24 August 2011
Audi A8 (2010 - 2017)

Audi A8 (2010 - 2017)

Audi confirms A8 Hybrid for series production

Autozine
24 August 2011 | Luxury class grandeur meets compact class efficiency in the Audi A8 hybrid, which this week has been given the green light for series production beginning in 2012, and will reach the UK late next year. Employing a four-cylinder petrol engine for the first time in an Audi model at this level, the brand's latest paragon of economy is said to offer performance befitting its 245 PS and 480 Nm outputs, despite deliveringmore uncharacteristic sub-148g/km CO2 output and all-electric, completely local emissions-free running at speeds of up to 62mph.

The Audi flagship model is designed as a parallel hybrid. Its 2.0-litre TFSI engine, which has been modified in some areas, generates an output of 211 PS and makes a 350 Nm torque peak available between 1,500 and 4,200 rpm. The combustion engine works together with a disc-shaped electric motor which generates 40 kW (54 PS) and 210 Nm.

Audi A8 (2010 - 2017)

The permanent magnet synchronous motor is mounted in the space usually occupied by the torque converter in front of the modified eight-speed tiptronic transmission. A multi-plate clutch that operates in an oil bath connects or disconnects the electric motor and the TFSI engine, and does so ultra-precisely and gently in all situations. The smooth and fast-shifting hybrid transmission guides the torque to the front wheels, and its wide gear spread contributes to the efficiency of the Audi A8 hybrid.

The short-term system output of 245 PS and the system torque of 480 Nm serve to provide impressively strong response. According to the provisional figures generated by early-stage tests, the Audi A8 hybrid will be capable of reaching 62 mph from rest in 7.7seconds and continuing to a top speed of 146 mph while returning in excess of 44mpg in the EU combined cycle test, along with CO2 emissions of less than 148 g/km.

The Audi A8 hybrid can drive at up to 62mph purely on electric power and has a range of up to 1.86 miles at a constant 37 mph. This gives the driver the choice of three modes: The 'EV' setting gives priority to the electric drive, while the 'D' option efficiently controls both the engine and the electric motor. The 'S' mode and the tiptronic gate place the emphasis on optimal acceleration. The hybrid saloon has five operating states: with the TFSI engine alone, with electric drive only or in hybrid mode; recuperation and boosting are also possible.

Audi A8 (2010 - 2017)

In visual terms, the Audi A8 hybrid is distinguishable by subtle details such as its 18-inch or optional 19-inch ten spoke alloy wheels which resemble turbine blades, hybrid badges and an exclusive Arctic Silver paint finish. The metallic paint finish is a standard feature, as are three-zone automatic air conditioning, LED headlights and a Bose sound system.

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