Ask Your Service Advisor About GM Simplified Service Program on New GM Vehicles.

Portsmouth Chevrolet's team of technicians--including GM trained, ASE certified, and master technicians--are here to address your service needs. Whether you need a battery, oil change, tune-up, muffler exhaust repair, car brake repair, transmission replacement, wheel alignment, shock or strut replacement, air conditioning maintenance or engine management service, we're here to assist. 

Scheduled maintenance is the most important component to keeping an auto in prime condition. Our certified car repair specialists are here to keep your vehicle in top shape. We want to share the value the preventative maintenance with you so you don't get stuck down the road. We can also provide vehicle inspections or car emissions tests.

All our work comes with a Price Match Guarantee. Call us or click here to schedule your service appointment online.

Authorized Service Provider for Saturns

Portsmouth Chevrolet is an authorized service provider for Saturns. We can provide preventative maintenance and full repair on all Saturn makes and models. Call 603 436 5010 to schedule an appointment or book one online.

Schedule Your Service Appointment Online!

Portsmouth Chevrolet now lets you schedule your service appointment online! Select a service, select a date and time, and your appointment is booked. We're proud to offer this convenient feature to our customers. Click here to begin.

Factory Training

Portsmouth Chevrolet's team of factory-trained and certified technicians are here to address all your service needs.  Regular maintenance is important to the health and safety of your vehicle.  At Portsmouth Chevy, we have the Seacoast's top trained techs ready to handle all your maintenance and repair needs. With our price match guarantee Portsmouth Chevy WILL NOT be undersold!

Transmission Experts

Portsmouth Chevrolet specializes in transmission repair. We have a master certified technician for all makes and models. All transmission work comes with our price match guarantee; guaranteeing you the best price on our high quality work.

GM Simplified Service Program for New GM Vehicles

Maintenance I

Use Maintenance I if the CHANGE ENGINE OIL SOON message comes on within 10 months since the vehicle was purchased or Maintenance II was performed.

Maintenance II

Use Maintenance II if the previous service performed was Maintenance I.  Always use Maintenance II whenever the message comes on 10 months or more since the last service or if the message has not come on at all for one year.

Ask your Service Advisor for complete details.


Your privacy is important to us.

Portsmouth Chevrolet takes your privacy seriously and does not rent or sell your personal information to third parties without your consent. Read our privacy policy.

Service Dept. Hours

  • Monday 7:30 am - 6:00 pm
  • Tuesday 7:30 am - 6:00 pm
  • Wednesday 7:30 am - 6:00 pm
  • Thursday 7:30 am - 6:00 pm
  • Friday 7:30 am - 6:00 pm
  • Saturday Closed
  • Sunday Closed