Alfa Romeo 6C 2500 Competizione

vs

Alfa Romeo 6C 1750 Gran Sport

Italy vs Italy — 1939 vs 1929

Alfa Romeo 6C 2500 Competizione (1939)
Alfa Romeo 6C 1750 Gran Sport (1929)
Specifications
6C 2500 Competizione6C 1750 Gran Sport Zagato Spider
Horsepower145 hp85 hp
Torque145 lb-ft
Engine Size2,443 cc1,752 cc
Top Speed124 mph96 mph
Weight2,094 lbs1,852 lbs
Wheelbase2,700 mm2,745 mm
Length4,300 mm3,900 mm
Units Produced4218
Value (Excellent)$8,000,000$8,000,000
Collectibility10/1010/10
Rarity10/1010/10
The Verdict

This matchup is remarkably close. The 1939 Alfa Romeo 6C 2500 Competizione offers more power, higher top speed, greater rarity, while the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider counters with lighter weight, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

The Alfa Romeo 6C 2500 Competizione lineage tells a fascinating story of automotive evolution. Comparing the 1939 Alfa Romeo 6C 2500 Competizione with the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider reveals how Alfa Romeo refined and reimagined one of its most important nameplates over the years. The 1939 Alfa Romeo 6C 2500 Competizione holds a clear advantage in raw power with 145 hp compared to 85 hp, a 60-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alfa Romeo 6C 2500 Competizione uses a Inline-6 DOHC displacing 2,443 cc, while the Alfa Romeo 6C 1750 Gran Sport relies on a Inline-6 DOHC Supercharged with 1,752 cc. The 1939 Alfa Romeo 6C 2500 Competizione claims a higher top speed at 124 mph compared to 96 mph. The Alfa Romeo 6C 1750 Gran Sport carries a weight advantage, tipping the scales 242 lbs lighter. Rarity plays a significant role here — with only 4 units built, the 1939 Alfa Romeo 6C 2500 Competizione is considerably scarcer than the Alfa Romeo 6C 1750 Gran Sport's 218 examples.