777-200 & 777-300 Comparison

*The 777 “ER” (Extended Range) variants have modifications to increase range.
*The 777-200LR (Longer Range) variant has modifications to further increase range.
| Models | 777-200/200ER | 777-200LR | 777-300 | 777-300ER |
| Passengers | 305-313 | 301-317 | 368-396 | 365-396 |
| Seating | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right |
| Length | 209 ft, 1 in | 209 ft, 1 in | 242 ft, 4 in | 242 ft, 4 in |
| Wingspan | 199 ft, 11 in | 212 ft, 7 in | 199 ft, 11 in | 212 ft, 7 in |
| Height | 60 ft, 9 in | 60 ft, 9 in | 60 ft, 9 in | 60 ft, 9 in |
| Speed | 554 mph-587 mph | 554 mph-587 mph | 554 mph-587 mph | 554 mph-587 mph |
| Range | 6,027 mi/ER-8,128 mi | 9,844 mi | 6,938 mi | 8,481 |
| Altitude | 43,100 ft | 43,100 ft | 43,100 ft | 43,100 ft |
777-8 & 777-9 Comparison

*The 777-X models are still in production.
*Because the 777-X models are still in production, cruise speed and altitude are yet to be determined.
| Models | 777-8 | 777-9 |
| Passengers | 365 | |
| Seating | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right | Wide-body, double aisle 3 seats on left 4 seats in middle 3 seats on right |
| Length | 229 ft, 0 in | |
| Wingspan | 235 ft, 5 in, unfolded 212 ft, 9 in, folded | 235 ft, 5 in, unfolded 212 ft, 9 in, folded |
| Height | 64 ft, 0 in | 64 ft, 7 in |
| Speed | TBD | TBD |
| Range | 9,998 mi | 8,662 mi |
| Altitude | TBD | TBD |