What is the compression ratio of the Audi A3 engine?

1 Answers
MacCayden
07/30/25 10:09am
Theoretically, the optimal air-fuel ratio is 14.7:1, but in reality, few vehicles achieve this. However, in Audi and Volkswagen's direct injection engines, it can range between 13:1 and 17:1. Introduction to Compression Ratio: To describe the technical parameters of an engine, power and torque can be roughly used as indicators. However, many factors influence the output of power and torque, and one important factor is the engine's compression ratio. Definition of Compression Ratio:
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