Why Didn't Airbus Build The A380 With An Exclusive Engine Type?

The A380 program allowed customers to choose between Rolls-Royce and Engine Alliance powerplants.
Aviation Week

Emirates signs up for $3bn Engine Alliance maintenance deal

Emirates and the Engine Alliance have signed a fleet management agreement for the maintenance, repair and overhaul of the GP7200 engines that power its A380 fleet. The fleet management agreement is ...

Is It True That The Airbus A380 Uses The Same Engines As The A340-600?

The aircraft has advanced powerplants.
Aviation Week

Engine Alliance celebrates a ton up on A380 powerplant

The Engine Alliance – the provider for engines for the Emirates fleet of Airbus A380 aircraft has completed its 100th GP7200 engine. The 100 th engine is destined for an Air France airplane. “We are ...