturday 7:00AM - 12:00PM
  • Sunday Closed


  • Service: (815) 345-4977
  • Parts: (815) 345-4762

Welcome to Gary Lang Buick GMC

Gary Lang Buick GMC, Proudly Serving McHenry, Crystal Lake, Gurnee, Lake in the Hills and Johnsburg, Offers More Than Just Friendly Service

What can you expect when you enter the Gary Lang Buick GMC showroom? Well, aside from a warm welcome, a great selection of new and used cars to choose from, as well as onsite auto service, a vast collection of parts and a financing team that understands the needs of drivers like you. If that sounds good to you, come see us today in McHenry, Illinois.

When you're in the market for a new GMC or Buick, then you've certainly made the right choice coming to Gary Lang Buick GMC! With a large selection of GMC Sierra 1500, GMC Terrain, GMC Canyon, Buick Encore and Buick Enclave models in stock, you'll have plenty to consider before making the big purchase. Find something you like? Jump behind the wheel for a spin and get a taste of what you're missing in your life. Shop all of ourĀ new car and truck offers.

Beyond simply selling new cars, our dealership is also known for giving GMC and Buick models a second chance on the road by carrying an excellent selection of used cars as well. Each vehicle we receive from a previous owner is thoroughly inspected to make sure it's fit to be driven in McHenry and the surrounding Crystal Lake, Gurnee, Lake in the Hills and Johnsburg areas, meaning you can count on a reliable vehicle when you shop at Gary Lang Buick GMC.

When You're Ready to Make the Big GMC or Buick Purchase, our McHenry Auto Experts are Standing By

Gary Lang Buick GMC is ready and waiting to help you out in any way we can. Our skilled financial team will be delighted to discuss a car loan or lease, finding the solution that works for you. After all, your needs are our priority when it comes to realistic auto financing.

In order to ensure your complete satisfaction (even long after you've driven home your new car) Gary Lang Buick GMC staffs an onsite auto service and repair department that proudly serves drivers from McHenry, Crystal Lake, Gurnee, Lake in the Hills and Johnsburg. Thoroughly trained inside and out to know your GMC Sierra 1500, GMC Terrain, GMC Canyon, Buick Encore or Buick Enclave, our technicians are provided only certified GMC, Buick parts when making repairs, ensuring your car runs as efficiently as the day you first took a seat behind the wheel.

Curious to learn more? Feel free to stop in to Gary Lang Buick GMC of McHenry, where we are always eager to assist you. We can discuss vehicles here in our showroom, over the phone, or through our website. Getting to know all of you in the greater Crystal Lake, Gurnee, Lake in the Hills and Johnsburg areas is always an enjoyable experience for us, so stop in during our scheduled business hours at 1111 State Route 31 in McHenry, IL, where we can continue the conversation, and answer any questions you might have.