Interested in service specials for your Buick car, Buick SUV, GMC van or GMC truck? Look no further than Gary Lang Buick GMC in McHenry, IL. We offer the best Buick and GMC service specials in the McHenry, Crystal Lake, Gurnee, Lake in the Hills and Johnsburg, IL areas. If you can't find the service special you're looking for, call or visit our Buick and GMC dealership today to speak with an expert in our service department who can help you with the service or repair you need!

Looking for great deals on a used Buick or GMC or looking for new GMC and Buick specials? Gary Lang Buick GMC has been proudly serving Buick and GMC drivers in the McHenry, IL metro for many years for a reason! Find out why today.

*Prices subject to change due to Makes/Models* 
Free Shuttle With Any Service
Bonus Bucks

The More You Spend The More You Save!

Four-Wheel Alignment Discount $20.00 Off
Two-Wheel Alignment Discount $10.00 Off
Free Wiper Blades W/ Purchase Of 4 Tires and Alignment
Care For Your Car! $99.95

Oil Change, Air Filter OR Cabin Filter & Wiper Blades

30 Day Tire Price Match Guarantee

Find a better price within 30 days of purchase and we will refund the difference.

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Gary Lang Buick GMC

1111 State Rte 31, Building 1
Directions McHenry, IL 60050

  • Sales: 815-345-4877
  • Service: (815) 345-4977
  • Parts: (815) 345-4762


  • Monday 6:30am - 7:00pm
  • Tuesday 6:30am - 7:00pm
  • Wednesday 6:30am - 7:00pm
  • Thursday 6:30am - 7:00pm
  • Friday 6:30am - 7:00pm
  • Saturday 6:30am - 12:00pm
  • Sunday Closed