1. Cost considerations
In fact, in the compact car market, car companies always consider profits and market share. Volkswagen's own dual-clutch gearbox can be used directly, regardless of patent fees. Toyota's CVT gearbox is also Toyota's own product. Compared with Volkswagen's dual clutch gearbox, the cost of using CVT is lower in cost control. There is no need to independently develop another automobile gearbox, which will cause unnecessary waste.
It is also very important that CVT and dual clutch have no advantage in compact cars. Dual clutch gearbox and CVT gearbox have their own advantages and disadvantages. For example, dual clutch shifting is faster and more direct than CVT. The disadvantage is that the maintenance cost is relatively higher than CVT, and the driving performance is not as good as CVT. CVT gearbox has better driving performance, but it can't bear large torque. CVT gearbox will be "powerless" after being used for a long time, and its speed is slow, which is not as direct as dual clutch. However, we can know that CVT gearboxes are generally not used by high-end brands in Europe or Japan, because the main reason is that they cannot bear large torque.
2. Differences between national conditions and environment
Take Germany in Europe as an example. The speed limit of German expressways is basically unlimited, and the lanes of expressways are wide, which requires higher handling and power of automobiles. For example, many luxury car brands, such as Audi, BMW and Mercedes-Benz, are more in pursuit of handling performance. In addition, the rigor of the Germans can be reflected in their pursuit with CVT's dual clutch gearbox.
Because Japan has less land resources and relatively narrow and tortuous roads, small cars are more suitable for Japan's national conditions, and CVT gearboxes are more in line with the "slowness" of Japanese consumers who are not interested in power. Therefore, European cars like DSG dual clutch gearbox, while Japanese cars like CVT gearbox.