1 To qualify for the General Motors Limited-Time Special, you must: (1) be a current Costco member by April 30, 2024; (2) register with Costco Auto Program online or through its call center by July 31, 2024 to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any Chevrolet or Cadillac dealer at time of visit; (4) take in-stock delivery between May 1, 2024 and July 31, 2024 of a new 2024 Chevrolet Blazer EV, 2024 Chevrolet Equinox EV or a new 2023, 2024 Cadillac LYRIQ to receive a $1,000 Costco member-only incentive. (5) take in-stock delivery between June 1, 2024 and July 31, 2024 of a new 2023 or 2024 Chevrolet Silverado 1500, GMC Sierra 1500 to receive a $1,000 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 for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.
1 Includes 2023 Traverse, 2024 Silverado 1500 and Traverse Limited, and 2023/2024 Trailblazer, Equinox, Colorado, Malibu and Blazer models. Finance charges accrue from date of financing. Deferred monthly payments for 90 days. 1.9% APR for 36 months. Monthly payment is $28.60 for every $1,000 you finance. Example down payment: 15.4%. Must finance with GM Financial. Down payment required at signing, if applicable. Not available in PA. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 7/1/24.

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Welcome to Bosak Chevrolet GMC

If you’re looking for a diverse Chevrolet inventory and friendly service, look no further than our Chevy Indiana dealership near Michigan City! We’re famous for our wide selection of new vehicles and have the perfect car, truck, or SUV for you! Looking for an affordable option? Consider our pre-owned used vehicles for sale near South Bend, IN! Our Indiana Chevrolet dealership offers plenty of high-quality used options, as well as certified pre-owned vehicles for LaPorte, IN shoppers looking for peace of mind with their Chevrolet, GMC purchase. 

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Expert Chevrolet NWI Indiana Service

Whenever you need us, your premium Indiana Chevy Dealer near Burns Harbor, IN is here for you, and our fleet of veteran service technicians is standing by any time you need their expertise. We are dedicated to our Chevy Cares initiative guidelines and you can count on our Service team to help you with all of your routine maintenance and repairs around Stevensville, MI while keeping your safety a priority. Schedule a service appointment today, take advantage of our rotating service specials, browse available parts and GM accessories to customize your ride, and visit our Chevy Indiana lot today for services such as: 

- Brake Service
- Tire Rotation
- Battery Replacement
- Fluid Replacement
- Cabin Air Filter Replacement
- Wiper Blade Replacement
- Multipoint Vehicle Inspection
- Engine Transmission Diagnois and repair
- Oil Change 
- And plenty more!

Savvy Advice from our Chevy Indiana Finance Experts

Ready to get the purchasing process started for your preferred Chevrolet or GMC models? Reach out to our knowledgeable Finance Center to begin constructing a smart and affordable finance plan. However, if you’d rather plan out your budget and payments yourself, we implore you to take advantage of our car buying tips and use our online tools like the Payment Calculator, Value Your Trade portal, and our financial pre-approval forms to streamline your next vehicle purchase! 

Your Favorite Indiana Chevy Dealer - Bosak Chevrolet GMC

We know that you’ve got plenty of options when buying a vehicle, which is why we’re honored that you’ve chosen us as your preferred Chevy dealer in the Valparaiso, IN area. Bosak Chevrolet GMC is just a short drive away from the greater LaPorte, IN area and is a dealership you can trust. Check out our latest finance options and lease deals, trims, and of course, contact us if you have any further questions! It's Better @ Bosak

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9911 West 300 North, Michigan City, IN, 46360
Bosak Chevrolet GMC 41.6544, -86.8904.