GMC Sierra 2500HD
The Sierra HD benefits from the same type of enhancements as the Silverado HD. The 6.6-litre Duramax turbo-diesel engine gets a boost to 470 horsepower, while the 401-horsepower 6.6-litre gasoline V8 is now mated to a 10-speed Allison automatic transmission. The cabin has also been revised for 2024, with the dashboard now incorporating a 13.4-inch touchscreen. The new Sierra HD AT4X model provides increased off-road capability with DSSV shocks from acclaimed Canadian company Multimatic.
Tests and Features
All GMC Sierra 2500HD reviewsTest Drives2024 GMC Canyon AT4X and Sierra HD AT4X AEV: Solid as the Rockies
Did you catch our review of Chevrolet’s new ZR2 lineup ? A few weeks ago, we had the opportunity to put the latest and most rugged Colorado and Silverado models to the test in Palm Springs, California, which proved to be an enlightening experience. Not to be outdone, GMC held …
First Drives2020 GMC Sierra HD: Towing the Competition
JACKSON HOLE, Wyoming— The heavy-duty pickup segment has become so competitive that the latest product on the market automatically becomes the king of the hill. This year has been a historic one. It all started with the 2019 Ram Heavy Duty and its 1,000 pound-feet of torque. Then, Ford made …
Spotlight on2019 GMC Sierra HD: We're Heading to Wyoming for a First Drive
The Car Guide is heading to the small town of Jackson Hole, Wyoming, for a first drive of the all-new 2019 GMC Sierra HD. This year is a big one for American heavy-duty pickups as many of them get a complete redesign and some massive capabilities. On one hand, there's …
News
All GMC Sierra 2500HD newsNewsBrand New GM Full-Size Trucks Sold With Cracked Roof Panels
It’s not uncommon for new vehicles to suffer from various bugs and quality issues, but the recent case involving GM’s full-size pickups is still rather alarming. In the U.S., the automaker was forced to stop sales and recall some 3,000 units of the 2024 Chevrolet Silverado and GMC Sierra (including …
RecallsGM Recalls 163,000 SUVs and Pickups With Faulty Headlights in Canada
General Motors this week announced a recall affecting large SUVs and pickups in Canada. The problem is nothing too serious, but the number of units involved certainly is. We’re talking about 163,611 vehicles overall. Essentially, the automatic headlamps may not turn on soon enough as it becomes dark outside. Canadian …
NewsChip Shortage Improving, But Now There’s a Rail Car Shortage
We don’t write about it very much because, well, we hate to bring you down, but supply chain disruptions continue to affect car production and deliveries globally. Chief among them is still the ongoing chip shortage. You know, these precious electronic components that run a myriad of systems in modern …
News2024 GMC Sierra HD AT4X: 18,500 Pound Off-Road Towing Capacity
The Chevrolet Silverado HD ZR2 was presented to the public last April. Now it's GMC's turn to unveil its off-road heavy-duty hauler, the 2024 Sierra HD AT4X. Like the Sierra 1500 AT4X and Canyon AT4X, it's full of off-road bits, and according to Duncan Aldred, global vice president of Buick …
News2024 GMC Sierra HD Gets Big Update, Two New Trims Including AT4X
Just a few days after the introduction of the refreshed and upgraded 2024 Chevrolet Silverado HD (not to mention the 2023 Ford Super Duty and Ram 2500 Rebel ), its GMC sibling is showing up with similar improvements. The 2024 Sierra HD will start to arrive in Canadian dealerships early …
NewsChip Shortage Prompts GM to Delete Heated Seats and Steering Wheels
UPDATED 11/222021--GM has changed course and now says that dealers will be able to retrofit heated and ventilated seats in mid-2022, at GM's expense. It will discount vehicles missing heated or ventilated seats by $50. However, heated steering wheels cannot be retrofitted, so vehicles missing that feature will still be …
NewsGM Moving Fast to Clear Backlog of Pickups Amid Chip Shortage
The ongoing chip shortage continues to drastically limit vehicle production. North American assembly plants cut an estimated 26,000 more vehicles from their production plans last week, down from 84,000 the week before but over six times more than the 4,000 units that weren’t built in the first full week of …
RecallsSeveral GM Heavy-Duty Pickups Once Again Recalled Over Fire Risk
General Motors has announced a recall on some of its heavy-duty pickups because a problem with the engine-block heater cable or the terminals that connect the heater cable to the block heater could cause a short circuit, increasing the risk of a fire. Affected models include the Chevrolet Silverado 2500HD …
Videos
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EpisodesMotoring TV 2000 Episode 19
Honda Insight 2001 Nissan Sentra GXE brake self-check GMC Terradyne concept Jim Kenzie on the Honda Insight.
Motoring TVReview: 2017 GMC Acadia
Graeme says the previous Acadia was left withering on the vine for too long. This week he gets a chance to sample the new generation. For more stories about the 2017 GMC Acadia, hit the link - http://www.guideautoweb.com/en/makes/gmc/acadia/2017/ (This segment originally aired on Motoring TV 2017 Episode #8) …