Italy vs Italy — 1989 vs 1929
| SZ ES-30 Sprint Zagato | 6C 1750 Gran Sport Zagato Spider | |
|---|---|---|
| Horsepower | 210 hp | 85 hp |
| Torque | 181 lb-ft | — |
| Engine Size | 2,959 cc | 1,752 cc |
| 0-60 mph | 6.8 sec | — |
| Top Speed | 152 mph | 96 mph |
| ¼ Mile | 14.9 sec | — |
| Weight | 2,778 lbs | 1,852 lbs |
| Wheelbase | 2,510 mm | 2,745 mm |
| Length | 4,058 mm | 3,900 mm |
| Units Produced | 1,036 | 218 |
| Original MSRP | $80,000 | — |
| Value (Excellent) | $200,000 | $8,000,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 7/10 | 10/10 |
Two outstanding machines, each with compelling strengths. The 1989 Alfa Romeo SZ ES-30 Sprint Zagato excels in more power, higher top speed, better value, while the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider stands out for lighter weight, greater rarity, stronger collectibility. The best advice? Drive both if you can, then follow your instincts.
The 1989 Alfa Romeo SZ ES-30 Sprint Zagato and 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider 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 1989 Alfa Romeo SZ ES-30 Sprint Zagato holds a clear advantage in raw power with 210 hp compared to 85 hp, a 125-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo SZ uses a V6 SOHC 12V displacing 2,959 cc, while the Alfa Romeo 6C 1750 Gran Sport relies on a Inline-6 DOHC Supercharged with 1,752 cc. The 1989 Alfa Romeo SZ ES-30 Sprint Zagato claims a higher top speed at 152 mph compared to 96 mph. The Alfa Romeo 6C 1750 Gran Sport carries a weight advantage, tipping the scales 926 lbs lighter. Rarity plays a significant role here — with only 218 units built, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider is considerably scarcer than the Alfa Romeo SZ's 1,036 examples. On the collector market, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider commands a significant premium over the 1989 Alfa Romeo SZ ES-30 Sprint Zagato, 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.