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What does 45tfsi mean?

1 Answers

LeLaura

07/25/25 7:56am

45tfsi refers to: The number 45 does not represent displacement, but is a naming method derived from converting the G-value of 0-100 km/h acceleration, serving as a quantitative measure of the vehicle's acceleration; tfsi stands for turbocharging plus direct fuel injection. The G-value is used to represent the overall acceleration sensation of the vehicle model, with larger numbers indicating faster acceleration. The magnitude of the G-value is calculated by multiplying the average acceleration value (a) required for the vehicle to complete the 0-100 km/h acceleration by 10. tfsi refers to an FSI engine equipped with a turbocharger (T), a term commonly used in Audi series models. In the Volkswagen series, engines with direct injection (I), turbocharging (T), and mechanical (S) twin-charging are abbreviated as TSI, meaning fuel stratified injection, which is a type of lean-burn technology for engines.

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