Alfa Romeo 6C 2500 Competizione

vs

Alfa Romeo Giulia TZ

Italy vs Italy — 1939 vs 1964

Alfa Romeo 6C 2500 Competizione (1939)
Alfa Romeo Giulia TZ (1964)
Specifications
6C 2500 CompetizioneGiulia TZ Tubolare Zagato
Horsepower145 hp112 hp
Torque145 lb-ft101 lb-ft
Engine Size2,443 cc1,570 cc
0-60 mph7.5 sec
Top Speed124 mph134 mph
Weight2,094 lbs1,455 lbs
Wheelbase2,700 mm2,200 mm
Length4,300 mm3,930 mm
Units Produced4112
Value (Excellent)$8,000,000$2,200,000
Collectibility10/109/10
Rarity10/109/10
The Verdict

This matchup is remarkably close. The 1939 Alfa Romeo 6C 2500 Competizione offers more power, greater rarity, stronger collectibility, while the 1964 Alfa Romeo Giulia TZ Tubolare Zagato counters with higher top speed, 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

Within the Alfa Romeo stable, the 1939 Alfa Romeo 6C 2500 Competizione and 1964 Alfa Romeo Giulia TZ Tubolare Zagato represent different approaches to performance and purpose. Both carry the Alfa Romeo badge, yet each carves out its own distinct identity. The 1939 Alfa Romeo 6C 2500 Competizione holds a clear advantage in raw power with 145 hp compared to 112 hp, a 33-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 Giulia TZ relies on a Inline-4 DOHC with 1,570 cc. The 1964 Alfa Romeo Giulia TZ Tubolare Zagato claims a higher top speed at 134 mph compared to 124 mph. The Alfa Romeo Giulia TZ carries a weight advantage, tipping the scales 639 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 Giulia TZ's 112 examples. On the collector market, the 1939 Alfa Romeo 6C 2500 Competizione commands a significant premium over the 1964 Alfa Romeo Giulia TZ Tubolare Zagato, reflecting differences in prestige and rarity.