3.0-Liter Duramax Diesel Is Now Optional Across Entire 2025 GMC Yukon Lineup

January 20th, 2025 by
2025 GMC Yukon Denali Ultimate Black and Gray

The GMC Yukon has always been the go-to family vehicle for those who like to live large. But, did you know that it has a secret power source that not only puts down the power and tows like no other vehicle, but is also the most efficient driveline in its segment? For the updated 2025…

Impressing an Automotive Journalist with a 2024 GMC Hummer EV SUV

January 15th, 2025 by
The Dreamy 2024 GMC Hummer EV SUV, Parked By Water With A Expansive Bridge In View

Sometimes it is hard to impress automotive journalists. They are hardened critics when it comes to the best vehicles sold around here. Some of them could be so skeptical that even the most impressive vehicle is not good enough.    It may come as a surprise to some that a Detroit Free Press journalist became quite…

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…

Car and Driver Takes the Canyon AT4X AEV To the Limit

October 1st, 2024 by
A Grey 2024 GMC Canyon AT4X AEV Speeding Up A Hill

A truck is becoming one of the most fundamental vehicles you must own. However, some buyers just don’t want or need a pickup as large as a Sierra 1500, which means the GMC Canyon is the best answer. It is also one of the finest trucks on the market today that can tackle literally any…

GMC Reveals the Redesigned 2025 Terrain

September 10th, 2024 by
Black 2025 GMC Terrain two-tone roof parked on gravel

GMC has revealed the redesigned 2025 Terrain to the public. The model promises more space, technology, and safety features. The Dieffenbach GM Superstore offers everything currently known about the new Terrain compact crossover. New Exterior One look at the new Terrain shows that its design has been inspired by GMC’s famed truck line. The design…

SlashGear Highlights Four Features on the Refreshed 2025 Suburban

September 5th, 2024 by
Black 2025 Chevrolet Suburban High Country front view in motion

The SlashGear website covered Chevrolet from both ends of the SUV spectrum in early August. One review focused on the entry-level Trax, and another on Chevrolet’s biggest product, the refreshed 2025 Suburban. They concentrated on four features that struck them about the large SUV model’s mid-cycle refresh, and Dieffenbach GM Superstore passes on what they…

Autoblog LOVES The New 2024 Chevy Colorado

May 1st, 2024 by
2024 Chevrolet Colorado Trail Boss Side View

Chevrolet is known for its trucks, as it is one of the oldest pickup truck brands in the world. Having brought their first pickup truck to market in 1933, they revolutionized the pickup market by offering smooth sides with no fender flares, a standard feature up until that point. They went even further by offering…

The Colorado Trail Boss Is a Viable ZR2 Alternative

April 5th, 2024 by
New Chevrolet Colorado Trail Boss Off Road

The Colorado ZR2 gets a lot of attention as the model line’s off-road hero and flagship model with a starting price of $48,295. If you don’t have enough time to play in the dirt to justify that kind of money but still want an off-road capable truck, Dieffenbach GM suggests you look at the mid-grade…

Comparing the Chevrolet Trax and Honda HR-V

April 1st, 2024 by
2024 Chevrolet Trax Front Side View

The 2024 Trax is one of the most recent additions to the Dieffenbach GM Superstore. Its redesign is so thorough it has essentially no resemblance to its predecessor. Fully adopting Chevrolet’s current design language, the new model is stylish inside and out and offers a solid package of standard and available features. Dieffenbach is proud…

2023 Equinox Receives Top Honor in Cars.com Car Seat Fit Report Card

October 9th, 2023 by
2023 Chevy Equinox

All automakers are mandated to have provisions for child car seats in their interiors, so it is easy to assume that working with child seats in all cars is the same. But that isn’t the case. Automakers have freedom in executing the mandate, and the result is that some are much easier on parents than…

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