Boeing is promoting the 747-8, a stretch version of its jumbo jet, as an alternative to the A380.
A stretch version would carry 650 passengers.
The A321, a stretch version of the A320, can carry 180 to 200 passengers and has a range of about 2,400 nautical miles.
The A321 is a stretch version of the A320, and Rohr said the systems had many similarities.
The stretch versions have more space for people and cargo, but that space comes at a price.
This $12,675 option (available only on the stretch version) comes closest to giving the Lexus the cachet it covets.
But he said airlines were responding positively to the 747-8, a stretch version of the 747, which Boeing hopes to bring to the market in 2010.
Both the stretch version of the MD-11 and the 747 will be able to seat about 600.
A proposed stretch version called the Fokker 130 was never built.
Meanwhile, Boeing is considering a stretch version of its 747 jumbo jet.
