Germany vs Germany — 1983 vs 1978
| M6 E24 | 928 4.5 | |
|---|---|---|
| Horsepower | 256 hp | 240 hp |
| Torque | 251 lb-ft | 273 lb-ft |
| Engine Size | 3,453 cc | 4,474 cc |
| 0-60 mph | 6.4 sec | 6.8 sec |
| Top Speed | 158 mph | 143 mph |
| ¼ Mile | 14.5 sec | 15.1 sec |
| Weight | 3,329 lbs | 3,197 lbs |
| Wheelbase | 2,626 mm | 2,500 mm |
| Length | 4,755 mm | 4,445 mm |
| Units Produced | 5,855 | 15,800 |
| Original MSRP | $56,000 | $28,500 |
| Value (Excellent) | $100,000 | $55,000 |
| Collectibility | 8/10 | 8/10 |
| Rarity | 7/10 | 6/10 |
On balance, the 1983 BMW M6 E24 makes a stronger case on paper with quicker acceleration, higher top speed, greater rarity. However, the 1978 Porsche 928 4.5 counters with better value, and its appeal extends beyond mere numbers. Choose the 1983 BMW M6 E24 for outright capability, or the 1978 Porsche 928 4.5 for a more distinctive ownership experience.
In the world of Grand Tourer cars, few comparisons generate as much discussion as the 1983 BMW M6 E24 versus the 1978 Porsche 928 4.5. Both hail from Malaise era and represent the pinnacle of their respective manufacturers' ambitions. On paper, the two are remarkably close in power output, with the 1983 BMW M6 E24 producing 256 hp and the 1978 Porsche 928 4.5 delivering 240 hp. Under the hood, the contrast is notable: the BMW M6 uses a Inline-6 DOHC 24V displacing 3,453 cc, while the Porsche 928 relies on a V8 SOHC with 4,474 cc. In the sprint to 60 mph, the 1983 BMW M6 E24 edges ahead at 6.4 seconds versus 6.8 seconds. Each of these machines offers a unique window into the era that produced it, making both worthy of consideration by collectors and drivers alike.