Welcome to J.C. Billion GMC
1. Limited availability at GMC EV dealers. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 12.4%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 4/30/25.
2. To qualify for the GM EV Marketplace Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by April 23, 2025; (2) register with Costco Auto Program online or through its call center by April 30, 2025, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any GMC EV dealer at time of visit; (4) take delivery between April 24, 2025, and April 30, 2025, of a new 2024 or 2025 GMC Sierra EV, HUMMER EV SUV, or HUMMER EV Pickup to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/EV for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.

1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 4/30/25.
2. AVAILABLE ON THE TURBOMAXTM ENGINE.
3. AVAILABLE ON THE TURBOMAXTM ENGINE. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2020 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 4/30/25.

Eligible tire brands are Goodyear, Dunlop, Bridgestone, Firestone, Continental, General, Hankook, Kelly, Pirelli, Uniroyal. Purchase and installation must be at a participating U.S. GM Dealer. See dealership for tire pricing, savings vary by dealership and tire. Lowest or equal value tire will be $1. Maximum consumer purchase price of $450 per tire. Additional taxes and fees may apply. Offer subject to availability and may change at any time. Limit one offer per VIN. No other offers apply, except GM Tire Price Match Guarantee (Restrictions apply. Eligible price must be provided at the time of purchase. At participating dealers only. Visit GMC.com/tires for details.). Offer ends 5/31/2025.





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Welcome to J.C. Billion GMC
Thank you for visiting us. We have been a Bozeman auto dealer since 1978 serving Butte and Helena, MT GMC 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, 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.