USA vs USA — 1935 vs 1929
| Model J LaGrande Dual-Cowl Phaeton | Model SJ Supercharged | |
|---|---|---|
| Horsepower | 265 hp | 320 hp |
| Torque | 480 lb-ft | 490 lb-ft |
| Engine Size | 6,882 cc | 6,882 cc |
| 0-60 mph | 10.5 sec | 8.0 sec |
| Top Speed | 115 mph | 135 mph |
| Weight | 5,600 lbs | 5,500 lbs |
| Wheelbase | 3,988 mm | 3,658 mm |
| Length | 5,790 mm | 5,588 mm |
| Units Produced | 36 | 36 |
| Original MSRP | $17,500 | $13,000 |
| Value (Excellent) | $8,500,000 | $8,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 10/10 | 10/10 |
The 1929 Duesenberg Model SJ Supercharged emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1935 Duesenberg Model J LaGrande Dual-Cowl Phaeton counters with its unique character, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
The Duesenberg Model J lineage tells a fascinating story of automotive evolution. Comparing the 1935 Duesenberg Model J LaGrande Dual-Cowl Phaeton with the 1929 Duesenberg Model SJ Supercharged reveals how Duesenberg refined and reimagined one of its most important nameplates over the years. The 1929 Duesenberg Model SJ Supercharged holds a clear advantage in raw power with 320 hp compared to 265 hp, a 55-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Duesenberg Model J uses a Inline-8 DOHC displacing 6,882 cc, while the Duesenberg Model SJ relies on a Straight-8 Supercharged with 6,882 cc. In the sprint to 60 mph, the 1929 Duesenberg Model SJ Supercharged edges ahead at 8.0 seconds versus 10.5 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.