Can Volkswagen Tiguan Use 92 Octane Gasoline?
2 Answers
Volkswagen Tiguan is not recommended to use 92 octane gasoline. The Tiguan generally requires 95 octane gasoline, as 92 octane gasoline is not conducive to the engine providing power for the vehicle. The difference between 95 octane and 92 octane gasoline: 95 octane gasoline consists of 5% n-heptane and 95% isooctane, while 92 octane gasoline consists of 8% n-heptane and 92% isooctane. The higher the octane number of gasoline, the stronger its anti-knock performance, but the price will also be higher. 95 octane gasoline has a higher octane number than 92 octane gasoline, so in terms of stability, 95 octane gasoline burns more easily than 92 octane gasoline and delivers greater power output. 95 octane and 92 octane gasoline should not be mixed for long-term use: in occasional special circumstances where the two types of gasoline are mixed, there generally won't be any major issues, but long-term use can cause knocking, insufficient power, and other problems. Similarly, a car that usually uses 95 octane gasoline will not have major issues if it occasionally uses 92 octane gasoline, but long-term use will increase the frequency of knocking and accelerate engine wear.
Cars like the Volkswagen Tiguan generally require 95-octane gasoline and should not be filled with 92-octane fuel casually. As you can see, higher-octane gasoline like 95 has stronger anti-knock properties, making the engine run more smoothly. Using 92-octane fuel, which has a lower octane rating, can easily cause knocking—abnormal combustion inside the engine. Over time, this can damage components like pistons and cylinder blocks and may even trigger the check engine light. I used to drive a turbocharged car, and the manual clearly stated a minimum requirement of 95-octane fuel. Using lower-octane fuel not only reduces performance but also doesn’t save much money—instead, it could lead to costly repairs worth thousands. Regularly using the correct gasoline can extend the engine’s lifespan by over five years, so don’t try to cut corners and invite trouble.
