The biggest differences in the Airbus A350 and the Boeing 787 Dreamliner are the weight of the planes, the passenger capacity and the height of the cabin. The Airbus A350 weighs in at 546,700 pounds and the Boeing 787 is a little bit lighter at 502,500 pounds. The Airbus holds 276 passengers while the Boeing only holds 210 and the cabin of the Airbus is about a foot shorter than the Boeing, at 7.22 feet.
The Boeing 787 Dreamliner and the Airbus A350 are both turbofan-powered wide-bodied commercial passenger planes. These two planes have a small difference in price, with the Airbus 350 price tag coming in at $152 million and the Boeing 787 costing $157 million, as of 2015. Another small difference is the nautical miles that each plane can fly. The Airbus can fly 8,250 nautical miles while the Boeing can fly 8,200 nautical miles.
The planes also have many similarities. For instance, they both can fly at an altitude of 43,000 feet with cruising speeds of 510 knots, which translates to 587 mph.
The Boeing 787 Dreamliner is the most fuel-efficient plane to date for Boeing and was introduced for commercial use in October 2011. Airbus answered to Boeing's innovative plane with the construction of the A350 XWB. The A350 had its first commercial flight in January 2015.