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2014 Audi RS 5 TDI Concept

Technical Specs
385 hp 553 lb-ft 3.8 s 174 mph
Horsepower Torque 0-60 mph Top Speed
Engine Exterior Dimensions & Weight
Type V6, Twin-Turbo, Diesel Length 183 in (4649 mm)
Displacement 181 cu in (2967 cc) Width 73.2 in (1860 mm)
Power 385 hp (283 kW) @ 4200 rpm Height 53.8 in (1366 mm)
Torque 553 lb-ft (750 Nm) @ 1250 rpm Weight n/a
Redline 5500 rpm Performance
Electric Power n/a 0-60 mph (0-100 km/h) 3.8 s (4 s)
Electric Torque n/a 1/4 mile n/a
Net Power n/a 60-0 mph Braking n/a
Driveline Top Speed 174 mph (280 km/h)
Layout All Wheel Drive Fuel Economy
Transmission EPA Fuel Mileage - City n/a
Type 8 Speed Dual-Clutch Automatic EPA Fuel Mileage - HWY n/a
Tires Origin & Price
Tire Size - Front 275/30 ZR20 Manufacturer's Origin Germany
Tire Size - Rear 275/30 ZR20 Base Price n/a
Photo Gallery
Video
Article

Groundbreaking Audi RS 5 TDI Concept

Published: Wed Jun 18, 2014 by Marko P.  |  Source: Audi
The German manufacturer claims the new technology makes the diesel engine sportier and more efficient.
The German manufacturer claims the new technology makes the diesel engine sportier and more efficient.

Powered by an V6 3.0-liter diesel biturbo boosted by an electrically driven turbocharger, the RS 5 TDI Concept is labeled as "groundbreaking" by Audi. The German manufacturer claims 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. 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 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 385 hp (283 kW); from 1,250 to 2,000 rpm it transfers 553 lb-ft (750 Nm) 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 60 mph in under four seconds. The 124 mph (200 km/h) mark is reached in less than 16 seconds, and top speed is 174 mph (280 km/h). The average fuel consumption of less than 5.3 liters of diesel fuel per 100 kilometers (44.4 US mpg) 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.

Audi hasn't released any information yet about the production availability of this technology.

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