Audi A4 (B9)
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Audi A4 – a sedan class «D» with front or all-wheel drive. The debut of the fifth generation of the model took place in June 2015.
Professing a conservative approach to design, the company Audi did not create revolutions in the exterior of the A4, focusing instead on the technical modernization of the sedan. It was built on the B9 platform with five-link suspension front and rear. The front suspension arms and the lion’s share of its other parts are made of forged aluminum. Upper arms for greater stiffness of the entire system are mounted directly to the body. And in order to reduce the weight of the whole structure, the engineers used thin-stabilizer in the front suspension, the new hub, monotube shock absorbers, subframe made of aluminum and high-strength steel, modernized electromechanical power steering with variable gear ratio, and many other details, the approach to the production of which has been revised.
The drive from the A4 2016 can be both front and complete. In the second case, a limited slip differential shares the central rod in a proportion of 40:60 in favor of the rear axle, and if necessary, can be fed forward up to 70% of the available thrust and back – up to 85%. Some motors can buy sports and active rear differential. Plus, optional sedan can be equipped with adaptive dampers, pre-selecting the character of the car – comfortable or sporty. In the first case the suspension will be lowered by 10 mm in comparison with the base, and in the second – 23 mm.
We should also say that the creators of the Audi A4 have achieved best-in-class drag coefficient – 0.23.
The motor range Audi A4 2017, there are at least seven engines (at the time of the start of sales) – three petrol and four diesel. extensive power range – from 150 to 272 liters. s, as well as the torque range -. 250 to 600 Nm. The most fuel-efficient engine consumes just 3.7 liters of fuel per 100 kilometers. And the most dynamic version accelerates from zero to 100 km / h in 5.3 seconds. There are three transmissions – 6-speed manual, 7-step “robot» Stronic and 8-step “automatic» Tiptronic function with coasting.