Germany vs West Germany — 1983 vs 1978
| Manta 400 | Senator 3.0i 24V | |
|---|---|---|
| Horsepower | 144 hp | 204 hp |
| Torque | 150 lb-ft | 199 lb-ft |
| Engine Size | 2,410 cc | 2,969 cc |
| 0-60 mph | 7.8 sec | 7.5 sec |
| Top Speed | 126 mph | 149 mph |
| ¼ Mile | 16.0 sec | 15.8 sec |
| Weight | 2,381 lbs | 3,219 lbs |
| Wheelbase | 2,575 mm | 2,731 mm |
| Length | 4,380 mm | 4,758 mm |
| Units Produced | 245 | 151,000 |
| Original MSRP | $22,000 | — |
| Value (Excellent) | $85,000 | $20,000 |
| Collectibility | 8/10 | 4/10 |
| Rarity | 9/10 | 6/10 |
Two outstanding machines, each with compelling strengths. The 1983 Opel Manta 400 excels in lighter weight, greater rarity, stronger collectibility, while the 1978 Opel Senator 3.0i 24V stands out for more power, quicker acceleration, higher top speed. The best advice? Drive both if you can, then follow your instincts.
The 1983 Opel Manta 400 and 1978 Opel Senator 3.0i 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 1978 Opel Senator 3.0i 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 uses a Inline-4 displacing 2,410 cc, while the Opel Senator relies on a Inline-6 DOHC 24V with 2,969 cc. In the sprint to 60 mph, the 1978 Opel Senator 3.0i 24V edges ahead at 7.5 seconds versus 7.8 seconds. The Opel Manta carries a weight advantage, tipping the scales 838 lbs lighter. Rarity plays a significant role here — with only 245 units built, the 1983 Opel Manta 400 is considerably scarcer than the Opel Senator's 151,000 examples. On the collector market, the 1983 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 1983 Opel Manta 400 rates higher among enthusiasts and auction houses.