Germany vs West Germany — 1983 vs 1978
| M6 E24 | Monza 3.0E GSE | |
|---|---|---|
| Horsepower | 256 hp | 180 hp |
| Torque | 251 lb-ft | 181 lb-ft |
| Engine Size | 3,453 cc | 2,969 cc |
| 0-60 mph | 6.4 sec | 8.0 sec |
| Top Speed | 158 mph | 137 mph |
| ¼ Mile | 14.5 sec | 16.0 sec |
| Weight | 3,329 lbs | 2,932 lbs |
| Wheelbase | 2,626 mm | 2,668 mm |
| Length | 4,755 mm | 4,692 mm |
| Units Produced | 5,855 | 43,728 |
| Original MSRP | $56,000 | — |
| Value (Excellent) | $100,000 | $30,000 |
| Collectibility | 8/10 | 5/10 |
| Rarity | 7/10 | 7/10 |
The 1983 BMW M6 E24 holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1978 Opel Monza 3.0E GSE brings lighter weight, better value and remains a compelling choice for enthusiasts who value Opel heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Putting the 1983 BMW M6 E24 against the 1978 Opel Monza 3.0E GSE is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus West Germany. The 1983 BMW M6 E24 holds a clear advantage in raw power with 256 hp compared to 180 hp, a 76-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the BMW M6 uses a Inline-6 DOHC 24V displacing 3,453 cc, while the Opel Monza relies on a Inline-6 OHC with 2,969 cc. In the sprint to 60 mph, the 1983 BMW M6 E24 edges ahead at 6.4 seconds versus 8.0 seconds. The Opel Monza carries a weight advantage, tipping the scales 397 lbs lighter. Rarity plays a significant role here — with only 5,855 units built, the 1983 BMW M6 E24 is considerably scarcer than the Opel Monza's 43,728 examples. On the collector market, the 1983 BMW M6 E24 commands a significant premium over the 1978 Opel Monza 3.0E GSE, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1983 BMW M6 E24 rates higher among enthusiasts and auction houses.