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What's the difference between FSI and TSI? - European Auto Repair in Salt Lake City | www.alexsautohaus.com | (801) 566-6115European Auto Repair in Salt Lake City | www.alexsautohaus.com | (801) 566-6115
2017 Audi A4 ultra with Millerized 2.0 TFSI offers 31 mpg combined; highest EPA-estimated fuel economy in competitive segment - Green Car Congress
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