By on June 4, 2020

All-new for 2020, the heavy-duty versions of Chevrolet’s Silverado and GMC’s Sierra arrived with front-end styling just as controversial as that of their light-duty siblings. Pricier, more potent (in gas V8 form), more capable, and boasting more gears, the new HDs made it easy for buyers to spend ever more bundles of cash outfitting them to just the right spec.

It seems the customization has only just begun. (Read More…)

By on March 23, 2020

2020 Chevrolet Silverado HD

General Motors’ revamped 2020 Chevrolet Silverado and GMC Sierra HD pickups are striking in appearance, but some buyers might be more enamored with the new 6.6-liter gas V8 under the hood. It’s a selling point, but it’s not something you want the truck showing off an inopportune times.

Like, say, when driving down the highway.

The possibility of unexpected underhood peep shows for the occupants of passing school buses are what prompted the National Highway Traffic Safety Administration to issue a recall. (Read More…)

By on May 25, 2017

2015 Chevrolet Silverado 2500 HD LTZ crew cab pickup

Suing automakers over diesel emissions violations is quickly on its way to becoming passé.

Since Volkswagen admitted to installing software that circumvented pollution laws, regulators have been on the hunt for their next big target. While it might make their efforts seem like a bit of a witch hunt, there’s good reason to be on the lookout. Studies have shown diesel emission levels are often much higher than analysts expected, with experts attributing the results to the high probability that other automakers are skirting regulatory guidelines — likely by way of defeat devices.

Daimler, Renault, and PSA Group are all being investigated in their home countries as FCA faces legal action within the United States.

General Motors is now being sued for allegedly installing defeat devices in its trucks to sidestep emissions tests, making it the sixth major manufacturer accused of diesel cheating since 2015. However, General Motors isn’t dabbling in gray areas, acting confused, or assuring the public it will get to the bottom of the accusations. It says the claims against it are flat out wrong.  (Read More…)

By on October 7, 2016

2017 Chevrolet Silverado HD, Image: © 2016 Matthew Guy/The Truth About Cars

At the end of September, some of my auto journo colleagues busied themselves with the French delights of Paris, covering new reveals at the Paris Auto Show.

Me? I was somewhere much more in line with my personality, surrounded by heavy-duty trucks at the 1.5-mile Texas Motor Speedway. With both Ford and Ram cresting the 900 lb-ft of torque mark, the General needed to play catch-up.

Enter Chevy’s new 6.6-liter Duramax Diesel.

(Read More…)

By on June 3, 2016

2017 chevrolet silverado 2500HD

You remember the hood scoop on that teased 2017 GMC Sierra 2500HD? The one General Motors really wanted you to notice?

Well, GM spilled the beans on the mystery inlet, explaining that all of its diesel-powered 2017 heavy-duty pickups will receive the scoop to force-feed air into the 6.6-liter Duramax engine. (Read More…)

By on April 18, 2012

Compressed natural gas may cost the equivalent of $1.89 per gallon of gasoline, but retrofitting your GMC Sierra or Chevrolet Silverado will cost you $11,000 – and GM still think it will save you money.

(Read More…)

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