ALG Residual Value Awards Go to Chevrolet Trax & Corvette

January 9th, 2024 by
GMC sierra 3500 dually New 2024 GMC Seirra dually on road

On November 16th, J.D. Power revealed its 2024 U.S. ALG Residual Value Awards. The study predicts the resale value of US-sold cars and trucks and then announces the models with the best expected residual value after three years in each of 28 categories. Dieffenbach is happy to announce that Chevrolet had two winners on the…

What Are The Highlights And Advantages Of The Elevation Package

October 27th, 2023 by
2024 GMC Sierra Elevation

The GMC Sierra is a tough truck with great looks and superb luxury. When choosing between the various trims, the Elevation trim stands out more than the others. According to, it is the most popular trim level of the GMC Sierra 1500. It’s not surprising when you learn that it has excellent engines, the…

Rave Reviews For The 2024 GMC Yukon Denali

October 11th, 2023 by
2024 GMC Yukon Denali Ultimate

The Cadillac Escalade is perceived as the pinnacle of American luxury SUVs. However, the GMC Yukon brings the Escalade luxury experience for a slightly lower price with better exterior styling, and a less pretentious badge on the hood. Recently, General Motors recently released a new Yukon Denali Ultimate that edges even closer to the Escalade’s…

Posted in GMC, New Vehicles

Why Buy Used From the Dieffenbach GM Superstore?

October 9th, 2023 by
Why Buy from Dieffenbach GM Superstore

Is the best way to purchase a used car through a computer screen? Unlike a book, home decoration, or even a pair of shoes, a car is far more complex and involves many more considerations. It is even more complex than a new car since the condition is such a major factor. Dieffenbach explores the…

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…


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