Porsche 911

vs

ATS 2500 GT

Germany vs Italy — 1972 vs 1963

Porsche 911 (1972)
ATS 2500 GT (1963)
Specifications
911 Carrera RS 2.72500 GT
Horsepower210 hp245 hp
Torque188 lb-ft181 lb-ft
Engine Size2,687 cc2,467 cc
0-60 mph5.5 sec6.8 sec
Top Speed152 mph152 mph
¼ Mile14.1 sec
Weight2,150 lbs2,094 lbs
Wheelbase2,271 mm2,400 mm
Length4,147 mm4,350 mm
Units Produced1,58012
Value (Excellent)$1,500,000$1,500,000
Collectibility10/1010/10
Rarity10/1010/10
The Verdict

This matchup is remarkably close. The 1972 Porsche 911 Carrera RS 2.7 offers quicker acceleration, while the 1963 ATS 2500 GT counters with more power, greater rarity. 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

When Germany engineering meets Italy craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1972 Porsche 911 Carrera RS 2.7 and 1963 ATS 2500 GT embody their respective national automotive traditions while competing in the same arena. The 1963 ATS 2500 GT holds a clear advantage in raw power with 245 hp compared to 210 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 uses a Flat-6 SOHC displacing 2,687 cc, while the ATS 2500 GT relies on a V8 DOHC with 2,467 cc. In the sprint to 60 mph, the 1972 Porsche 911 Carrera RS 2.7 edges ahead at 5.5 seconds versus 6.8 seconds. Rarity plays a significant role here — with only 12 units built, the 1963 ATS 2500 GT is considerably scarcer than the Porsche 911's 1,580 examples.