The 2024 GMC Sierra AT4X is getting an upgraded powerplant for the new model year. Where it once solely featured GM’s 6.2-liter V8 truck engine, it’s now set to offer Duramax diesel power as standard.

View post: 1969 Datsun 510 For Sale With Racing Homage Modifications Changes are afoot for the 2024 GMC Sierra 1500 lineup. The one ringing the biggest bells for the off-roading crowd is the engine ...

In a similar fashion to the Silverado 1500 ZR2 for the 2024 model year, the Sierra 1500 AT4X is getting a diesel engine in the form of the 3.0-liter Duramax. Optional in the ZR2, the inline-six turbo ...

Since its introduction in 2022, the off-road-focused GMC Sierra 1500 AT4X has exclusively employed GM’s familiar 6.2-liter gasoline V-8. The AT4X model is now getting a welcomed powertrain addition ...

My first drive in the 2025 GMC Sierra 2500 HD Denali Ultimate: a deep dive into its plush interior, tech features and ...

The most extreme version of the Sierra 1500, the off-road-capable AT4X trim, will now be offered with a fuel-sipping 3.0-liter Duramax diesel engine. The torquey unit will come as standard on the 2024 ...

The 2023 GMC Sierra 1500 will introduce a few updates and changes over the fully refreshed 2022 model year, dropping in as the fourth model year for the latest fourth-generation pickup. Critically, GM ...

The Environmental Protection Agency has yet to release its official highway, city and combined fuel economy ratings for the 2020 GMC Sierra 2500HD with the 6.6-liter L5P Duramax diesel V8 engine, but ...

During our first drive of the 2020 Chevrolet Silverado 1500 with the Duramax 3.0-liter diesel, our fuel economy results were astonishing after a 30-mile test loop being driven for maximum mileage: ...

Last year, we found a lot to like about the 2019 GMC Sierra 1500 AT4. Equipped with a brawny 6.2L V-8 and 10-speed automatic, it featured excellent styling, Olympic-sprinter reflexes, and a cushy ...

Today's auto news headlines read like a warped version of Oprah Winfrey's infamous car giveaway: "You're getting sued for excess diesel emissions! And you're getting sued for excess diesel emissions!

GMC has had a busy year, between the 2019 Sierra 1500's arrival in showrooms late last year and the debut of the 2020 Sierra HD this summer. Yet in the midst of all those massively important launches, ...