Germany vs Germany — 1982 vs 1968
| Manta 400 | GT 1900 | |
|---|---|---|
| Horsepower | 275 hp | 90 hp |
| Torque | 207 lb-ft | 109 lb-ft |
| Engine Size | 2,420 cc | 1,897 cc |
| 0-60 mph | 6.2 sec | 9.2 sec |
| Top Speed | 143 mph | 115 mph |
| ¼ Mile | 14.5 sec | 17.0 sec |
| Weight | 2,337 lbs | 2,050 lbs |
| Wheelbase | 2,518 mm | 2,400 mm |
| Length | 4,465 mm | 4,145 mm |
| Units Produced | 245 | 103,373 |
| Original MSRP | — | $3,395 |
| Value (Excellent) | $350,000 | $35,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 9/10 | 6/10 |
On balance, the 1982 Opel Manta 400 makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1968 Opel GT 1900 counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1982 Opel Manta 400 for outright capability, or the 1968 Opel GT 1900 for a more distinctive ownership experience.
Opel has long offered a diverse lineup, and comparing the 1982 Opel Manta 400 with the 1968 Opel GT 1900 highlights the breadth of the marque's engineering philosophy. The 1982 Opel Manta 400 holds a clear advantage in raw power with 275 hp compared to 90 hp, a 185-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 GT relies on a Inline-4 with 1,897 cc. In the sprint to 60 mph, the 1982 Opel Manta 400 edges ahead at 6.2 seconds versus 9.2 seconds. The Opel GT carries a weight advantage, tipping the scales 287 lbs lighter. Rarity plays a significant role here — with only 245 units built, the 1982 Opel Manta 400 is considerably scarcer than the Opel GT's 103,373 examples. On the collector market, the 1982 Opel Manta 400 commands a significant premium over the 1968 Opel GT 1900, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1982 Opel Manta 400 rates higher among enthusiasts and auction houses.