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Over a standing quarter mile on dry asphalt, the Porsche 911 Turbo 992 gets there in 10.45 s — 1.17 s ahead of the Mercedes-Benz AMG GT 476 PS.
Watch the run in full — then change the surface, the weather or the distance and run it again.
| Standing start | Porsche 911 Turbo 992 | Mercedes-Benz AMG GT 476 PS |
|---|---|---|
| 0–60 mph | 2.50 s | 3.54 s |
| 0–100 mph | 5.92 s | 7.79 s |
| 60 ft | 1.57 s | 1.93 s |
| 1/8 mile | 6.70 s | 7.61 s |
| 1/4 mile | 10.45 s | 11.63 s |
| Trap speed | 131.6 mph | 123.4 mph |
Each car is trimmed to its own published figures — 9/11 for the Porsche 911 Turbo 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.
| Specification | Porsche 911 Turbo 992 | Mercedes-Benz AMG GT 476 PS |
|---|---|---|
| Year | 2020 | 2017 |
| Power | 573 bhp | 469 bhp |
| Kerb mass | 1,565 kg | 1,540 kg |
| Power to weight | 366 bhp/t | 305 bhp/t |
| Drivetrain | All-wheel drive | Rear drive |
| Engine | Turbocharged | Turbocharged |