Audi details RS5 TDI concept’s e-turbo

Audi RS5 TDI concept side

Audi has detailed the company’s RS5 TDI concept – designed to commemorate the 25th anniversary of the TDI engine.

“25 years ago, Audi launched the first TDI on the market, writing the first chapter of an enduring success story,” says Prof. Dr. Ulrich Hackenberg, Board Member for Technical Development.

“Our latest innovation is the electric turbocharger, which further improves not just sprint times and pulling power, but also efficiency. This technology illustrates the possibilities harboured by 48-volt electrical systems, which we are currently developing for use in production vehicles.”

Audi RS5 TDI concept TDI engine

The concept is equipped with a twin-turbo 3.0-litre V6 TDI engine boosted by an electrically driven turbocharger. It churns out 283kW (385 hp) from 1,250-2,000rpm and 750Nm of torque. An electric motor replaces the turbine wheel and accelerates the compressor wheel to over 70,000rpm in a few hundredths of a second. The exhaust turbochargers also provide as much as 2.4 bar of relative boost pressure.

Audi RS5 TDI concept rear quarter

This setup is said to enable the Audi RS5 TDI concept to cover 0-100km/h in just 4 seconds, while 200km/h is attained in less than 16 seconds. Top speed is a claimed 280km/h. Despite the impressive performance, the concept sips just 5.3L/100km of fuel and emits less than 140g of CO2 per kilometer.

While not officially confirmed, there are reports that the new engine will be offered on the 2015/2016 Q7.

 

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