Using the myGMC Smartphone App

December 1st, 2024 by
The Versatile myGMC App For All Customers To Enjoy

If you are old enough to remember slipping your bomber jacket over your plaid flannel shirt and perhaps the Beanie Babies craze, then you have likely had several decades of driving vehicles that had nothing to do with your cellphone—and likely did just fine. However, there are always ways to improve things, and for GMC…

How Large an RV Can Your Vehicle Tow?

September 20th, 2024 by
2016 GMC Yukon XL Denali Towing a Trailer

Determining the maximum weight your vehicle can tow is more complex than it immediately seems. However, it is important to understand the details because towing beyond your vehicle’s capability can damage your vehicle, the trailer, or both. It is likely to cause you considerable stress on the road and possibly pose a threat to others…

What Are The Best Tires for Towing – Chevrolet Silverado 1500 and GMC Sierra 1500

August 27th, 2024 by
2023 GMC Sierra tire off road

If you tow a lot, you may be riding on tires that may not take the weight.  Tires are an important part of your Chevrolet Silverado 1500 and GMC Sierra 1500. Not only will they keep you on the road, but they also ensure that you are able to do the tasks you ask your…

Proper Maintenance For Keeping Your 6.6 Duramax Truck In Top Shape

June 15th, 2024 by
DuraMax Diesel Truck Lineup

The most powerful engine in the GMC model line is the 6.6-liter Duramax turbo-diesel. The brand’s hardest-working engine produces 470 horsepower and an incredible 975 lb-ft of torque at a very accessible 1,700 rpm. You will find it available on the Sierra 1500 through the 2500 and 3500 HD models, as well as on GMC’s…

The Suburban is for Unlimited Road Trips

June 5th, 2024 by
Chevrolet Suburban Diesel

There are big families and big family activities. Separate or combined, they can involve many people and cargo. Activities of the floating, live-in, or motorsports kind can also involve towing. You would be hard-pressed to find any vehicle better suited for this than a Chevrolet Suburban, particularly with the available Duramax 3.0-liter turbo diesel engine….

Top Tips To Keep Your Air Conditioning Cold For Summer

May 20th, 2024 by
Front 3/4 view of 2024 Chevrolet Trailblazer ACTIV in Copper Harbor Metallic parked on a rock bank in front of a lake. Preproduction model shown. Actual production model may vary. Available in fall 2023.

Summer is coming, and no one is predicting a cool one. Few things can ruin a summer road trip more than an air conditioning system that isn’t quite up to the job. The Dieffenbach GM Superstore offers these operating and maintenance tips to keep your air conditioning system in top shape. Open Your Windows Upon…

What Are The Different Extended Warranties You Can Purchase?

March 10th, 2024 by
Chevrolet Extended Limited Warranty

Buying a new or used vehicle is exciting, but buyers need to be aware of reliability. No matter how great a car is or even how reliable it has been for other people, things happen. Some vehicles are better than others, and things can go wrong. This is why car manufacturers give you a standard…

GM Brands Rank High in J.D. Power CSI Study

June 26th, 2023 by
J.D.Power Award

All GM brands ranked very well in the recently published J.D. Power 2023 U.S. Customer Service Index (CSI) Study.  Focusing specifically on the non-luxury brands carried by the Dieffenbach GM Superstore, the industry average was 846 out of a 1000-point scale.  Buick finished highest of the GM brands and 3rd overall with a score of…

Selecting the Right Oil for Your Vehicle: Synthetic vs. Conventional

May 25th, 2023 by

Choosing the correct oil is crucial for the proper functioning and longevity of your engine. When it comes to getting an oil change, you have two options: synthetic and conventional oil. At Dieffenbach, we understand that regular car maintenance leads to a better driving experience and a longer lifespan for your vehicle. Let’s take a…

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…

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