2017 Audi A4 ultra with Millerized 2.0 TFSI offers 31 mpg combined; highest EPA-estimated fuel economy in competitive segment
Green Car Congress
AUGUST 17, 2016
Audi’s 2017 A4 ultra leverages the Millerized 2.0-liter l/100 km) combined EPA-estimated fuel economy. TFSI is the result of Audi’s Millerized combustion method with shorter compression and longer expansion phases as well as increased compression. liter TFSI engine ( earlier post ) to achieve 27 mpg (8.7
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