Service You Can Trust

When you bring your vehicle into Competition INFINITI of Smithtown, you can be certain your INFINITI is in good hands. With expertly trained technicians, no one knows your INFINITI better than we do. We also offer genuine INFINITI parts. These are the only parts specifically designed to optimize the performance of your vehicle. From routine maintenance to repair, we are here to care for your INFINITI throughout your ownership experience in Islip.



Please don't hesitate to direct your service questions to us! Fill out the simple form below and our technicians will get back to you.
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INFINITI Service & Parts Team

Trusted Service Professionals
Our distinguished Service Department is here to provide an exceptional experience. With expertly trained technicians, no one in the Nesconset and Lake Grove area know your INFINITI better than we do, ensuring your INFINITI is always in good hands. We also have an excellent staff of Service Advisors and other Service support staff that will ensure you have the best experience possible servicing your INFINITI.

Genuine INFINITI Parts & Accessories
Our knowledgeable Parts Department at Competition INFINITI of Smithtown can help you with replacement parts or new accessories to personalize your INFINITI. We carry only genuine INFINITI parts. Competition INFINITI of Smithtown’s Parts Department keeps a wide array of parts in stock, but should we not have the part you need in stock we would be more than happy to order it for you.

About Us

When it comes to your INFINITI, no one knows it better than our expert technicians at Competition INFINITI of Smithtown. Our extensive experience and advanced diagnostic tools allow us to provide the best possible service.

When you bring your vehicle to us for service, count on our team of factory trained and certified technicians to provide you with superior quality service using only OEM parts. We also offer a wide range of service and repair specials.

Our INFINITI service department is here to help keep your vehicle running smoothly. From basic oil changes to complete tune ups and brakes, our team of factory trained technicians know your vehicle inside and out.

Many services are also offered through Express Service, which features the fastest and highest quality service on INFINITI vehicles possible near Hauppauge, NY. Whether you need an oil change on your INFINITI Q50, or a Tire Rotation on your INFINITI QX30, INFINITI Express Service will get you in and out of our Service Center in no time. This is just one of the many benefits of servicing your INFINITI through Competition INFINITI of Smithtown. Contact us today with any questions you may have about servicing your INFINITI, or go ahead and schedule your next appointment with Competition INFINITI of Smithtown and visit our Service Center located conveniently near St. James and Ronkonkoma.

INFINITI Service Amenities

At Competition INFINITI of Smithtown, you experience only the best in all aspects. Our INFINITI Service Center near Nesconset, NY provides exceptional service to both you, and your vehicle. With genuine INFINITI parts through our Parts Department, and Certified INFINITI technicians working on your vehicle, you can ensure your beloved INFINITI is getting the best care possible with all maintenance and repairs. At Competition INFINITI of Smithtown, you are treated like a VIP with great amenities and perks for your convenience, such as:


-An expansive fleet of INFINITI Loaner Vehicles

Available Shuttle Service

Pick Up & Drop-Off Service At Home Available By Appointment

Early Bird Drop-Off

Late Night Pickup

Knowledgeable Service Advisors

Friendly Staff

Qualified INFINITI Service Technicians

Indoor Service Drive

Complimentary Multi-Point Inspection

Complimentary Car Wash with Service or Repair

Luxurious Customer Lounge with Complimentary WiFi & TVs.

-Extended Service Hours, Including Saturday Service!

Genuine INFINITI Parts 


Exceptional Service from our Expert Technicians 

Competition INFINITI believes that nothing should stand in the way of you maximizing your driving experience. With exciting new vehicles like the 2023 INFINITI Q50, 2022 INFINITI Q60, 2023 INFINITI QX50, 2023 INFINITI QX55, 2024 INFINITI QX60, the 2023 and 2024 INFINITI QX80, Competition INFINITI has the perfect vehicle for you! With our amazing Service Department, our Factory Trained Technicians know your INFINITI better than anyone else and are eager to help you get back on the road. The Competition INFINITI of Smithtown Service Center offers a variety of services on new and pre-owned vehicles such as oil changes, filter replacements, wheel alignments, tire rotations, coolant flush, electrical repair, brake pad repair, steering repair, and so much more.

Visit Competition INFINITI of Smithtown on 587 Middle Country Road in Saint James today to speak with a highly trained Service Advisor. Competition INFINITI of Smithtown is  located near the Smith Haven Mall in Lake Grove, NY and about 15 minutes away from Stony Brook University and 20 minutes from MacArthur Airport! Be sure to stay up to date on our Service Specials and Part Specials. Call us today at 631-237-0139 or schedule an appointment online.   

Competition INFINITI of Smithtown is located at: 587 Middle Country Rd • St James, NY 11780
Competition INFINITI of Smithtown 40.8608728, -73.157779.