West Germany vs West Germany — 1967 vs 1978
| Commodore GS/E | Senator 3.0i 24V | |
|---|---|---|
| Horsepower | 160 hp | 204 hp |
| Torque | 173 lb-ft | 199 lb-ft |
| Engine Size | 2,784 cc | 2,969 cc |
| 0-60 mph | 8.5 sec | 7.5 sec |
| Top Speed | 124 mph | 149 mph |
| ¼ Mile | 16.5 sec | 15.8 sec |
| Weight | 2,624 lbs | 3,219 lbs |
| Wheelbase | 2,668 mm | 2,731 mm |
| Length | 4,589 mm | 4,758 mm |
| Units Produced | 156,330 | 151,000 |
| Value (Excellent) | $45,000 | $20,000 |
| Collectibility | 6/10 | 4/10 |
| Rarity | 6/10 | 6/10 |
Numbers favor the 1978 Opel Senator 3.0i 24V with more power, quicker acceleration, higher top speed. The 1967 Opel Commodore GS/E offers lighter weight, stronger collectibility, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Opel has long offered a diverse lineup, and comparing the 1967 Opel Commodore GS/E with the 1978 Opel Senator 3.0i 24V highlights the breadth of the marque's engineering philosophy. The 1978 Opel Senator 3.0i 24V holds a clear advantage in raw power with 204 hp compared to 160 hp, a 44-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel Commodore uses a Inline-6 OHC displacing 2,784 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 8.5 seconds. The Opel Commodore carries a weight advantage, tipping the scales 595 lbs lighter. On the collector market, the 1967 Opel Commodore GS/E commands a significant premium over the 1978 Opel Senator 3.0i 24V, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1967 Opel Commodore GS/E rates higher among enthusiasts and auction houses.