Land Rover Range Rover Sport TDV8

Hello! I play with the idea of buying a RRS TDV8. First I thought about taking the TDV6, but I have some respect for the 2.6 tons of curb weight. I can’t imagine that the 190 hp can handle this. But the extra charge is already happy. I think 9000,- EUR. For me only the HSE equipment would come into question. I’ve read a lot about the car. Is that true that the TDV8 consumes more than 15 liters on average? According to the list, the throughput is hnitts consumption at 11,1 liters, 15 liters would be over 30% more. What more should you add to the equipment? So what is still important? I definitely want metallic varnish and tinted discs back. How much discount can I expect? I most likely have a test drive next/next week. But I don’t want to go ignorant. Thank you