Image credits: © Audi.

2014 Audi RS 5 TDI concept

Groundbreaking: The Audi RS 5 TDI concept

• V6 TDI with electric charger generates 283 kW (385 hp) and 750 Nm

• Outstanding sprint performance: 0 – 100 km/h in four seconds

• Board Member for Development Prof. Dr. Úlrich Hackenberg: '48-volt systems and electric turbocharging are important technologies for the future'

2014 Audi RS 5 TDI conceptThe RS 5 TDI concept technology study is powered by an enhanced-output V6 3.0 TDI biturbo boosted by an electrically driven turbocharger. This new development makes the diesel engine sportier and more efficient.

'25 years ago, Audi launched the first TDI on the market, writing the first chapter of an enduring success story,' says Prof. Dr. Úlrich 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 harbored by 48-volt electrical systems, which we are currently developing for use in production vehicles.'

The V6 biturbo in the Audi RS 5 TDI concept produces 283 kW (385 hp); from 1,250 to 2,000 rpm it transfers 750 Nm (553.2 lb-ft) of torque to the crankshaft. The red-line is at 5,500 rpm. The supplemental electric turbocharger provides for staggering power when starting off. An electric motor replaces the turbine wheel and accelerates the compressor wheel to over 70,000 rpm in a few hundredths of a second. The exhaust turbochargers also provide as much as 2.4 bar of relative boost pressure.


This combination enables the Audi RS 5 TDI concept to sprint from 0 to 100 km/h (62.1 mph) in just four seconds. The 200 km/h (124.3 mph) mark is reached in less than 16 seconds, and top speed is 280 km/h (174.0 mph). The average fuel consumption of less than 5.3 liters of diesel per 100 kilometers (less than 140 grams CO2 per kilometer) (44.4 ÚS mpg/225.3 g/mi) documents the outstanding efficiency.

Recuperation is the primary source of the drive energy for the electric turbocharger. To transmit this energy, the RS 5 TDI concept uses a separate 48-volt electrical system that is connected to the conventional 12-volt electrical system via a DC/DC converter. The energy is stored in a compact lithium-ion battery. The advantage of 48-volt electrical systems is that they enable the transmission of larger amounts of energy. This makes them an important milestone in the Audi electrification strategy.

Source - Audi

Concepts by Audi

Audi Monthly Sales Volume

August 2019
21,531
July 2019
19,370
June 2019
19,409
May 2019
18,892
April 2019
15,024
March 2019
20,302
January 2019
14,253
December 2018
22,765
November 2018
17,082
October 2018
16,056
September 2018
19,350
August 2018
20,907
Additional Sales Volume Data


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