Germany vs West Germany — 1970 vs 1978
| Manta GT/E | Senator 3.0i 24V | |
|---|---|---|
| Horsepower | 105 hp | 204 hp |
| Torque | 116 lb-ft | 199 lb-ft |
| Engine Size | 1,897 cc | 2,969 cc |
| 0-60 mph | 10.5 sec | 7.5 sec |
| Top Speed | 115 mph | 149 mph |
| ¼ Mile | 17.5 sec | 15.8 sec |
| Weight | 2,160 lbs | 3,219 lbs |
| Wheelbase | 2,420 mm | 2,731 mm |
| Length | 4,242 mm | 4,758 mm |
| Units Produced | 498,553 | 151,000 |
| Value (Excellent) | $30,000 | $20,000 |
| Collectibility | 6/10 | 4/10 |
| Rarity | 6/10 | 6/10 |
The 1978 Opel Senator 3.0i 24V emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1970 Opel Manta GT/E 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 1970 Opel Manta GT/E 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 105 hp, a 99-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel Manta uses a Inline-4 CIH displacing 1,897 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 10.5 seconds. The Opel Manta carries a weight advantage, tipping the scales 1059 lbs lighter. On the collector market, the 1970 Opel Manta GT/E commands a significant premium over the 1978 Opel Senator 3.0i 24V, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Opel Manta GT/E rates higher among enthusiasts and auction houses.