You have cause and effect backwards. Cars aren’t some static thing that you grow on trees and sell, where like American trees grow bigger cars. The question yo

You have cause and effect backwards. Cars aren’t some static thing that you grow on trees and sell, where like American trees grow bigger cars. The question you should be asking is why American manufacturers don’t target the EU market more aggressively and make cars that fit the formats Europeans buy. It’s not the only reason but an absolutely crucial factor is that EU states protect their domestic auto industry via tariffs and industrial policies/subsidies.