Fuel Economy: Recommended Fuel: 2023 Audi S8: 14 / 23 / 17 Miles Per Gallon: Premium: 2023 BMW 760i xDrive: 18 / 26 / 21 Miles Per Gallon: The 2023 Audi S8 is powered by a twin-turbocharged V8 The V8 had an EPA fuel economy rating of 14 mpg in the city and 22 mpg on the highway, while the V6 gets 17 mpg in the city and 26 mpg on the highway cycle. Getting back to this 2013 Audi S5 MOTORSPORTS EDITOR MAC MORRISON: To answer one of Raynal's questions, the S5 Cabriolet gets the supercharged six-cylinder for 2010, but the coupe keeps the V8. the 2011, according to Audi, is TBD. Audi continues to increase the efficiency of its engines. The new 4.0 TFSI, a powerful V8 with twin turbochargers, is equipped with “cylinder on demand” technology. When operating at part load, four of its cylinders are deactivated. This reduces fuel consumption by an average of five percent. To complement this system there are two further … Continue reading Audi’s new 4.0 TFSI engine Fuel Economy of 2009 Audi Vehicles. EPA MPG Owner MPG Estimates 2009 Audi 2009 Audi S5 8 cyl, 4.2 L, Manual 6-spd Premium Gasoline: Not Available. oYpa. S5 3.0 V6T Fuel Economy. I have posted earlier stating my interest in ordering the new S5 coupe, to my surprise a few on here have mentioned that the fuel economy of the new engine is slightly suspect and that the official data from Audi is not to be trusted. I have an 08 TTS currently getting 29 MPG average, which I am extremely happy with Audi S5 – (Mateusz Rostek / Shutterstock) The most common signs of bad spark plugs in Audi S5 are poor acceleration or hesitation, rough idle, engine misfires, poor fuel economy, check engine light illuminates, engine knocking noise, and sometimes hard starting. In worst case scenario, if the spark plugs are in really bad condition, the The RS5’s turbocharged V6 petrol engine has an Audi badge glued to it, but it's actually shared with the Porsche Panamera 4S. It feels much more urgent low down in the rev range than the The biggest gains are on the fuel consumption, though, where the figures are lowered with 20% compared to its predecessor. AUDI S5 4.2L V8 FSI Quattro 6AT (354 HP) KBB Fair Purchase Price (nat'l average) Coupe 2D. $73,475. $38,588. For reference, the 2018 Audi RS 5 originally had a starting sticker price of $73,475, with the range-topping RS 5 Coupe 2D

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