Germany vs West Germany — 1968 vs 1978
| GT 1900 | Senator 3.0i 24V | |
|---|---|---|
| Horsepower | 90 hp | 204 hp |
| Torque | 109 lb-ft | 199 lb-ft |
| Engine Size | 1,897 cc | 2,969 cc |
| 0-60 mph | 9.2 sec | 7.5 sec |
| Top Speed | 115 mph | 149 mph |
| ¼ Mile | 17.0 sec | 15.8 sec |
| Weight | 2,050 lbs | 3,219 lbs |
| Wheelbase | 2,400 mm | 2,731 mm |
| Length | 4,145 mm | 4,758 mm |
| Units Produced | 103,373 | 151,000 |
| Original MSRP | $3,395 | — |
| Value (Excellent) | $35,000 | $20,000 |
| Collectibility | 7/10 | 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 1968 Opel GT 1900 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 1968 Opel GT 1900 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 90 hp, a 114-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel GT uses a Inline-4 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 9.2 seconds. The Opel GT carries a weight advantage, tipping the scales 1169 lbs lighter. On the collector market, the 1968 Opel GT 1900 commands a significant premium over the 1978 Opel Senator 3.0i 24V, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1968 Opel GT 1900 rates higher among enthusiasts and auction houses.