What is the compression ratio of the new Sylphy?

[McEmersyn]

Nissan Sylphy 1.6L engine has a compression ratio of 9.8, while the 1.8L engine has a compression ratio of 9.9. Compression ratio: The compression ratio refers to the degree to which the engine's mixed gas is compressed, expressed as the ratio of the total cylinder volume before compression to the cylinder volume after compression (i.e., the combustion chamber volume). Engine compression ratio: An engine with a high compression ratio can better utilize the working characteristics of a piston engine. During the power stroke, the same amount of fuel can generate greater power, allowing a smaller displacement engine to achieve the power output that previously required a larger displacement engine. In other words, high compression ratio engines have higher specific power and fuel efficiency.

[McMatteo]

The compression ratio of the new Sylphy is typically 10.5:1, which is quite important to me as it affects the engine's overall performance. The compression ratio refers to the ratio of the cylinder volume before and after compression. I often notice in car tests that a higher compression ratio can improve fuel efficiency, making the engine more economical. The Sylphy's 10.5:1 setting ensures smooth and powerful performance in daily driving, with smooth acceleration and good fuel economy. If the compression ratio is too high or too low, issues like knocking or insufficient power may arise, but its design is well-balanced, allowing it to run on regular 92-octane gasoline, reducing maintenance hassles. I also think this reflects the dedication of Nissan's engineering team in perfectly blending economy and reliability.

[EzraRose]

As a former owner of the Nissan Sylphy, I remember the compression ratio very clearly—it's 10.5:1. A higher compression ratio means better engine efficiency, and my car has always had low fuel consumption, averaging around 6L per 100km. The power response feels quite quick during daily driving, especially in city traffic where acceleration is smooth without any lag. I recommend new car owners pay attention to this parameter as it reflects long-term durability. The Sylphy is well-designed with a moderate compression ratio, making it less prone to common aging issues. For example, even after three years of driving, my engine remains very stable.

[DonovanFitz]

The compression ratio of the new Sylphy is fixed at 10.5:1. Having worked in a repair shop for many years, I determine maintenance priorities based on the compression ratio. A 10.5:1 ratio isn't too high, which means lower risk of knocking. During routine checks, focus on engine cleanliness and fuel quality. The compression ratio affects power output and efficiency, and the Sylphy is well-tuned in this regard. I've test-driven it multiple times—it starts smoothly without hesitation while maintaining low fuel consumption, which is cost-effective in the long run.