USA vs Italy — 1929 vs 1924
| Model SJ Supercharged | Tipo 8A Landaulet | |
|---|---|---|
| Horsepower | 320 hp | 135 hp |
| Torque | 490 lb-ft | — |
| Engine Size | 6,882 cc | 7,372 cc |
| 0-60 mph | 8.0 sec | — |
| Top Speed | 135 mph | 90 mph |
| Weight | 5,500 lbs | 4,850 lbs |
| Wheelbase | 3,658 mm | 3,680 mm |
| Length | 5,588 mm | — |
| Units Produced | 36 | — |
| Original MSRP | $13,000 | — |
| Value (Excellent) | $8,000,000 | $2,500,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 10/10 | 9/10 |
Two outstanding machines, each with compelling strengths. The 1929 Duesenberg Model SJ Supercharged excels in more power, higher top speed, while the 1924 Isotta Fraschini Tipo 8A Landaulet stands out for lighter weight, better value. The best advice? Drive both if you can, then follow your instincts.
Putting the 1929 Duesenberg Model SJ Supercharged against the 1924 Isotta Fraschini Tipo 8A Landaulet is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — USA versus Italy. The 1929 Duesenberg Model SJ Supercharged holds a clear advantage in raw power with 320 hp compared to 135 hp, a 185-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Duesenberg Model SJ uses a Straight-8 Supercharged displacing 6,882 cc, while the Isotta Fraschini Tipo 8A relies on a Inline-8 OHV with 7,372 cc. The 1929 Duesenberg Model SJ Supercharged claims a higher top speed at 135 mph compared to 90 mph. The Isotta Fraschini Tipo 8A carries a weight advantage, tipping the scales 650 lbs lighter. On the collector market, the 1929 Duesenberg Model SJ Supercharged commands a significant premium over the 1924 Isotta Fraschini Tipo 8A Landaulet, reflecting differences in prestige and rarity.