2020 Audi A4, S4, Sedan, Avant, All Road Preview

  • Audi will be offering the A4 model line with six turbocharged engines at sales launch in Europe. Their power outputs range from 110 kW (150 PS) to 255 kW (347 PS) – from the Audi A4 35 TFSI (combined fuel consumption 6.0 – 5.5 l/100 km (39.2- 42.8 US mpg)*; combined CO2 emissions 138 – 125 g/km (222.1 - 201.2 g/mi)* up to the Audi S4 TDI (combined fuel consumption 6.3 – 6.2 l/100 km (37.3 - 37.9 US mpg)*; combined CO2 emissions 166 – 163 g/km (267.2 – 262.3 g/mi)*. All engines – whether four-cylinder diesel unit, V6 TDI or four-cylinder TFSI – undercut the limits of the Euro 6d-temp emission standard.
    For the market launch three engine variants will feature a mild-hybrid system (MHEV) based on 12 volts, which reduces fuel consumption while improving comfort. This broad-based electrification makes an important contribution to achieving the fleet targets for fuel consumption. In everyday use, the MHEV system reduces fuel consumption by up to 0.3 liters per 100 kilometersaccording to individual Audi measurements.
    Whether manual transmission, seven-speed S tronic or eight-speed tiptronic, whether front-wheel or quattro drive – each of the six engine variants delivers tailor-made power transmission. All A4 models come off the production line with an automatic transmission as standard.
    Both S models of the A4 family – the Audi S4 Sedan TDI (combined fuel consumption 6.3 – 6.2 l/100 km (37.3 - 37.9 US mpg)*; combined CO2 emissions 164 – 163 g/km (263.9 - 262.3 g/mi)* and the S4 Avant TDI (combined fuel consumption 6.3 l/100 km (37.3 US mpg)*; combined CO2 emissions 166 – 165 g/km (267.2 - 265.5 g/mi)* – are now equipped with a V6 diesel engine as a power package. The 3.0 TDI combines hefty torque, smooth running and a long range and provides a power output of up to 255 kW (347PS) and maximum torque of 700 Nm (516.3 lb-ft). It accelerates the S4 Sedan TDI from zero to 100 km/h (62.1 mph) in 4.8 seconds on the way to an electronically governed top speed of 250 km/h (155.3 mph). This combination of power, torque and efficiency makes the Audi S4 TDI unique in the segment.
    The electric powered compressor delivers powerful drive-off performance and virtually seamless power buildup when accelerating. As such, it eliminates any turbo lag, providing instant responsiveness in all driving situations. The electric powered compressor is integrated into a new 48-volt main electrical system, which also incorporates the mild-hybrid system. This provides even more efficiency potential than the MHEV system in the 12-volt electrical system on the A4 models. In the S4 TDI this is the next expansion stage in which the mild-hybrid technology will be rolled out based on 48 volts. The 12-volt subsidiary electrical system is connected to the 48-volt main electrical system via a powerful DC/DC converter. For the first time a powerful 48-volt belt alternator starter is being used in the S4 TDI as the heart of the mild-hybrid system with a maximum recuperation power of up to 8 kW when braking.
    A compact, air-cooled lithium-ion battery with a capacity of 0.5 kWh, which is located under the luggage compartment floor, acts as an energy management center. The mild-hybrid system on the S models has the potential to reduce customer fuel consumption by up to 0.4 liters per 100 kilometers.
    An eight-speed tiptronic and the quattro permanent all-wheel drive make up the drivetrain. If desired, an optional sport differential is available to actively distribute power between the rear wheels. In this way, more power can be directed specifically to the wheel on the outside of the bend when cornering at speed, which combats the tendency to understeer early on. The S sport suspension is standard. With its S-specific setup it provides a sporty driving sensation. This can be enhanced even further with the optional S sport suspension with damper control. Inside and out, a host of design details point to the unique position of the S models – from the exhaust tailpipes to the S mode in the display of the optional Audi virtual cockpit.
    Audi offers the S4 and the S4 Avant with the 3.0 TFSI in markets outside Europe. The turbocharged gasoline direct injection engine has an output of 260 kW (354 PS) and produces a hefty torque of 500 Nm (368.8 lb-ft) from 1,370 to 4,500 rpm. The V6 accelerates the S4 Sedan TFSI from zero to 100 km/h (62.1 mph) in 4.7 seconds on the way to an electronically governed top speed of 250 km/h (155.3 mph). The standard sprint takes two tenths of a second longer in the S4 Avant TFSI.
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    Category : Cars & Tuning

    #2020#audi#a4#s4#sedan#avant#all#road#preview

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