671bhp Porsche Panamera Sport Turismo Turbo S E-start Hybrid

Porsche has launched the fastest Panamera Sport Turismo is still produced in the Turbo S E-Hybrid.

As the normal Panamera, the range-topping Sport Turismo mates a turbocharged 4.0-Liter V8 engine that produced 542bhp and a 134bhp electric motor.

Combined, the system will issue a maximum of 671bhp and 627lb ft, and the all-wheel-drive estate to 62mph in 3.4 sec – 1.4 sec quicker than the normal E-Hybrid model.

The car, which produces its maximum torque from just 1400rpm, and can hit 124mph in 11.9 sec., what can only manage a second slower than the 911 GT3 RS. Top speed is 192mph.

The all-wheel-drive Turbo S E-Hybrid uses an eight-speed automatic transmission and offers a claimed 97mpg according to the NEDC test.

It uses a 14.1 kWh lithium-ion battery that can be recharged in the 2.4 to 6 hours, depending on the outlet it is connected to. It can be used in full EV mode for up to 31 miles with a top speed of 87mph.

The installation of the battery in the car floor has 95 liters of storage space in the boot, but the figure still stands at 425 litres. The rear seat has space for two adults and a child, and can be folded electronically in a 40:20:40 split.

As standard, the Sport Turismo Turbo S E-Hybrid 21 gets alloy wheels, Porsche Dynamic Chassis Control and torque vectoring technology. There is also a locking rear differential and ceramic-composite brakes, as well as an adaptive three-chamber air suspension with Porsche Active Suspension Management system.

The car is on sale now, price from £140,868 for the new range-topping version of the Porsche, Audi, RS6, performance and Mercedes-AMG CLS 63 Shooting Brake rival.

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Porsche Panamera Turbo S E-Hybrid review