BMW’s 3 Series sedan is among about a dozen models caught up in new tariffs.

Audi, Porsche, Ferrari, BMW, and Mercedes will be affected by the U.S. president's decision to impose car tariffs. The impact will be significant if they import the entire product or assemble it in the United States using imported parts.

From Donald Trump turning up the heat again, to 23andMe fearing the worst, we round up the big stories in business and finance over the week to March 28. Francis Maguire reports. Dazzling spiral swirl

The tariffs on cars and auto parts that President Trump announced on Wednesday will have far-reaching effects on automakers in the United States and abroad. But there will be important differences based on the circumstances of each company.

Major automakers can deal with President Donald Trump's tariffs on U.S. auto imports in a number of ways, but all of them lead to higher prices, fewer choices of models or limits on features for consumers,

President Donald Trump on Wednesday followed through on weeks of threats for new tariffs on imported cars, saying a 25% import tax on vehicles not built in the U.S. would kick in next week.

UK car firms are seeking support from the government as hopes fade a deal can be reached with US President Donald Trump over US tariffs. Companies met with industry minister Sarah Jones on Friday morning to discuss their response to plans for 25% tariffs on US car imports from next week,

Canada's main stock index opened lower on Thursday, a day after U.S. President Donald Trump imposed a 25% tariff on auto imports, expanding a global trade war and hammering stocks globally.