GM Increasing Heavy Truck Production Despite Rising Fuel Prices

Michael Strong
by Michael Strong

Rising gas and diesel prices haven’t slaked the thirst for General Motors’ heavy-duty pickups, forcing the company to increase production of its Chevrolet Silverado and GMC Sierra HD trucks.


Beginning in June, GM plans to shift production, already at three shifts in the Flint Assembly Plant in Michigan, to five days to six days a week, according to  a report by the Wall Street Journal. The plant currently builds about 1,100 of the 2500 and 3500 versions of the Chevy and GMC full-size trucks daily.

The company does build those trucks at its Oshawa Assembly Plant in Ontario, Canada, but tariffs on those trucks makes it cost prohibitive to build them there versus paying overtime at the Flint plant. GM told the WSJ the increased production in Flint isn’t pulling any from Oshawa.

GM officials said the reason for the production increase is simple: to meet demand. The automaker’s happy to churn out more heavy-duty trucks because they are highly profitable.

The war with Iran has caused gas and diesel prices to jump significantly. The average price of gas is now $3.95 per gallon, having risen 2.4 cents in the last week. However, according to GasBuddy.com, it’s risen 97.9 cents during the past month, and 83.8 cents from a year ago at this time.

Diesel prices are up too with the national average price of diesel rising 14.3 cents in the last week, to $5.369 per gallon, the highest level since July 27, 2022.

“Gasoline and diesel prices continue to climb to multi-year highs as the effective closure of the Strait of Hormuz curtails the flow of millions of barrels of crude oil each day,” said Patrick De Haan, head of petroleum analysis at GasBuddy. 

“The situation remains highly volatile and unpredictable, but upward pressure on fuel prices is likely to persist as long as global oil supplies are constrained by the continued disruption in the Strait. We’re likely to see the national average for gasoline push beyond the $4-per-gallon mark, while diesel could approach $6 per gallon and potentially set new records if conditions fail to improve. 

“Americans have already spent nearly $8 billion more on gasoline over the past month, a trend that poses growing risks to the broader economy, while surging diesel prices may begin to reaccelerate inflation.”


[Images: GM]


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Michael Strong
Michael Strong

Michael Strong has spent more than 25 years writing about the automotive industry. A Detroit-area native, he’s written about everything from local car shows to product reviews to financial news. Currently he writes and edits for a variety of national and local publications. He’s also a longtime member of the Automotive Press Association and the International Motor Press Association, and a graduate of Georgia Southern University. Hail Southern! Despite a love for ’70s land yachts and BMWs from the late ’80s and early ’90s, his personal vehicle is neither of those.

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  • D D 3 days ago

    No amount of killing in Iran is enough to kill revenge filed hate from a people. Bombing didn’t defeat Britain, Vietnam, Iraq. We will never be able to control the unbridled hate they have for us.


    no matter how many bombs or troops we have.

    • See 1 previous
    • Normie Normie 3 days ago

      Hatred of the West is the only politically cohesive force they have. Otherwise they're just jihadding each other.

  • Normie Normie 2 days ago

    I want to be the new Jeff, dammit! He gets 70% of the responses on this site.

    I'm perfectly qualified, too. I'd have dodged the Vietnam draft if it had lasted one year longer.

    • See 1 previous
  • Andarris Here in the Toronto area I haven't seen a 2006-2012 with intact rocker pannels for over two years now. I presume everywhere around the Great Lakes is the same ? They were super cheap dhring the first two years of the pandemic - could get one with less than 85K for around $6500 certified or a little higher mileage for $5000. Glad I skipped it, even in 2021 some of the 10's &11's were displaying corosion like you'd see on a 7 year older Impala, Camry or Accord. Also the mid-model switch to EPS made me balk at the few clean ones I found.
  • Kjhkjlhkjhkljh kljhjkhjklhkjh I do not ever have delays. I only fly out of PDX or EUG to LAS or OAK and OGG then back .. have never been delayed in the last ?30-ish? trips to vegas/disneyland/maui/cruise ship vacations.... EUG has contract tsa so we never have any TSA delays. unsure which airports have PRIVATE contract TSA that is UNAFFECTED by the deadlock that i HOPE NEVER EVER END.
  • Big Al from Oz gidday mites how are yall feelin today? Want to have a barbie? We are right here gettin dee fire ready
  • Michael S6 The 3 Amigos better hope that the oil spike is short lived as 4-5 dollar a gallon gas would put a damper on their cash cows especially "Ford's strategic shift" of killing off the escape/Lincoln cousin. Most other automakers have a full line of vehicles with much better full economy. GM is sucking air and its Cadillac devision is mostly EV and geriatric line up of ICE cars and SUV's that were supposed to be phased out this year. The expensive gas may push shoppers toward EV but GM's horrible EV reliability is a barrier.
  • Tane94 I read the GM press release about first quarter sales 2026 vs 2025 and Buick is getting its butt kicked:Buick Total* 41,654 61,822 -32.6 The future is bleak for Buick.
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