High mileage on a 6.6 Duramax is less about a single scary number on the odometer and more about how that number lines up ...

Sadly, the Colorado Duramax got demerits for being more expensive to fuel and service over a gas truck, but the publication concluded that the extra cost was worth it for the better drivability and ...

Forbes contributors publish independent expert analyses and insights. Michael Teo Van Runkle is a journalist who covers the auto industry. For the past two years, the Silverado ZR2 pickup truck served ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

GM has finally shoehorned the Duramax 6600 in the 2006 Chevrolet Express and GMC Savana heavy-duty van offerings. It not only improves power (250 hp/460 lb.-ft) but is estimated to improve gas mileage ...