Alfa Romeo 33 Stradale

vs

Alfa Romeo 6C 1750 Gran Sport

Italy vs Italy — 1966 vs 1929

Alfa Romeo 33 Stradale (1966)
Alfa Romeo 6C 1750 Gran Sport (1929)
Specifications
33 Stradale Tipo 336C 1750 Gran Sport Zagato Spider
Horsepower230 hp85 hp
Torque152 lb-ft
Engine Size1,995 cc1,752 cc
0-60 mph5.5 sec
Top Speed162 mph96 mph
¼ Mile13.8 sec
Weight1,543 lbs1,852 lbs
Wheelbase2,350 mm2,745 mm
Length3,970 mm3,900 mm
Units Produced18218
Original MSRP$17,000
Value (Excellent)$20,000,000$8,000,000
Collectibility10/1010/10
Rarity10/1010/10
The Verdict

The 1966 Alfa Romeo 33 Stradale Tipo 33 holds an edge across most measurable criteria, offering more power, higher top speed, lighter weight. That said, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider brings better value and remains a compelling choice for enthusiasts who value Alfa Romeo heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

The 1966 Alfa Romeo 33 Stradale Tipo 33 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 1966 Alfa Romeo 33 Stradale Tipo 33 holds a clear advantage in raw power with 230 hp compared to 85 hp, a 145-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo 33 Stradale uses a V8 DOHC 32V displacing 1,995 cc, while the Alfa Romeo 6C 1750 Gran Sport relies on a Inline-6 DOHC Supercharged with 1,752 cc. The 1966 Alfa Romeo 33 Stradale Tipo 33 claims a higher top speed at 162 mph compared to 96 mph. The Alfa Romeo 33 Stradale carries a weight advantage, tipping the scales 309 lbs lighter. Rarity plays a significant role here — with only 18 units built, the 1966 Alfa Romeo 33 Stradale Tipo 33 is considerably scarcer than the Alfa Romeo 6C 1750 Gran Sport's 218 examples. On the collector market, the 1966 Alfa Romeo 33 Stradale Tipo 33 commands a significant premium over the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider, reflecting differences in prestige and rarity.