Secure Your Drive: OnStar’s Cutting-Edge Safety Advancements

August 19th, 2023 by
OnStar RearView Mirror Blue Button

At Dieffenbach Chevrolet Buick GMC Inc., we place your safety above all else. We’re thrilled to introduce you to OnStar’s expanded member services, coupled with the innovative Guardian App, setting new standards for security, convenience, and peace of mind that extends beyond the road. Empowering Safety with the Guardian App Picture having an unwavering guardian…

When To Use a Weight Distribution Hitch

August 9th, 2023 by

The most obvious sign of someone not towing correctly is when both the tow vehicle and trailer sag at the hitch. It is as unsafe as it is unsightly. The downward force on the rear of the vehicle reduces the downward force on the front, reducing both steering traction and front brake effectiveness. Meanwhile, the…

2024 Sierra 1500 AT4X Will Have Duramax Turbo-Diesel as Standard Engine

June 26th, 2023 by

GMC announces a big change for the off-road-focused Sierra 1500 AT4X. All 2024 AT4X models will have the powerful second-generation 3.0-liter Duramax Turbo-Diesel  inline-6 as its standard engine. Replacing the current 6.2-liter EcoTec3 V8, the Duramax produces 305 horsepower, with maximum torque of 495 lb-ft. The 10-speed automatic transmission will remain as the standard transmission….

Heavy Duty Gets Extreme with New AEV Edition GMC Sierra

June 19th, 2023 by
GMC Sierra AEV Edition in Front of Mountains

It’s the best of both worlds: the first-ever GMC Sierra AT4X AEV Edition is on its way to Rockingham! GMC recently announced their collaboration with American Expedition Vehicles to release a special-edition Sierra truck that combines power, performance, and technology in one package. The all-new AEV Edition combines the heavy-duty towing capabilities of the Sierra…

Get Your Truck Ready for Spring

May 6th, 2023 by
Chevrolet Tires on Silverado

Here at Dieffenbach Chevrolet Buick GMC, we understand the importance of truck maintenance and how it is crucial for ensuring the safety and reliability of commercial vehicles. Regular maintenance checks can help prevent breakdowns and reduce the risk of accidents on the road. Proper maintenance also helps to extend the lifespan of the vehicle, saving…

GMC Sierra 1500 Earns J.D. Power’s Top Quality Rating for Light-Duty Full-Size Trucks

April 19th, 2023 by
GMC Sierra 1500 earns top quality rating from J.D. Power

The GMC Sierra 1500 models have a great many things going for them.  They look good, have a great interior, can be a star off-road, and offer a great many user conveniences. But GMC never forgets that a pickup truck is a tool, and the two most important qualities of a tool are effectiveness and…

The 2024 GMC Sierra HD Configurator is Live

March 14th, 2023 by
Black 2024 GMC Sierra HD

Build your own 2024 GMC Sierra HD GMC unveiled the 2024 GMC Sierra HD last fall. The revised trim levels, clean stylings, updated powertrain, and many more features are giving consumers plenty of reasons to be excited. With so many trims, colors, and features to choose from, consumers will be able to find the perfect…

Posted in GMC, Informative

The Importance of Tire Maintenance and Service in North Carolina

February 23rd, 2023 by

Several years ago, the Pirelli tire company had a print advertisement showing Olympic Running Gold Medalist Carl Lewis, crouched at the starting block – wearing high heels. The implication was clear. No matter how well your car is designed to perform, it is all for naught without good tires. The reasoning is simple, your tires…

GMC Yukon XL Ranks High in Reliability and Longevity

January 25th, 2023 by
Red 2021 GMC Yukon XL Denali Parked

We’d all love for the things we buy to last forever, but unfortunately that isn’t our reality. Even buying items made to last seems to be rare. However, some things truly are made to stand the tests of time, and one of those is the GMC Yukon XL. With high reliability ratings and a life…

Posted in GMC, Informative

2022 GMC Hummer EV Pickup 

October 30th, 2022 by

2022 marks a new era for Hummer, a distinctive macho machine making a giant leap from gas to an EV creation called GMC Hummer EV Pickup. With a powerful 1,000 hp, a range of more than 350 miles and a host of tech features, it’s a powerful vehicle for North Carolina roads.  Impressive, Both Exterior…

Posted in GMC


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