Range Rover Sport” and “Discovery 4” are both luxury SUVs produced by British car manufacturer, Land Rover.

The “tdv6” and “sdv6” refer to two different engine types that are available for these models. “tdv6” stands for “turbocharged diesel V6” while “sdv6” stands for “sequential turbocharged diesel V6”. The “3.0” refers to the engine’s displacement, which is 3.0 liters.

The “306” refers to the horsepower output of the engine. Both the tdv6 and sdv6 engines are capable of producing 306 horsepower. Finally, “dt” stands for “diesel turbo”.

In summary, “Range Rover Sport Discovery 4 – tdv6 sdv6 3 0 306 dt” is a luxury SUV produced by Land Rover, available with either a turbocharged diesel V6 or sequential turbocharged diesel V6 engine, both with a 3.0 liter displacement and 306 horsepower output, and powered by diesel turbo.