Question: what are the different size ubers?
Answer: UberX: The least expensive Uber service. Seats 4 riders. ... 
UberXL: Seats at least 6 passengers. An UberXL car will be an SUV or a Minivan. ... 
UberSelect: A luxury sedan that seats up to 4 riders. Expect a BMW, Mercededs, Audi, etc with a leather interior. ... 
UberBLACK (Black Car): Uber's 'executive' luxury service.