Report: Tariffs Could Lead To Halt In Auto Production

Tim Healey
by Tim Healey

Automotive intelligence firm S&P Global Mobility is predicting that if President Donald Trump's proposed tariffs lead to a trade war, there's a 50 percent chance that the auto industry could enter a long period of disruption.


According to The Detroit Free Press, the firm has put out three possible scenarios that could play out, depending on how the trade wars go. In one, production could drop by 20,000 vehicles per day just a week from yesterday.

From S&P via Freep:

"Although some contend that tariffs on the auto industry may boost U.S. manufacturing, only GM, Ford and Stellantis have excess capacity to increase U.S. production, and automakers are not likely to be able to make such a change quickly or cost-effectively," S&P Global's report said. "A production shift would also require suppliers to relocate."

S&P says that the chance of a quick resolution to the tariff issues is only 30 percent.

S&P further points out that the auto industry doesn't like to invest without long-term stability. Tariffs aren't the only thing causing uncertainty that could delay investment and the development of future vehicles -- there is also confusion over what may happen with fuel economy and emissions regulations.

Again from S&P via the Freep:

"With tariffs now imposed on Canada and Mexico, we expect significant disruption in the region. S&P Global Mobility sees potential for North American production to drop by up 20,000 units per day within a week," the report stated. "We now expect that the tariff posture, messaging and coverage through 2025 will be erratic, placing (automakers) and suppliers’ mid- or long-term vehicle and facility planning in a virtual gridlock."

For now, Trump has enacted 20 percent tariffs on China and put 25 percent tariffs on Canadian and Mexican products, but exempted automakers that are part of the USMCA until April 2. He's also put 25 percent tariffs on steel and aluminum coming in from all countries. Canada and the European Union have hit back with tariffs on American goods -- the EU, for example, is tariffing motorcycles.

China has retaliated, too, with tariffs on chicken, beef, pork, soybeans, fruit, wheat, and corn.

For a vehicle to be USMCA compliant, it must have 75 percent of its content sourced from Canada, Mexico, or the U.S. Additionally, 40 percent of core parts and 70 percent of steel and aluminum must be sourced from the region, and wage requirements also must be met.

Given the complexity of supply chains, it's hard to say exactly which cars are compliant. S&P says Canadian-built vehicles with engines and transmissions sourced from USMCA countries are the most likely to comply. That means Stellantis, General Motors, and Toyota are the most likely to comply. Honda imports some of its transmissions, and Ford also might not be compliant. S&P says Nissan likely is, as is Mazda, despite importing some transmissions. Hyundai/Kia are likely to be compliant, but it's harder to tell with Volkswagen. BMW and Mercedes-Benz are unlikely to be compliant because they source engines and transmissions from Europe.

S&P's three scenarios are this: quick resolution, extended disruption, and tariff winter. That last one means tariffs would continue for a long time and cars would cost more, either because of the tariffs or because automakers would shift some production back to the U.S. and incur higher labor costs. The costs of tariffs or more-expensive labor would be passed on to the consumer. In this last scenario, sales would tumble about 10 percent in the U.S.

S&P does expect some production to shift back to the U.S., either because of the tariffs or because an automaker had already decided to build a certain model in the States but had yet to announce it. Still, it would take time to shift production and sales would likely drop before that can happen.

[Image: Gorodenkoff/Shutterstock.com]

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Tim Healey
Tim Healey

Tim Healey grew up around the auto-parts business and has always had a love for cars — his parents joke his first word was “‘Vette”. Despite this, he wanted to pursue a career in sports writing but he ended up falling semi-accidentally into the automotive-journalism industry, first at Consumer Guide Automotive and later at Web2Carz.com. He also worked as an industry analyst at Mintel Group and freelanced for About.com, CarFax, Vehix.com, High Gear Media, Torque News, FutureCar.com, Cars.com, among others, and of course Vertical Scope sites such as AutoGuide.com, Off-Road.com, and HybridCars.com. He’s an urbanite and as such, doesn’t need a daily driver, but if he had one, it would be compact, sporty, and have a manual transmission.

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  • Stellantis Guy Stellantis Guy on Mar 16, 2025

    I set out one egg this morning instead of two (economists call this the 'substitution effect' but I wouldn't know about that, just look at the region I am from). But then I went and fired up the truck and did some work with a shovel and a broom, no breakfast yet. My grandparents lived through the Great Depression, I think I probably have it worse than them now. I am basically at Valley Forge levels of hardship, maybe. Can we bring back FDR?

    (I would do some all caps or bold or underlining but I am so very tired.)

    • See 5 previous
    • Slavuta Slavuta on Mar 17, 2025

      Nothing happened. I am building a chicken coop. Back to the USSR


  • Spectator Spectator on Mar 16, 2025

    Lots of good land in Alabama for more auto factories! I’m all for tariffs moving manufacturing back to the US.


    the fact an EV startup (relatively speaking) makes autos in USA for USA successfully and the legacy 3 can’t says there’s a problem with the failing brands - perhaps the decision to layoff here and hire there wasn’t so wise.

  • Amwhalbi My 1972 Mercury Capri was my first stick shift car. God, I miss that thing. It was a blast to drive.
  • Vid169489471 The technology exists today to produce a variable color temperature (kelvin) LED lamp. It can vary from 2700k that soft orange look to 6500k the bright daylight with the bluish tint.Since everything in a late model car is computer controlled, it would be an easy task to write a few lines of code that enables your vehicle to not only dim down from hi to low beam but to shift color temp down to the 2700k range for oncoming traffic, then back up to 5000k once oncoming traffic has passed. For the operator it would be automatic and seamless. For older cars they could be retrofitted with LEDs that are 2700k on low beam and 5000k on hi beam. As far as standards, there could be a lumens max, and a minimum. Several States already have minimum lumen standards going back to the old incandescent bulbs. Why not update these to national standards.
  • Jam169859557 More regulation is needed for ALL vehicle lighting systems. [list=1][*]The lighting that is most blinding are the rapidly flashing red, blue and amber lights on emergency vehicles. The lights themselves are blinding, flashing so rapidly that it's impossible for even the sharpest eyes to adjust. What's worse, is the nature of the emergency requires a careful view of the area surrounding the emergency vehicle. There is something going on that needs to be seen. More flashing lights is not the solution.[/*][*]Brighter headlights need to be regulated. The tall riding vehicles do not need headlights positioned so high that they blind drivers in lower riding vehicles. And those heasdlights need to be aimed properly. When I first started driving my 2020 Subaru Outback, many drivers would flash their lights, hoping I would dim my lights. This stopped after I performed am easy adjustment that tilted the beam lower. Late model Subaru headlamps are designed with a sharp cutoff that project less glare above the hood line. When the headlights are properly aimed, other drivers are not blinded by the beam.[/*][*]Customized light assemblies make it more difficult to see the marker lights (tail lamps, turn signals and side marker lamps) that have been tinted. There are many municiple codes that prohibit this tinting, but these laws are seldom enforced.[/*][/list=1]Solutions: Tight controls on emergency vehicle lighting. In trying to make these vehicles more visible, a dangerous side effect is reducing the ability of drivers to see the surrounding perils.Headlight design regulations that reduce the height of the headlight assemblies. Just because a pickup truck has a hood that sits 4 feet abouve the pavement, it does not mean the headlights need to be so high. Owneres should maintain proper adjustments to their vehicle headlights.Establish and enforce regulation requiring a illumination standard be followed.
  • Stl170698708 as someone who hates big government, and their interference;but you can add me to the list of people that are blinded by the lights.unfortunately "the poop is out of the horse and no way is it going back in"They have had 5 years to make lights bigger, badder and brighter because in the vehicle work it is go big or go home!Trucks are the worst because so many people use them to express their dominance and that is big, big, big $$ both at the Original Purchase and in the Aftermarket world.If, we are so lucky to get some good government regulation on this it will also take some very good Court enforcement to get the aftermarket people with fines and lawsuits.Much like the EPA did with the Diesel Tuner Industry that felt emission regulations didn't apply to them.This is from someone that owns said pickup truck with the same bright headlights,but i only use the truck when I have too and always turn off the Fog lights when driving in traffic.
  • Art65765977 I saw a porsche 911 with the most amazing headlights from behind approaching the Sunshine skyway in Florida. The pattern was 108 degrees across sweeping the road like a broom. My brother and I were amazed. I don't know what it looked like from the front but i am sure it was better than American cars
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