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Porsche 911 GT3 (992) vs Porsche Cayman GT4 981

Over a standing quarter mile on dry asphalt the Porsche 911 GT3 (992) is the quicker car, covering it in 11.01 s at 126.6 mph against the Porsche Cayman GT4 981’s 12.21 s — a margin of 1.20 s. To 60 mph the Porsche 911 GT3 (992) takes 2.91 s and the Porsche Cayman GT4 981 3.91 s.

Simulated, not measured — computed from each car’s published kerb mass, rated power and drivetrain, then fitted to its own published acceleration figures. Dry asphalt, 20 °C, sea level, 1 ft rollout.

Porsche 911 GT3 (992) Porsche Cayman GT4 981

Watch the run in full — then change the surface, the weather or the distance and run it again.

Down the strip

Standing startPorsche 911 GT3 (992)Porsche Cayman GT4 981
0–60 mph2.91 s3.91 s
0–100 mph6.77 s9.02 s
60 ft1.72 s2.00 s
1/8 mile7.09 s7.96 s
1/4 mile11.01 s12.21 s
Trap speed126.6 mph116.9 mph

Each car is trimmed to its own published figures — 9/11 for the Porsche 911 GT3 (992), 9/10 for the Porsche Cayman GT4 981 — so a heavier car can still be the quicker one if that is what it tests.

On paper

SpecificationPorsche 911 GT3 (992)Porsche Cayman GT4 981
Year20212015
Power503 bhp380 bhp
Kerb mass1,435 kg1,340 kg
Power to weight350 bhp/t283 bhp/t
DrivetrainRear driveRear drive
EngineNaturally aspiratedNaturally aspirated

Where these times sit

0-60 under 3 seconds271 cars0-100 km/h under 4 seconds881 carsQuarter mile under 12 seconds780 cars0-100 under 7 seconds311 carsTraps over 110 mph1,380 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
Porsche 0-60 timesevery model

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Questions

Is the Porsche 911 GT3 (992) or the Porsche Cayman GT4 981 faster?
The Porsche 911 GT3 (992). Over a standing quarter mile it runs 11.01 s to the Porsche Cayman GT4 981's 12.21 s, a margin of 1.20 s, and it reaches 60 mph in 2.91 s against 3.91 s. These are theoretical times from a physics simulation, not measured runs.
What is the Porsche 911 GT3 (992) 0-60 time?
The Porsche 911 GT3 (992) reaches 60 mph in 2.91 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 11.01 s at 126.6 mph.
What is the Porsche Cayman GT4 981 0-60 time?
The Porsche Cayman GT4 981 reaches 60 mph in 3.91 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 12.21 s at 116.9 mph.
What trap speed does each car run?
The Porsche 911 GT3 (992) trips the lights at 126.6 mph and the Porsche Cayman GT4 981 at 116.9 mph at the end of the quarter mile. These are theoretical times from a physics simulation, not measured runs.
Are these real measured times?
No. Every time on this page is produced by a physics simulation, not by a stopwatch at a drag strip. Each car is modelled from its published kerb mass, rated power, drivetrain and gearing, then trimmed until it matches its own published acceleration figures — 9 of 11 for the Porsche 911 GT3 (992) and 9 of 10 for the Porsche Cayman GT4 981. Conditions are identical for both cars: dry asphalt, 20 °C, sea level, 1 ft rollout.

Figures regenerated 2026-10-12. Every number on this page is computed by the simulator at build time, so the page and the app can never disagree.