Compare

Two 911s, spec for spec

Every figure below comes from the dataset — the same numbers the variant pages cite. Pick two cars (or four), and the shareable link in your address bar always reproduces exactly what you see.

Slot A

911 GT2

997 · 2007–2009 · 530 PS

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Slot B

911 GT3

997 · 2006–2012 · 435 PS

Open variant page →

Every pick is from the 997 — swap one for a cross-era car to see what actually changed.

Power

911 GT2530 PS
911 GT3435 PS

0–100 km/hlower is better

911 GT23.4 s
911 GT34.1 s

Top speed

911 GT2330 km/h
911 GT3312 km/h

Kerb weightlower is better

911 GT21440 kg
911 GT31395 kg

Specification differences between the selected 911 variants
Spec	911 GT2997 · 2007–2009	911 GT3997 · 2006–2012
Generation	997 — Return of Round Lights	997 — Return of Round Lights
Years (differs)	2007–2009	2006–2012
Engine (differs)	3.6 L twin-turbo flat-six with variable turbine geometry, rear-mounted	3.6 L Mezger flat-six with dry sump lubrication (997.1); 3.8 L Mezger flat-six (997.2)
Power (as published) (differs)	530 PS (523 hp) @ 6,500 rpm	415 PS (409 hp) @ 7,600 rpm (997.1); 435 PS (429 hp) @ 8,250 rpm (997.2)
Power (differs)	530 PS	435 PS
Torque (differs)	680 Nm (502 lb-ft) @ 2,200 rpm	405 Nm (299 lb-ft) @ 5,500 rpm (997.1); 430 Nm (317 lb-ft) @ 6,250 rpm (997.2)
0–100 km/h (differs)	0–97 km/h (0–60 mph) 3.4 s; 0–160 km/h (0–100 mph) 7.4 s	0–100 km/h (0–62 mph) 4.1 s (997.1); 4.1 s (997.2)
Top speed (differs)	330 km/h (205 mph) — fastest two-seat Porsche at its launch	310 km/h (193 mph) (997.1); 312 km/h (194 mph) (997.2)
Weight (differs)	1,440 kg (3,175 lb)	1,395 kg (3,075 lb)
Kerb weight (differs)	1,440 kg	1,395 kg
Drivetrain	Rear-wheel drive	Rear-wheel drive
Layout	RWD	RWD
Transmission	6-speed manual (only)	6-speed manual (only)
Body styles	Coupé	Coupé
Cooling / family (differs)	Turbo · Water-cooled	Water-cooled
Production (differs)	1,242 units (2008–2009, classic.com)	—
Limited run	No	No