Everything That You Need To Know About Porsche's All-New 3.6-Liter 9A3B6 Engine - Storyboard

Clean slate: Porsche designed an all-new 3.6-liter flat-six engine for its first hybrid 911, internally dubbed the 9A3

Without the e-motor, the new flat-6 makes 478 hp and 420 lb-ft of torque, most of which available from 1,500 RPM

Debuting on the 2025 Porsche 911 Carrera 4 GTS, it weighs just 77 lbs more than the non-hybrid 4 GTS

The new model boasts a superior power-to-weight ratio of 334.8 hp/ton

Packaged like a mild-hybrid, the T-Hybrid system works more like a full-hybrid powertrain, but lacks electric-only range

The T-Hybrid's 1.9 kWh battery pack weighs under 60 lbs and is located at the front for better weight distribution

According to Porsche, the 911 Carrera 4 GTS T-Hybrid sprints from 0 to 60 mph in 2.9 seconds or less

All accessories on the 9A3 engine are electrically driven instead of belt-driven, making the engine sit 110 mm lower than the old 3.0-liter

The T-Hybrid's system output is 534 hp and 450 lb-ft, which helped the 2025 Carrera 4 GTS to lap "Green hell" faster than the 992.1 Turbo S

Additionally, the turbocharger's e-motor can also charge the battery or temporarily over-boost" the PDK-integrated e-motor

Porsche is expected to release a more powerful T-Hybrid powertrain for the upcoming, 992.2 Turbo S

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