Sukhoi Superjet 100 increase the cabin density from 93 to 108 seats by reducing the pitch from . Interjet claims its capital cost for 10 Superjets is equivalent to the pre-delivery payment for one Airbus A320. The pre-delivery payment amounts to 15-30% of an aircraft list price. An A320 list price was $88.3M in 2012. By then, Brussels Airlines was seeking alternatives for its four SSJ100s wet-leased from CityJet until March 2019, as teething problems affected their reliability. In October 2018, Sukhoi and engine contractor UEC agreed a plan, backed by the Russian government, to focus on customer support rather than deliveries in
Sukhoi Su-57 produced, and some believe it to be an implicit announcement of the project's cancellation. The slowing of procurement could be because of the current slow growth of the Russian economy, while the future patches' procurement are for an unknown future; the Russian military could be waiting for the more powerful Saturn izdeliye 30 engine to be ready for serial production. On 22 August 2018, during the International Military-Technical Forum «ARMY-2018», the Russian Ministry of Defence and the JSC Sukhoi signed the first contract for delivery of two serial Su-57s. The contract should be finalized between 2018 and 2020. The prototype's