Now Audi has launched a new S4 based on the latest-generation A4. As with the new A4, this car represents a significant step forward in many respects, even if it's not recognizable as an all-new ...

Under the 2018 S4's hood is a 3.0-liter turbo-six that produces 354 hp and ... which uses a now-discontinued comfort-oriented version of Audi's adaptive suspension, but the S4's system is still ...

First Drive: 2018 Audi S4 with New 354-hp Turbo V6 Now based on the latest-generation Audi A4 sedan, the revised-for-2018 S4 shares much of its makeup with the SQ5 and the S5 Sportback ...

We'll assume raucous behavior will be reserved for the RS versions—the 2018 Audi RS5 made its debut recently in Geneva with a 2.9-liter twin-turbo V-6, but we haven't heard it yet. The S4/S5's ...

The 2018 Audi S4 carves the desert better than a blistering ... The overall weight of this turbo-6 is down 31 pounds from the last-generation Eaton-boosted V-6. Audi engineers have tuned the ...

The new 2018 Audi S4, while slightly larger than even the previous ... exhaust branches for each cylinder bank feeding the turbo. The turbocharger placement inside the 90-degree V of the cylinder ...

The 2018 Audi S4 and S5, are, at their core ... Two big talking points for the new S4/S5 are the reengineered turbo V6, in which the turbo is placed inside the cylinder bank (rather than the outside) ...

When pedaling it hard in Dynamic mode, the drivetrain is fantastic, with no turbo ... for Audi to warrant building them. I know, bummer. But the eight-speed auto is just fine. The new S4 is ...

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Power comes from a twin-turbo 3.0-liter V6 with ... Combined with a stunning interior featuring Audi's Virtual Cockpit, the 2018 S5 Sportback is everything the S4 wanted to be but isn't quite ...

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