Service & Parts
Nobody Knows Your GMC Like We Do
From the wipers to the wheels, at GMCDemo1 of Derwood, the Certified Service experts know the exact needs of your GMCDemo1 car, truck, or SUV. Our GMC Certified Service experts are trained to know every inch of your vehicle and can help you keep it running with the performance you've come to expect from GMC.
Schedule Service
Schedule service and maintenance with our Certified Service experts today.
SCHEDULE SERVICEMulti-Point Vehicle Inspection*
Our GMC Certified Service technicians at GMCDemo1 will complete a comprehensive look into your vehicle's tires, wiper blades, fluid levels, brakes, battery and more to keep your vehicle running exceptionally.
LEARN MOREGM Genuine Parts & ACDelco Parts
At GMCDemo1 we're your one-stop shop for auto parts. Let us find the right part for your vehicle.
ORDER PARTSService Specials
$20 Battery Rebate
ACDelco Advantage or Professional Battery Rebate
Offer Expires 2/28/2026
Terms and conditions apply. New customers must apply via servicecardapply.com. See Kerndt GMC for details.
$20 Brake Pad Rebate
$20 Mail-in Rebate on GM OE brake pads
Offer Expires 2/28/2026
Terms and conditions apply. New customers must apply via servicecardapply.com. See Kerndt GMC for details.
Front-End Alignment
$54.95
Offer Expires 2/28/2026
Coupon valid at vehicle check-in. All pricing plus tax and shop supplies. See Kerndt GMC for details.
Oil Change Package
$59.95
Offer Expires 2/28/2026
Tire balancing, tax, and more than 6 quarts of oil extra. Excludes diesel engines. See Kerndt GMC for details.
Maintenance Special
$10 Off Every $100 Spent
Offer Expires 2/28/2026
Plus tax, if applicable. Present offer at time of service. Not valid on tires or oil changes. See Kerndt GMC for details.
Wiper Blade Rebate
$5 Mail-in Rebate
Offer Expires 2/28/2026
Terms and conditions apply. New customers must apply via servicecardapply.com. See Kerndt GMC for details.
7361 Calhoun Place, Derwood, MD 20855
FEATURED SERVICES
Multi-Point Vehicle Inspection*
Help keep your vehicle performing at its best with a thorough assessment of vehicle health indicators.
Oil Change
Regular oil changes are vital to your vehicle's function.
Tires
Roll down the road with confidence.
Brakes
For reliable stopping power, brake components must be monitored regularly.
Batteries
Power your next adventure with our latest batteries.
Additional Services
Find more services for your vehicle.
SCHEDULE CERTIFIED SERVICE NEAR YOU
Set up a time for our expert technicians to assess your vehicle.
Schedule Service