2014 Audi S4 and S5 - lighter and using turbo engines

2014 Audi S4 and S5 - lighter and using turbo engines

We already knew that Audi was moving the S4 and the S5 from V8 engines to smaller, lighter turbo V6 units . But now Car and Driver is reporting that the V6s are just a stairstep on the way to reducing the cylinders by half.

This does make sense. Audis have become a little portly in their pursuits for horsepower. For example, the 2010 S5 Cabriolet weighs in at 4300, which is about as much as a Ford Explorer .

Audi acknowledges that this weight disadvantage could really hurt it in the future, and is now taking great steps to fix it. When the new S4/S5 appears in 2014, it will incorporate more aluminum, magnesium, and high-strength steel for weight reduction. It will also switch to turbocharged four-cylinder engines. The result will be a car that has 20 percent less weight and up to 30 percent less engine displacement.

While we’re usually not fan of smaller engines, Audi does seem to have a good guide to follow. The current TT lineup doesn’t have to cross into six-cylinder territory to get 340 hp with the TT RS .

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