B-1B Lancer vs B-2 Spirit
Top speed, range, size and history side by side. Each was built for its own job, so this shows how they differ, not which is better.
The B-1B Lancer is faster: 1,335 km/h against 1,010 km/h for the B-2 Spirit. The B-2 Spirit flies further: 11,100 km against 9,400 km for the B-1B Lancer. The B-2 Spirit has the wider wingspan: 52.4 m against 41.8 m for the B-1B Lancer. The B-1B Lancer is heavier at takeoff: 216 tonnes against 171 tonnes for the B-2 Spirit. The B-1B Lancer first flew in 1974, 15 years before the B-2 Spirit (1989).
| B-1B Lancer | B-2 Spirit |
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| Top speed | 1,335 km/h (830 mph) | 1,010 km/h (628 mph) |
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| Range | 9,400 km (5,841 miles) | 11,100 km (6,897 miles) |
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| Length | 44.5 m (146 ft) | 21 m (69 ft) |
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| Wingspan | 41.8 m (137 ft) | 52.4 m (172 ft) |
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| Max takeoff weight | 216 t (477,075 lb) | 171 t (376,105 lb) |
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| First flight | 1974 | 1989 |
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| Crew and capacity | 4 crew | 2 crew |
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| Engines | 4 × F101 afterburning turbofan | 4 × F118 turbofan |
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| Built by | Rockwell | Northrop Grumman |
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| Country | USA | USA |
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