West Germany vs West Germany — 1981 vs 1986
| Manta 400 Rally Homologation | Omega 3000 24V | |
|---|---|---|
| Horsepower | 144 hp | 204 hp |
| Torque | 155 lb-ft | 199 lb-ft |
| Engine Size | 2,420 cc | 2,969 cc |
| 0-60 mph | 8.5 sec | 7.3 sec |
| Top Speed | 129 mph | 149 mph |
| ¼ Mile | 16.0 sec | 15.5 sec |
| Weight | 2,337 lbs | 3,086 lbs |
| Wheelbase | 2,518 mm | 2,730 mm |
| Length | 4,470 mm | 4,733 mm |
| Units Produced | 245 | — |
| Value (Excellent) | $200,000 | $15,000 |
| Collectibility | 8/10 | 4/10 |
| Rarity | 9/10 | 6/10 |
The 1986 Opel Omega 3000 24V emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1981 Opel Manta 400 Rally Homologation counters with lighter weight, stronger collectibility, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
The 1981 Opel Manta 400 Rally Homologation and 1986 Opel Omega 3000 24V share a manufacturer in Opel, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Opel brand. The 1986 Opel Omega 3000 24V holds a clear advantage in raw power with 204 hp compared to 144 hp, a 60-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel Manta 400 uses a Inline-4 DOHC 16V displacing 2,420 cc, while the Opel Omega relies on a Inline-6 DOHC 24V with 2,969 cc. In the sprint to 60 mph, the 1986 Opel Omega 3000 24V edges ahead at 7.3 seconds versus 8.5 seconds. The Opel Manta 400 carries a weight advantage, tipping the scales 749 lbs lighter. On the collector market, the 1981 Opel Manta 400 Rally Homologation commands a significant premium over the 1986 Opel Omega 3000 24V, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1981 Opel Manta 400 Rally Homologation rates higher among enthusiasts and auction houses.