The listed Ubud → Amed private hotel transfer is 650K per car. This is a point-to-point transfer, not a sightseeing tour.
Vehicle
Standard 7-seater car. Maximum 4 people with luggage.
If you want stops along the way
East Bali sightseeing with several listed temples and villages is a separate 8-hour East Bali tour from Ubud at 800K per car.