Are Jaguar and Land Rover engines the same?

Jaguar and Land Rover both belong to the same brand-Jaguar Land Rover, so their engines have a lot in common. For example, both brands use Ingenium series engines, and this four-cylinder turbocharged engine adopts a lightweight and efficient design. In addition, Ford engines have been used in evoque and Range Rover Sport before, and Ford was once the holding company of Jaguar Land Rover. But at the same time, Jaguar and Land Rover also have their own different engine series. For example, jaguar XJ is equipped with a 5.0-liter V8 engine, and Land Rover Range Rover is equipped with a 5.0-liter V8 engine and a 3.0-liter V6 engine. So the engines of Jaguar and Land Rover are not exactly the same, but there are some similarities.