Alfa Romeo 6C 1750 Gran Sport

vs

Alfa Romeo Alfetta GTV

Italy vs Italy — 1929 vs 1974

Alfa Romeo 6C 1750 Gran Sport (1929)
Alfa Romeo Alfetta GTV (1974)
Specifications
6C 1750 Gran Sport Zagato SpiderAlfetta GTV 2000
Horsepower85 hp130 hp
Torque130 lb-ft
Engine Size1,752 cc1,962 cc
0-60 mph8.8 sec
Top Speed96 mph121 mph
¼ Mile16.5 sec
Weight1,852 lbs2,337 lbs
Wheelbase2,745 mm2,400 mm
Length3,900 mm4,210 mm
Units Produced218
Original MSRP$8,950
Value (Excellent)$8,000,000$45,000
Collectibility10/107/10
Rarity10/105/10
The Verdict

It's a closely fought contest. The 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider brings lighter weight, stronger collectibility to the table, and the 1974 Alfa Romeo Alfetta GTV 2000 answers with more power, higher top speed, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

Alfa Romeo has long offered a diverse lineup, and comparing the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider with the 1974 Alfa Romeo Alfetta GTV 2000 highlights the breadth of the marque's engineering philosophy. The 1974 Alfa Romeo Alfetta GTV 2000 holds a clear advantage in raw power with 130 hp compared to 85 hp, a 45-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 Alfetta GTV relies on a Inline-4 DOHC 8V with 1,962 cc. The 1974 Alfa Romeo Alfetta GTV 2000 claims a higher top speed at 121 mph compared to 96 mph. The Alfa Romeo 6C 1750 Gran Sport carries a weight advantage, tipping the scales 485 lbs lighter. On the collector market, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider commands a significant premium over the 1974 Alfa Romeo Alfetta GTV 2000, 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.