Porsche 911

vs

Porsche 911 (997)

Germany vs Germany — 1975 vs 2005

Porsche 911 (1975)
Porsche 911 (997) (2005)
Specifications
911 Turbo (930)911 (997) GT3 RS
Horsepower300 hp450 hp
Torque304 lb-ft317 lb-ft
Engine Size3,299 cc3,797 cc
0-60 mph5.0 sec3.8 sec
Top Speed162 mph193 mph
¼ Mile13.5 sec12.0 sec
Weight2,866 lbs3,021 lbs
Wheelbase2,272 mm2,355 mm
Length4,291 mm4,460 mm
Units Produced21,5892,017
Original MSRP$62,000$132,800
Value (Excellent)$300,000$450,000
Collectibility9/109/10
Rarity5/108/10
The Verdict

The 2005 Porsche 911 (997) GT3 RS emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1975 Porsche 911 Turbo (930) counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.

Overview

Tracing the evolution of the Porsche 911 from 1975 to 2005 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Porsche. The 2005 Porsche 911 (997) GT3 RS holds a clear advantage in raw power with 450 hp compared to 300 hp, a 150-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 911 uses a Flat-6 SOHC Turbocharged air-cooled displacing 3,299 cc, while the Porsche 911 (997) relies on a Flat-6 DOHC with 3,797 cc. In the sprint to 60 mph, the 2005 Porsche 911 (997) GT3 RS edges ahead at 3.8 seconds versus 5.0 seconds. Rarity plays a significant role here — with only 2,017 units built, the 2005 Porsche 911 (997) GT3 RS is considerably scarcer than the Porsche 911's 21,589 examples.