Performance
SPEED
518 mph (833 kph) [Diff.+33 mph]
SPEED
485 mph (780 kph) [Diff.-33 mph]
RANGE
5,861 miles (9,432 km) [Diff.+449 miles]
RANGE
5,412 miles (8,710 km) [Diff.-449 miles]
CEILING
45,000 ft (13,716 m) [Diff.+7,927 feet]
CEILING
37,073 ft (11,300 m) [Diff.-7,927 feet]