| Variant | CRJ100 | CRJ200 | CRJ700 | CRJ900 | CRJ1000 |
| Cockpit crew | Two |
| Max. seating | 50 | 78 | 90 | 104 |
| Length | 87 ft 10 in (26.77 m) | 106 ft 1 in (32.3 m) | 118 ft 11 in (36.2 m) | 128 ft 5 in (39.1 m) |
| Height | 20 ft 8 in (6.3 m) | 24 ft 10 in (7.6 m) | 24 ft 7 in (7.5 m) |
| Wingspan | 69 ft 6 in (21.21 m) | 76 ft 3 in (23.2 m) | 81 ft 7 in (24.9 m) | 85 ft 11 in (26.2 m) |
| Wing area | 520.4 sq ft (48.35 m2) | 760 sq ft (70.6 m2) | 765 sq ft (71.1 m2) | 833 sq ft (77.4 m2) |
| Fuselage diameter | 8 ft 10 in (2.69 m) |
| Maximum takeoff weight | 51,000–53,000 lb (23,133–24,041 kg) | 75,000 lb (34,019 kg) | 84,500 lb (38,330 kg) | 91,800 lb (41,640 kg) |
| Operating empty weight | 30,500 lb (13,835 kg) | 44,245 lb (20,069 kg) | 48,160 lb (21,845 kg) | 51,120 lb (23,188 kg) |
| Max. payload | 13,500 lb (6,124 kg) | 18,055 lb (8,190 kg) | 22,590 lb (10,247 kg) | 26,380 lb (11,966 kg) |
| Max fuel | 2,135 US gal (8,081 L)14,305 lb (6,489 kg) | 2,925 US gal (11,070 L)19,595 lb (8,888 kg) | 2,903 US gal (10,990 L)19,450 lb (8,822 kg) |
| Engines (2x) | GE CF34-3A1 | GE CF34-3B1 | GE CF34-8C5B1 | GE CF34-8C5 | GE CF34-8C5A1 |
| Takeoff thrust (2x) | 8,729 lbf (38.84 kN) | 13,790 lbf (61.3 kN) | 14,510 lbf (64.5 kN) |
| Cruise | Mach – Mach (424–465 kn; 786–860 km/h; 488–535 mph) | Mach – Mach (447–473.2 kn; 829–876.4 km/h; 515–544.6 mph) |
| Range | 1,305–1,700 nmi (2,417–3,148 km; 1,502–1,956 mi) | 1,400 nmi (2,593 km; 1,600 mi) | 1,550 nmi (2,871 km; 1,780 mi) | 1,650 nmi (3,056 km; 1,900 mi) |
| Ceiling | 41,000 ft (12,496 m) |
| Takeoff (SL, ISA, MTOW) | 5,800–6,290 ft (1,770–1,920 m) | 5,265 ft (1,605 m) | 5,820 ft (1,770 m) | 6,670 ft (2,030 m) |
| Landing (SL, MLW) | 4,850 ft (1,480 m) | 5,040 ft (1,540 m) | 5,360 ft (1,630 m) | 5,740 ft (1,750 m) |
| ICAO type | CRJ1 | CRJ2 | CRJ7 | CRJ9 | CRJX |
