Welcome to West Side GMC
GMC TRUCK MONTH
0% APR FOR 5 YEARS for well-qualified buyers.1 OR 2026 GMC SIERRA HEAVY DUTY DENALI MODELS 4.9% APR FOR 48 MONTHS for well-qualified buyers.2
1. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 10.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 6/30/26. 2. Monthly payment is $22.98 for every $1,000 you finance. Average example down payment is 10.7%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 6/30/26.
TRUCK MONTH 3.9% APR FOR 5 YEARS for well-qualified buyers.1 Plus, an additional $3,000 PURCHASE ALLOWANCE for current eligible non-GM owners/lessees.2 Plus, no monthly payments for 130 days.3
1. Monthly payment is $18.37 for every $1,000 you finance. Example down payment is 28.3%. Must finance through GM Financial. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 6/30/26. 2. MUST BE A CURRENT OWNER OF A 2012 MODEL YEAR OR NEWER NON-GM VEHICLE OR A CURRENT LESSEE OF A 2021 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 6/30/26. 3. Deferred monthly payments for 130 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 6/30/26.
OnStar One delivers the best in safety, control and entertainment
OnStar® plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Not all vehicles may transmit all crash data. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. Subject to user terms. See onstar.com for details and limitations.
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Welcome to West Side GMC

Whether you're searching for your next adventure-ready truck or looking for certified service on your current model, there's no better place to start than at West Side GMC. As your local GMC dealer near Oshkosh, West Side GMC's team is committed to helping you find and maintain a GMC model that will power your drives for years to come. Learn more about the GMC lease deals, financing options, and maintenance specials available at West Side GMC, and discover why so many drivers make us their preferred GMC dealership in Berlin. 

Visit Us for GMC Financing & Leasing

As your premier GMC dealer near Wautoma, West Side GMC boasts an expansive selection of new, certified pre-owned, and used vehicles to suit your unique needs. Our team also offers a wide range of GMC financing and leasing options across our inventory so you can find a model that suits your lifestyle and budget. Browse our selection of GMC lease deals and financing offers online to discover how much you can save on your next performance-oriented truck or SUV when you shop with West Side GMC.

Trust the Experts at Our GMC Service Center

West Side GMC's commitment to providing a first-rate dealership experience doesn't stop at our GMC lease deals. After you drive off our lot in a new or pre-owned GMC, the certified technicians at our GMC service center are here to help you stay up-to-date with your latest maintenance needs, from oil changes to brake service. In addition, our experts perform all their repairs with certified GMC parts from our parts department, ensuring you receive a perfect fit on every replacement. Schedule an appointment online with our GMC service center today, and our team will help you keep your GMC in tip-top shape. 

Make Us Your Preferred GMC Dealer Near Ripon

The best way to explore all the GMC financing, leasing, and service options at West Side GMC is to visit us in Berlin today! Contact us online or by phone at (920) 789-2302 to take the next steps in your GMC journey, and our team will help you find the new vehicle or service you need for your demanding lifestyle. 

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Our Reviews

DealerRater Jun 4, 2026

Out standing service. I've been going there for years. Their estimates for the cost of work are always in the ball park. Recently they replace the air conditioning condenser in less time and at a lower cost than the estimate owing to less labor cost. That is what I've come to expect from their service department.

Google Jun 3, 2026

DealerRater Jun 2, 2026

I was amazed that they even offered to sell a Jeep Gladiator Mojave. The price was up there; but so was all the features that this Mojave offered. They even serviced the Jeep after I had the bed covered and running boards installed. Amazing.

DealerRater May 30, 2026

Great, fast, easy Dealership was fast and easy to speak with. They made purchasing the vehicle very easy and they did a great job of explaining things to me

DealerRater May 26, 2026

Easy to deal with. No issues! I'm happy I found West Side Garage. Good place!

DealerRater May 26, 2026

Easy to deal with. No issues! I'm happy I found West Side Garage. Good place!

DealerRater May 26, 2026

Friendly and helpful They keep me informed about what needs to be done with my car to keep it in good safe running condition.

Google May 23, 2026

Very professional and focused on my needs. My sales consultant, Chris, did an outstanding job helping me. Clearly West Side Garge is a 5 STAR dealer.

DealerRater May 22, 2026

Tge dis the service i need on time, and thorough. Professional , courteous, friendly service

DealerRater May 17, 2026

Always have good service with west side gm service dept is very friendly and helpful

DealerRater May 17, 2026

I was satisfied with the deal and financing they set up for me they did a good job.

DealerRater May 17, 2026

The staff at West Side are friendly and helpful. The shop performs the service that keeps our vehicles running well

DealerRater May 17, 2026

The dealership staff are friendly and helpful. The service department provides the service that keeps are vehicles running well.

DealerRater May 16, 2026

They greeted me with a friendly smile and took me right on time! Car was serviced in a timely manner!

DealerRater May 9, 2026

Very friendly. They listen to your concerns and answer any questions you might have. Always quality service work.

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Main (920) 361-5100 Parts (920) 789-2322 Sales (920) 789-2302 Service (920) 789-2324
822 Broadway
Berlin, WI 54923
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822 Broadway, Berlin, WI, 54923

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West Side GMC 43.96806, -88.97611.