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Porsche 911 GT3 (992) vs Mercedes-Benz AMG GT 476 PS

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 Mercedes-Benz AMG GT 476 PS’s 11.63 s — a margin of 0.62 s. To 60 mph the Porsche 911 GT3 (992) takes 2.91 s and the Mercedes-Benz AMG GT 476 PS 3.54 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) Mercedes-Benz AMG GT 476 PS

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)Mercedes-Benz AMG GT 476 PS
0–60 mph2.91 s3.54 s
0–100 mph6.77 s7.79 s
60 ft1.72 s1.93 s
1/8 mile7.09 s7.61 s
1/4 mile11.01 s11.63 s
Trap speed126.6 mph123.4 mph

Each car is trimmed to its own published figures — 9/11 for the Porsche 911 GT3 (992), 9/11 for the Mercedes-Benz AMG GT 476 PS — so a heavier car can still be the quicker one if that is what it tests.

On paper

SpecificationPorsche 911 GT3 (992)Mercedes-Benz AMG GT 476 PS
Year20212017
Power503 bhp469 bhp
Kerb mass1,435 kg1,540 kg
Power to weight350 bhp/t305 bhp/t
DrivetrainRear driveRear drive
EngineNaturally aspiratedTurbocharged

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 120 mph651 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
Porsche 0-60 timesevery modelMercedes-Benz 0-60 timesevery model

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Questions

Is the Porsche 911 GT3 (992) or the Mercedes-Benz AMG GT 476 PS faster?
The Porsche 911 GT3 (992). Over a standing quarter mile it runs 11.01 s to the Mercedes-Benz AMG GT 476 PS's 11.63 s, a margin of 0.62 s, and it reaches 60 mph in 2.91 s against 3.54 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 Mercedes-Benz AMG GT 476 PS 0-60 time?
The Mercedes-Benz AMG GT 476 PS reaches 60 mph in 3.54 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 11.63 s at 123.4 mph.
What trap speed does each car run?
The Porsche 911 GT3 (992) trips the lights at 126.6 mph and the Mercedes-Benz AMG GT 476 PS at 123.4 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 11 for the Mercedes-Benz AMG GT 476 PS. 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.