Audi Unveils New 1.8 TFSI: 170 HP, 41 MPG (for A5 etc.)
#1
Audi Unveils New 1.8 TFSI: 170 HP, 41 MPG (for A5 etc.)
![](http://images.thecarconnection.com/lrg/new-1-8-tfsi-turbocharged-four-cylinder-for-the-audi-a5_100358354_l.jpg)
Audi has revealed the details on the newest engine in the company's portfolio. The 1.8-liter, direct-injection, turbocharged gasoline four-cylinder produces an impressive 170 horsepower and 236 pound-feet of torque while returning 41.27 mpg in the A5 on the U.S. scale. That's a reduction in fuel consumption of as much as 21 percent compared to the outgoing engine, thanks in part to the clever use of both direct and indirect injection. In part-load range, fuel is injected into the intake runners where it's swirled with air just like in the good old days. Audi says that the design reduces fuel consumption and particulate emissions.
The direct-injection system handles fuel duty at low and high loads, and as a result, the 1.8 TFSI already conforms to the Euro 6 standard, which isn't set to take effect until 2015. In addition, a full electronic coolant regulation system reduces parasitic drag and adjusts coolant flow to accommodate a range of air temperatures. Audi engineers also managed to reduce internal friction for additional efficiency.
#6
170hp is hardly fun. thats ford fusion category. 41 mpg is pretty impressive though. let's see what audi can do with their larger engines. i would like to see a 200-220 hp engine making 35mpg.
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