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 3/4/24. 2. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in A 2010 MODEL YEAR or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 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 3/4/24. Available accessories shown.
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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 3/4/24. 2. MUST BE A CURRENT OWNER OF A 2010 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2019 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 3/4/24. 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 3/4/24. 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 3/4/24. 2. Not available with lease and some other offers. Take new retail delivery by 3/4/24. 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 3/4/24.
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Preproduction and simulated models shown throughout. Actual production model may vary. HUMMER EV is available from a GMC EV dealer.
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*Eligible brands are ACDelco Gold ($20 rebate per battery), ACDelco Original Equipment ($10 rebate per cabin air filter, $10 rebate per engine air filter, $15 rebate on three wiper blades). Purchase and installation must be at a participating U.S. GM Dealer. Installation not required for wiper rebate. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 3/31/2024. Limit one rebate per part category per-VIN. Rebate will be issued as a Visa® Gift Card; allow 6 to 8 weeks for delivery of gift card. Offer ends 2/29/2024.
Important Information Hide Information
1. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in a 2010 model year or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 3/4/24. Available accessories shown.
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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.

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J.C. Billion GMC Buick 45.67686, -111.10474.