CAR GARAGE | 2013 Audi S4 Avant | The Audi A4, with its elegance, sportiness and emotional appeal, forms the centerpiece of the Audi brand. The Audi A4 allroad quattro is distinguished by its chromed grille's horizontal applications and by the round fog lights. Xenon plus headlights are available from Audi on request. The Audi A4 sedan and the Avant each have a length of 4.70 meters (15:42 ft), while the A4 allroad quattro and the S4 are 4.72 meters (15:49 ft) long. The Audi S4, available in the sedan and Avant versions, employs the most powerful engine in the line - the 3.0 TFSI with 245 kW (333 hp) and 440 Nm (324.53 lb-ft) of torque.
The new Audi A4's drive system sets new standards. In the Sedan and the Avant each, Audi TDI offers any of six and four gasoline engines, with 23 possible engine-transmission combinations. All engines are supercharged direct-injection systems; the start-stop system and the recuperation system are standard throughout. The TDI engines combine pioneering pulling power with efficiency, with the four-cylinder versions presenting extensive modifications. The most economical variant in the model of family is the Audi A4 2.0 TDI with 100 kW (136 hp). Both engines are available for the Sedan and the Avant. In Addition, three other four-cylinder diesel engines are available - with 88 kW (120 hp), 105 kW (143 hp) and 130 kW (177 hp). Three V6 TDI units complete the line. The 3.0 TDI with 150 kW (204 hp) (not for the allroad quattro) is the most efficient six-cylinder engine in its class worldwide; in the A4 sedan it consumes an average of just 4.9 liters of fuel per 100 km (48.0 U.S. mpg). The second variant, the 3.0 TDI, 180 kW generates (245 hp), with an especially clean diesel version.
The Audi A4 series also presents the latest state of the art technology in gasoline engines. A new highlight of the family TFSI is the new 1.8-liter engine, available for the Sedan and the Avant. The four-cylinder engine delivers sporty thrust, with a power output of 125 kW (170 hp) and 320 Nm (236.02 lb-ft) of torque. The average consumption in the Audi A4 Sedan is limited to 5.6 liters per 100 km (42.0 U.S. mpg), or 134 grams of CO2 per km (215.65 g / mile). The entry-level gasoline engine is the 1.8 TFSI with 88 kW (120 hp). The 2.0 TFSI - as the only spark-ignition engine also available in the Audi A4 allroad quattro - delivers 155 kW (211 hp). Audi S4 in the sporty top model of its power is an impressive 245 kW (333 hp).
A six-speed manual transmission is standard on the sedan and Avant models with front-wheel drive; most continuously variable multitronic variants offer as an option. The Audi A4 allroad quattro employs a manual transmission or S tronic with all engine versions. All transmissions are distinguished by convenient and precise operation, high efficiency and a wide spread of gear ratios - the long ratios in the higher gears reduces fuel consumption, while the short ratios in the lower gears the benefit dynamics. The quattro permanent all-wheel drive is standard on the Audi A4 allroad quattro, and available in the Sedan and Avant from the 2.0 TDI with 105 kW (143 hp).
