Italy vs West Germany — 1984 vs 1984
| Testarossa | Imperator 108i | |
|---|---|---|
| Horsepower | 390 hp | 326 hp |
| Torque | 361 lb-ft | 339 lb-ft |
| Engine Size | 4,942 cc | 4,973 cc |
| 0-60 mph | 5.2 sec | 5.0 sec |
| Top Speed | 180 mph | 174 mph |
| ¼ Mile | 13.5 sec | 13.0 sec |
| Weight | — | 2,976 lbs |
| Wheelbase | 2,550 mm | 2,500 mm |
| Length | 4,485 mm | 4,340 mm |
| Units Produced | 7,177 | 17 |
| Original MSRP | — | $180,000 |
| Value (Excellent) | $275,000 | $1,500,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 4/10 | 10/10 |
Two outstanding machines, each with compelling strengths. The 1984 Ferrari Testarossa excels in more power, higher top speed, better value, while the 1984 Isdera Imperator 108i stands out for quicker acceleration, greater rarity, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.
Putting the 1984 Ferrari Testarossa against the 1984 Isdera Imperator 108i is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Italy versus West Germany. The 1984 Ferrari Testarossa holds a clear advantage in raw power with 390 hp compared to 326 hp, a 64-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ferrari Testarossa uses a Flat-12 DOHC 48V displacing 4,942 cc, while the Isdera Imperator 108i relies on a V8 DOHC 32V with 4,973 cc. In the sprint to 60 mph, the 1984 Isdera Imperator 108i edges ahead at 5.0 seconds versus 5.2 seconds. Rarity plays a significant role here — with only 17 units built, the 1984 Isdera Imperator 108i is considerably scarcer than the Ferrari Testarossa's 7,177 examples. On the collector market, the 1984 Isdera Imperator 108i commands a significant premium over the 1984 Ferrari Testarossa, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1984 Isdera Imperator 108i rates higher among enthusiasts and auction houses.