Certified Service



You expect an unmatched level of excellence from your driving experience. Why expect less from your service experience? Your Certified Service experts at Terra Nova GMC Buick in St. John's are trained to understand exactly what your Buick or GMC vehicle needs. Experience the best service in Newfoundland And Labrador with us!

Get the best possible service in St. John's from the experts! Certified Technicians know your vehicle inside and out and are specifically trained to service Chevrolet, Buick, GMC and Cadillac vehicles using a wide variety of parts to suit any budget from ACDelco to original equipment and OEM parts. Request a quote or schedule a service appointment today to receive "Expert Service at Competitive Prices".

Terra Nova GMC Buick offers express service in St. John's for everyday maintenance such as oil changes, battery replacement, and new wiper blades. We also offer shuttles to home or work, as well as updated, comfortable waiting lounges and the opportunity to check out the latest vehicles. If you're looking for competitive prices, convenience, and expertise in St. John's, our dealership is here for you and your repairs. If you're in the Mount Pearl or Conception Bay South areas or beyond, you can schedule your service appointment today at Terra Nova GMC Buick!




With thousands of hours of training each year, our Certified Service technicians are equipped and prepared to address any concern you may have about your vehicle. Using clear, easy-to-understand terminology, your Service Consultant will walk you through the recommended service for your vehicle. That way you know exactly what’s going on with your vehicle, allowing you to make informed decisions.



Tires affect just how well you grip the road, and in areas like Newfoundland And Labrador, the roads aren't always easy to drive if you don't have the right tires. Our Tire Finder tool makes it quick and easy to find tires for any vehicle and any condition. Click the drop-down menus to select your vehicle information and navigate your search. Once you've selected your new tires, the GMC, Buick Certified Service expert technicians can handle all of your tire replacement needs at your scheduled appointment at our St. John's service center.



You depend on your vehicle to help drive your achievements. Your engine depends on the oil that flows through it to help prolong its life. Getting regular oil changes in St. John's is important, and the routine maintenance that your GMC, Buick Certified Service experts can help increase your vehicle's lifespan exponentially. At our St. John's service center, we use only the highest quality oil, and perform all oil changes with the reliability and knowledge it takes to get the job done right.



The ability to move ahead effectively requires the ability to stop efficiently. The same is true on the road-exceptional performance requires excellent braking. When you need brake service in the St. John's and Mount Pearl areas, your GMC, Buick Certified Service expert technicians at Terra Nova GMC Buick can help. We can help find and recommend quality new brakes for your vehicle, so you can utilize every stop and every turn to further your pursuit.

quality parts


Your GMC, Buick is more than a vehicle - it's an innovatively designed, technologically advanced machine. Using high-quality auto parts that are specifically crafted and tested for your GMC, Buick will help keep it running as beautifully as the day you drove it home. If you're looking for the highest quality parts at the best prices in Newfoundland And Labrador, visit our St. John's dealership today or visit our parts order form below.


We value your time, so we make it easy to schedule any service your vehicle may need. Schedule a service below.


mobile app


The myChevrolet®, myBuick®, myGMC® and myCadillac® mobile apps1 connect you to your vehicle like never before! Check estimated tire pressure, oil life and fuel level, plus you have the ability to book service appointments on the go, and so much more. You can remotely control your vehicle right from your smartphone, turning the engine on or off (if equipped). Available on the App Store® and Google PlayTM or text “Chevrolet”, “Buick”, “myGMC” or “Cadillac” to 56000. Some of these features require a paid plan.

1 Available on select Apple and Android devices. Service availability, features and functionality are subject to limitations and vary by model and/or vehicle configuration, device and the plan in which you are enrolled. Device data connection required. Visit onstar.ca for more details. 2 Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a trademark of Apple Inc., registered in the U.S. and other countries. 3 Google, Google Assistant, Android, Google Play, Android Auto and other related marks and logos are trademarks of Google LLC. Use of these trademarks is subject to Google Permissions.

vehicle app


Schedule a service from the convenience of your vehicle driver’s seat. As a registered owner, you can book an appointment from your compatible vehicle’s infotainment screen. Ask your Service Advisor for more details.

4 App functionality and feature availability vary with vehicle equipment and trim level. Data connection may be required and data charges may apply. Requires an active service plan and working electrical system. Terms and limitations apply. Visit onstar.ca for more details.

owner centre


Every month, your vehicle (if equipped) can run a thorough check of its engine, transmission, antilock brakes and more, and email you the results in an easy-to-read report. You can view this information—and much more—on the Vehicle Diagnostics section of your Owner Centre account. Log in to manage your vehicle’s maintenance records. As your preferred dealer, we can also be notified when routine service is due and contact you to schedule an appointment (enrollment required).

5 Capabilities vary by model and/or vehicle configuration and service plan, may require the purchase of factory installed equipment and/or may not be available on select models. Visit onstar.ca for vehicle availability. Message and data rates may apply. Requires active service, email address on file and enrollment in Vehicle Diagnostics. Not all issues will deliver alerts. On-Demand Diagnostics requires a paid service plan.


Are you searching for a Buick and GMC service and repair centre in St. John's near Mount Pearl? Terra Nova GMC Buick is the best place to begin your search! Our GM-certified experts have been factory-trained to work on your vehicle. Our St. John's Buick and GMC service department near Conception Bay South has GM-approved auto parts used on your car, truck, or SUV. You can also use our website to schedule your appointment online. Our St. John's Buick and GMC service centre is here to help with your auto needs. Whether your car has a bad transmission, a leak engine or just a standard tune-up, we are sure to fix it for you. Call or visit our Buick and GMC service centre in St. John's near Conception Bay South & Mount Pearl for all your automotive needs today!