Italy vs Italy — 1929 vs 2018
| 6C 1750 Gran Sport Zagato Spider | Stelvio Quadrifoglio 2.9 V6 BiTurbo | |
|---|---|---|
| Horsepower | 85 hp | 505 hp |
| Torque | — | 443 lb-ft |
| Engine Size | 1,752 cc | 2,891 cc |
| 0-60 mph | — | 3.6 sec |
| Top Speed | 96 mph | 176 mph |
| ¼ Mile | — | 11.8 sec |
| Weight | 1,852 lbs | 4,035 lbs |
| Wheelbase | 2,745 mm | 2,818 mm |
| Length | 3,900 mm | 4,702 mm |
| Units Produced | 218 | — |
| Original MSRP | — | $85,050 |
| Value (Excellent) | $8,000,000 | $95,000 |
| Collectibility | 10/10 | 5/10 |
| Rarity | 10/10 | 4/10 |
Two outstanding machines, each with compelling strengths. The 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider excels in lighter weight, stronger collectibility, while the 2018 Alfa Romeo Stelvio Quadrifoglio 2.9 V6 BiTurbo stands out for more power, higher top speed, better value. The best advice? Drive both if you can, then follow your instincts.
The 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider and 2018 Alfa Romeo Stelvio Quadrifoglio 2.9 V6 BiTurbo share a manufacturer in Alfa Romeo, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Alfa Romeo brand. The 2018 Alfa Romeo Stelvio Quadrifoglio 2.9 V6 BiTurbo holds a clear advantage in raw power with 505 hp compared to 85 hp, a 420-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo 6C 1750 Gran Sport uses a Inline-6 DOHC Supercharged displacing 1,752 cc, while the Alfa Romeo Stelvio Quadrifoglio relies on a V6 Twin-Turbo with 2,891 cc. The 2018 Alfa Romeo Stelvio Quadrifoglio 2.9 V6 BiTurbo claims a higher top speed at 176 mph compared to 96 mph. The Alfa Romeo 6C 1750 Gran Sport carries a weight advantage, tipping the scales 2183 lbs lighter. On the collector market, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider commands a significant premium over the 2018 Alfa Romeo Stelvio Quadrifoglio 2.9 V6 BiTurbo, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider rates higher among enthusiasts and auction houses.