USA vs USA — 1930 vs 1959
| V-16 Madame X | Coupe de Ville 390 V8 | |
|---|---|---|
| Horsepower | 165 hp | 325 hp |
| Torque | — | 420 lb-ft |
| Engine Size | 7,413 cc | 6,390 cc |
| 0-60 mph | — | 10.8 sec |
| Top Speed | 100 mph | 120 mph |
| ¼ Mile | — | 17.8 sec |
| Weight | 6,000 lbs | 4,800 lbs |
| Wheelbase | 3,734 mm | 3,302 mm |
| Length | 5,842 mm | 5,715 mm |
| Units Produced | 3,878 | 21,924 |
| Original MSRP | $5,350 | $5,252 |
| Value (Excellent) | $1,500,000 | $150,000 |
| Collectibility | 10/10 | 9/10 |
| Rarity | 10/10 | 5/10 |
Numbers favor the 1959 Cadillac Coupe de Ville 390 V8 with more power, higher top speed, lighter weight. The 1930 Cadillac V-16 Madame X offers greater rarity, stronger collectibility, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.
Cadillac has long offered a diverse lineup, and comparing the 1930 Cadillac V-16 Madame X with the 1959 Cadillac Coupe de Ville 390 V8 highlights the breadth of the marque's engineering philosophy. The 1959 Cadillac Coupe de Ville 390 V8 holds a clear advantage in raw power with 325 hp compared to 165 hp, a 160-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Cadillac V-16 uses a V16 OHV displacing 7,413 cc, while the Cadillac Coupe de Ville relies on a V8 OHV (Cadillac 390) with 6,390 cc. The 1959 Cadillac Coupe de Ville 390 V8 claims a higher top speed at 120 mph compared to 100 mph. The Cadillac Coupe de Ville carries a weight advantage, tipping the scales 1200 lbs lighter. Rarity plays a significant role here — with only 3,878 units built, the 1930 Cadillac V-16 Madame X is considerably scarcer than the Cadillac Coupe de Ville's 21,924 examples. On the collector market, the 1930 Cadillac V-16 Madame X commands a significant premium over the 1959 Cadillac Coupe de Ville 390 V8, reflecting differences in prestige and rarity.