Alfa Romeo 6C 1750 Gran Sport

vs

Alfa Romeo 159

Italy vs Italy — 1929 vs 2005

Alfa Romeo 6C 1750 Gran Sport (1929)
Alfa Romeo 159 (2005)
Specifications
6C 1750 Gran Sport Zagato Spider159 3.2 JTS V6 Q4
Horsepower85 hp260 hp
Torque237 lb-ft
Engine Size1,752 cc3,195 cc
0-60 mph6.7 sec
Top Speed96 mph152 mph
¼ Mile15.0 sec
Weight1,852 lbs3,671 lbs
Wheelbase2,745 mm2,700 mm
Length3,900 mm4,660 mm
Units Produced218
Value (Excellent)$8,000,000$25,000
Collectibility10/105/10
Rarity10/106/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider excels in lighter weight, stronger collectibility, while the 2005 Alfa Romeo 159 3.2 JTS V6 Q4 stands out for more power, higher top speed, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

The 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider and 2005 Alfa Romeo 159 3.2 JTS V6 Q4 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 2005 Alfa Romeo 159 3.2 JTS V6 Q4 holds a clear advantage in raw power with 260 hp compared to 85 hp, a 175-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 159 relies on a V6 DOHC 24V with 3,195 cc. The 2005 Alfa Romeo 159 3.2 JTS V6 Q4 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 1819 lbs lighter. On the collector market, the 1929 Alfa Romeo 6C 1750 Gran Sport Zagato Spider commands a significant premium over the 2005 Alfa Romeo 159 3.2 JTS V6 Q4, 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.