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Porsche T-Hybrid Turbo S specs: 3.6L (219 ci) 6-cylinder, 97 x 81 mm (3.8189 x 3.1890 in) bore and stroke. Rated 701 hp, 2026. Used in the Porsche 911.
The Porsche T-Hybrid Turbo S is oversquare — the 3.8189" bore exceeds the 3.189" stroke by 19.8% — a layout that favors airflow and RPM over leverage at the crank. The 3.189" stroke does not reach 4,000 ft/min of mean piston speed until about 7,550 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 6 cylinders displaces 36.5 ci (598 cc).
| Displacement | 219 ci / 3.6 L |
|---|---|
| Bore | 3.8189" |
| Stroke | 3.189" |
| Cylinders | 6 |
| Bore/stroke ratio | 1.198 |
| Fuel type | gas |
|---|---|
| Advertised HP | 701 hp |
| Years | 2026 |
| Bore/stroke character | 1.198 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,189 ft/min — conservative for a street engine |
| Displacement per cylinder | 36.5 ci |
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1 factory vehicle, 2026. Each year opens that model's engine table.