What does Audi Q5 45TFSI mean?

1 Answers
OWillow
07/29/25 11:41am
45TFSI indicates that Audi has adjusted the displacement labeling for its models in the Chinese market. Instead of using the traditional naming method based on displacement like 1.8T, 2.0T, or 2.4, it now adopts a numerical naming system derived from the G-value conversion of the 0-100 km/h acceleration. Introduction to Engine Displacement: Displacement, a specialized term in hydraulic transmission, refers to the volume of fluid intake or exhaust per stroke or cycle. Engine displacement is a crucial parameter for measuring a vehicle. Some domestically produced cars do not display the model type at the rear, but their displacement is usually indicated on the body or rear. Displacement Classification: In China, the classification of passenger cars is determined by engine displacement. Mini cars have a displacement of ≤1.0 liters; compact cars range from 1.0 to 1.6 liters; midsize cars range from 1.6 to 2.5 liters; executive cars range from 2.5 to 4.0 liters; and luxury cars have a displacement of >4.0 liters.
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