Sales: (866) 273-5124
Service: (866) 281-4184
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Customer reviews

4.6 / 5
  • SRX Customer reviews

    Serviced on my 2010 SRX Oils Change + and service slow leak in Tire. Courteous and appropriate service in timely manner. Completely satisfied pending leak staying fixed.

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    2010 Cadillac SRX
  • XTS Customer reviews

    2013 cad xts for recall Dale was very helpful service was fine thanks for wash job

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    2013 Cadillac XTS
  • Malibu Customer reviews

    Staff was very helpful. Service was very good. I had purchased two Malibus from another dealership as a favor for a friend and the decks were exceptional, but have brought my two vehicles to you for

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    2013 Chevrolet Malibu
  • Aveo Customer reviews

    No matter where my family buys our cars from we always bring it to Adam from service.He is by far the best service advisor I have ever worked with.

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  • XTS Customer reviews

    Brought 2013 XTS for warranty-recall service. Dale Cado and staff deserve highest praise for prompt, courteous, efficient resolution of issue in a very pleasant environment.

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    2013 Cadillac XTS
  • ATS Customer reviews

    To early to tell.....

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    2013 Cadillac ATS
  • LaCrosse Customer reviews

    I've always had outstanding and quick response to all of my service needs from Gary Lang .. Always done right the first time getting back on the road in my car. .. Thank you Gary La

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    2010 Buick LaCrosse
  • Cruze Customer reviews

    I came in for a recall. Chris took care of me as professionally as always. I got in and out in less than an hour, including a car wash.

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    2013 Chevrolet Cruze
  • HHR Customer reviews

    I had an engine problem with my 2009 HHR and it was diagnosed by the devices you use for such problems. Being under warranty the solenoid was replaced and yoo hoo problem alleviated. Courteous servi

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  • Sierra 1500 Customer reviews

    I purchased a new GMC.from Gary Lang my sales person was Bill Ciszon. He was very helpful made sure. I got the truck I.wanted all the new features were explained as well as the warranty .My new tru

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    2014 GMC Sierra 1500

Pre-Owned Specials

Service Coupons

  • 30 DAY PRICE MATCH ON TIRES*
    *Disclosure Eligible tire brands: BFGoodrich, Bridgestone, Continental, Dunlop, Firestone, General, Goodyear, Hankook, Kelly, Michelin, Pirelli, Uniroyal. Ad, written estimate or internet quote for identical tires from a competing tire retailer located with 50 miles of the dealership required during guarantee period for price match. View Details
  • BUY 1 GET 1 FREE WIPER BLADES*
    Purchase the Left Wiper Blade, Get the Right for Free!
    *Disclosure Front wipers only. Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. Expires expires on 06/30/2014 View Details
  • FREE MULTI-POINT INSPECTION*
    Free inspection with any service or repair!
    *Disclosure Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. View Details
  • MEET OR BEAT*
    Gary Lang Auto Group will meet or beat any other dealer's advertised discount on any service ad.
    *Disclosure Plus tax and shop supplies. Must present our coupon and other dealer's coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. View Details
  • DO IT YOURSELF SPECIAL*
    Get the Parts and Accessories you Need at the Prices you Want!
    15 % OFF
    *Disclosure Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. Expires expires on 06/30/2014 View Details
  • EXTREME SAVINGS*
    *Disclosure Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. Expires expires on 06/30/2014 View Details
  • Free Battery Check*
    Good with any service or repair!
    *Disclosure Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. View Details
  • FREE SHUTTLE SERVICE*
    *Disclosure Pick up and drop off location must be within 15 miles of the dealership. Must present coupon when order is written. Cannot be combined with any other discount or special. Dealer restrictions may apply. Valid only at Gary Lang Auto Group. View Details
  • PARTS WARRANTY*
    Take advantage of our Limited Lifetime Parts Warranty, available exclusively at you Gary Lang Auto.
    *Disclosure Valid only on Chevy, Buick, GMC, and Cadillac vehicles. Select GM OE parts only, which must be customer paid and dealer installed. Limited Lifetime Parts Warranty does not include labor costs for required dealer replacement part installation. See dealer for details. View Details
  • Check Engine Light On?*
    Free Check
    *Disclosure Plus tax and shop supplies. Must present coupon when order is written. Cannot be combined with any other discount or special. Valid on most vehicles. Expires expires on 06/30/2014 View Details


Welcome to Gary Lang Auto Group in McHenry, IL


Gary Lang Auto Group is the #1 car dealer in McHenry county and has the new or used car, truck or SUV you're looking for. Come down to our McHenry Chevrolet, GMC, Buick and Cadillac dealership and let our friendly staff help you find the right vehicle for you. Our top priority has always been to surpass your expectations in every way and we think both our sales and service will impress you. Visit our hours and map page for directions from Crystal Lake, Lake in the Hills, or anywhere in Northern Illinois and then come on down to our dealership and experience the pride every one of our employees takes in the vehicles we sell. If you hurry you can find great pricing on the last of our 2013 models. It's the last call for 2013 models, so come on down to our McHenry car dealership.

Your McHenry Chevrolet Dealer Serving Crystal Lake and Lake in the Hills

Lake in the Hills shoppers can find the agile Equinox and Traverse crossovers. They drive like a sedan with the room of an SUV. If you need more payload you can check out our large selection of trucks. McHenry Chevrolet customers need to see the Avalanche, Colorado and full line of Silverado trucks. They work hard and are built to last. Crystal Lake Chevy shoppers can also find the full line of Chevy cars. Try the iconic Camaro, plush Malibu, and stylish Impala. If you are looking for better gas mileage, try the sporty Cruze and Sonic, or the all-electric Volt. At Gary Lang in McHenry, we welcome all Woodstock and Lake in the Hills shoppers!

Woodstock and Richmond Spring Grove Buick, GMC Shoppers Choose Gary Lang 

Richmond Spring Grove shoppers can find the Acadia and Terrain crossovers. They are more economical than the larger SUVs and still have enough room for your whole family. Woodstock Buick shoppers may prefer the Enclave crossover. It has all the features you would expect from a luxury sedan. Crystal Lake GMC shoppers can find the Canyon and full line of Sierra trucks. They will make you expect more from your current rig. Crystal Lake Buick customers in the market for a new car can find 3 that get 30 mpg or better. Test drive the Lacrosse, Regal, or Verano and you'll be sold. Gary Lang Auto Group has all of the Richmond Spring Grove Buick and GMC vehicles you are looking for.

Serving Crystal Lake and Fox Lake Cadillac Shoppers

Crystal Lake Cadillac crossover customers need to see the SRX. Fox Lake Cadillac shoppers can also find the pinnacle of luxury SUVs, the Escalade. Nothing else makes an impression like it. McHenry Cadillac shoppers looking for the precision engineering and unmatched styling of the XTS and CTS line can find them all at Gary Lang Auto Group. Get a commitment free quote online on any of our vehicles.

A McHenry car service and repair dealer you can trust

Come down to our McHenry car service center for your next oil change, tire rotation, or scheduled maintenance, and our ASE-certified technicians will have you back on the road in no time. We take a special pride in all of our service and repair jobs - if for any reason you have an issue, come to us and we will make it right. We serve all Northern Illinois GM owners and you can view our service specials, schedule an appointment, or order parts online.

See Gary Lang for great rates on a McHenry Auto Loan

The finance department at Gary Lang GM works with a large group of McHenry Auto Loan providers to ensure you find the right auto financing for your new or used vehicle.  Besides years of experience working with Northern Illinois GM shoppers and a broad range on lenders, we also have the flexibility to offer credit amnesty. If you have bad credit, no credit, or a bankruptcy or foreclosure on your record, don't worry. You are forgiven! Contact us with questions or come in and talk with one of our McHenry auto financing experts today. 

McHenry used cars, trucks and SUVs for less

Our McHenry car dealership has a large selection of used cars. Come in and let our friendly sales staff help find the right car, truck or SUV for you. Once you do, our knowledgeable financial department can help you find a loan that fits your budget. Woodstock Chevrolet, Buick and GMC shoppers can begin the process by pre-qualifying online. Thank you for visiting Gary Lang Auto Group where we have "The right car, at the right price, right now."

The Preferred McHenry Buick, Cadillac, Chevrolet, GMC Car Dealership 

Gary Lang Auto Group offers the full line of Buick, Cadillac, Chevrolet, GMC vehicles to Lake in the Hills, Woodstock, and Richmond Spring Grove drivers. Our McHenry car dealership is a quick drive from Crystal Lake and we regularly see Chevrolet, Buick, Cadillac and GMC owners at our service center. With great deals on a huge selection of vehicles we think you should come visit us too!