Germany vs West Germany — 1982 vs 1978
| Manta 400 | Senator 3.0i 24V | |
|---|---|---|
| Horsepower | 275 hp | 204 hp |
| Torque | 207 lb-ft | 199 lb-ft |
| Engine Size | 2,420 cc | 2,969 cc |
| 0-60 mph | 6.2 sec | 7.5 sec |
| Top Speed | 143 mph | 149 mph |
| ¼ Mile | 14.5 sec | 15.8 sec |
| Weight | 2,337 lbs | 3,219 lbs |
| Wheelbase | 2,518 mm | 2,731 mm |
| Length | 4,465 mm | 4,758 mm |
| Units Produced | 245 | 151,000 |
| Value (Excellent) | $350,000 | $20,000 |
| Collectibility | 9/10 | 4/10 |
| Rarity | 9/10 | 6/10 |
The 1982 Opel Manta 400 holds an edge across most measurable criteria, offering more power, quicker acceleration, lighter weight. That said, the 1978 Opel Senator 3.0i 24V brings higher top speed, better value and remains a compelling choice for enthusiasts who value Opel heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Within the Opel stable, the 1982 Opel Manta 400 and 1978 Opel Senator 3.0i 24V represent different approaches to performance and purpose. Both carry the Opel badge, yet each carves out its own distinct identity. The 1982 Opel Manta 400 holds a clear advantage in raw power with 275 hp compared to 204 hp, a 71-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel Manta uses a Inline-4 DOHC 16V (CIH-based) displacing 2,420 cc, while the Opel Senator relies on a Inline-6 DOHC 24V with 2,969 cc. In the sprint to 60 mph, the 1982 Opel Manta 400 edges ahead at 6.2 seconds versus 7.5 seconds. The Opel Manta carries a weight advantage, tipping the scales 882 lbs lighter. Rarity plays a significant role here — with only 245 units built, the 1982 Opel Manta 400 is considerably scarcer than the Opel Senator's 151,000 examples. On the collector market, the 1982 Opel Manta 400 commands a significant premium over the 1978 Opel Senator 3.0i 24V, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1982 Opel Manta 400 rates higher among enthusiasts and auction houses.