This UOA is for a 2011 Audi A4 with a turbocharged 2.0L CAEB 4cyl engine running Motul 8100 X-cess 5W40. Vehicle is equipped with an APR Stage 1 ECU tune and is daily driven VERY hard. Customer is a Lyft/Uber driver and racks up mileage very quickly. 50/50 mix of city/hwy driving. Located in the Southeast US. Oil consumption was 3 liters. * Customer went well past our recommended oil service interval.