The Sierra 1500 offer of the season
0% APR for 60 months on select new 2026 GMC Sierra 1500 models. Plus updated Labor Day offers on Canyon and Sierra HD—all through September 30.
Purchase allowance and special APR are separate offer paths and may not be combined.
Additional savings may be available for military and first responder customers.
Separate 3.9% APR for 60 months with first payment deferred 90 days is available for well-qualified buyers through GM Financial.
Additional savings may be available with an eligible trade-in, GM Financial financing, military or first responder status.
Additional savings may be available through GM Financial, military and first responder programs.
Additional savings may be available for military and first responder customers.
Additional savings may be available for military and first responder customers.
Additional savings may be available for military, first responder and eligible non-GM owners or lessees.
39 months / 10,000 miles per year.
Must have a Buick or GMC lease registered to the household.
39 months / 10,000 miles per year.
*Sierra 1500 APR: 0% APR for 60 months on select new 2026 GMC Sierra 1500 models for well-qualified buyers through GM Financial. $16.67 per month for every $1,000 financed. Standalone APR incentive program; not available with lease and some other offers. Canyon conquest allowance: eligible customers must be current owners or lessees of a 2012-or-newer non-GM vehicle for at least 30 days before the new-vehicle sale; no trade required. Up to $2,000 on select 2026 Canyon models. Canyon 3.9% APR for 60 months with first payment deferred 90 days is for well-qualified buyers through GM Financial; finance charges accrue from contract date; not available in Pennsylvania. Sierra HD purchase allowance and special APR are separate offer paths and may not be combined. Sierra HD 4.9% APR for 48 months with first payment deferred 90 days is for well-qualified buyers through GM Financial; finance charges accrue from contract date; not available in Pennsylvania. Offers are not available with lease and some other offers. Take new retail delivery by 9/30/2026. Inventory and availability may change. See dealer for eligibility and complete details.
We made your GMC the superior vehicle it is today and we want to ensure it remains that way. Wallingford GMC technicians are highly trained and certified to perform whatever work you may need on your vehicle. Schedule your next appointment with us today.
Schedule ServiceFrom the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there's a GMC Sierra 1500 pickup truck ready to help you take on whatever lies ahead.
View InventoryAt Wallingford GMC, we are dedicated to providing our customers with a premier car-buying experience. Our extensive selection of top-quality vehicles ensures that you will find the perfect match for your needs and budget. When you shop with us, you can trust that you are getting the best deal possible, thanks to our competitive pricing and expert sales team. Discover more about our commitment to excellence on our About Us page.
| Monday | 8:00AM - 6:00PM |
| Tuesday | 8:00AM - 6:00PM |
| Wednesday | 8:00AM - 6:00PM |
| Thursday | 8:00AM - 6:00PM |
| Friday | 8:00AM - 5:00PM |
| Saturday | 8:00AM - 5:00PM |
| Sunday | Closed |
| Monday | 7:30AM - 5:00PM |
| Tuesday | 7:30AM - 5:00PM |
| Wednesday | 7:30AM - 5:00PM |
| Thursday | 7:30AM - 5:00PM |
| Friday | 7:30AM - 5:00PM |
| Saturday | 7:30AM - 12:30PM |
| Sunday | Closed |
| Monday | 7:30AM - 5:00PM |
| Tuesday | 7:30AM - 5:00PM |
| Wednesday | 7:30AM - 5:00PM |
| Thursday | 7:30AM - 5:00PM |
| Friday | 7:30AM - 5:00PM |
| Saturday | 7:30AM - 12:30PM |
| Sunday | Closed |
Local GMC Sales, Financing, Service & Parts
Wallingford GMC has served local drivers since 1914 from our dealership at 1122 Old North Colony Road in Wallingford, CT. For more than 110 years, neighbors from Wallingford, Southington, Middletown and surrounding Central Connecticut communities have turned to our team for new GMC trucks and SUVs, quality pre-owned vehicles, straightforward financing, trade-in support and certified GMC service.
Explore new GMC inventory for work, family travel, towing, everyday driving and electric performance. Popular choices include the GMC Sierra 1500, Sierra 2500 HD and 3500 HD, Canyon, Terrain, Acadia, Yukon, Yukon XL, Sierra EV and HUMMER EV.
Compare used cars, trucks and SUVs from GMC and other popular manufacturers. If you have a vehicle to trade, start with our online valuation tool, then let our team review its condition, mileage, equipment and current market demand.
Review purchase and lease options with a local financing team that can explain estimated payments, available programs and the documents needed to move forward. You can apply online, estimate a payment or explore current offers before visiting.
Our website is designed to help shoppers compare real inventory, advertised pricing, available offers and next steps before contacting the dealership. Read about our approach to straightforward pricing, meet the people who will assist you and see feedback from other customers.
Research your next GMC with practical information prepared for Wallingford and Central Connecticut drivers. Compare our current inventory approach, Sierra 1500 trims, GMC towing considerations, 2027 Terrain trims and the complete GMC SUV lineup before you visit.
Keep your GMC ready for Connecticut roads with routine maintenance, diagnostics and repairs from trained service professionals. Wallingford GMC offers online service scheduling, service specials and parts support for drivers throughout the Wallingford area.
Wallingford GMC is located at 1122 Old North Colony Road, Wallingford, CT 06492. Visit our hours and directions page before your trip.
Wallingford GMC has served local drivers since 1914, providing more than 110 years of automotive experience in the Wallingford community.
Our dealership serves customers from Wallingford, Southington, Middletown and surrounding communities throughout Central Connecticut.
Yes. Use the online trade valuation tool to provide basic vehicle information before arranging an in-person appraisal.
Yes. Start with the secure online finance application, or use the payment calculator to explore an estimated monthly payment.
Yes. Use the online service scheduler to request maintenance or repair assistance from the Wallingford GMC service team.
Whether you are comparing a GMC truck, choosing a three-row SUV, exploring an EV, valuing a trade or planning your next service visit, Wallingford GMC offers local assistance in one convenient Wallingford location. Contact Wallingford GMC or plan your visit.
