Welcome to J.C. Billion GMC Buick
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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
2. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in a 2009 model year or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
3. Deferred monthly payments for 121 days. Excludes residents of PA and ME. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
Some features shown may have limited, late or no availability. See dealer for feature availability. Available accessories shown.

Important Information
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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
2. MUST BE A CURRENT OWNER OF A 2009 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2018 MODEL YEAR OR NEWER NON-GM VEHICLE FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
3. Deferred monthly payments for 90 days. Excludes residents of PA. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
Some features shown may have limited, late or no availability. See dealer for feature availability.

Important Information
Hide Information
1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
2. MUST BE A CURRENT OWNER OF A 2009 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2018 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE THROUGH GM FINANCIAL FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 10/2/23.
3. Deferred monthly payments for 121 days. Excludes residents of PA and ME. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 10/2/23.

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*Ad, written estimate, or internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match. Tire match price must be determined prior to applying a tire manufacturer rebate, if any. At participating dealers only. Offer ends 12/31/2023.





Certified Pre-Owned
Get a pre-owned Buick/GMC vehicle that's inspected and warrantied.


Value Trade-In
Get an online quote from J.C. Billion GMC Buick for your pre-owned vehicle.

Welcome to J.C. Billion GMC Buick
Thank you for visiting us. We have been a Bozeman auto dealer since 1978 serving Butte and Helena, MT GMC and Buick customers. We believe in service the old-fashioned way and you will still be greeted at the door with a handshake and a smile. Our conveniently located showroom proudly serves Butte, Billings, and Helena, MT GMC and Buick car, truck, and SUV shoppers. Visit our contact us page and drop by today!
We are passionate about the vehicles we sell and the customers we serve throughout Bozeman. Our loyal customers come back repeatedly because they know they can trust us with their business. See for yourself what our customers say about us.