Should Roewe use 92 or 95 octane gasoline?
3 Answers
Roewe recommends using gasoline with an octane rating of 92 or above, so generally using 92 octane gasoline is sufficient. Below is an extended introduction: Recommended octane rating and above: Use automotive gasoline that complies with national mandatory standards and the recommended octane rating. Using lower octane fuel may cause severe damage to the engine and catalytic converter, reduce engine power and torque, and increase fuel consumption. If lower octane gasoline is used, engine knocking noises may be heard, so it is advised to switch to the recommended octane rating or higher as soon as possible. Use gasoline suitable for the compression ratio: For vehicles with high compression ratios, using lower octane fuel not only damages the vehicle but also increases fuel consumption. Conversely, using higher octane gasoline in vehicles with lower compression ratios not only wastes money but also leads to slower ignition, prolonged combustion time, reduced power, and even damage to the exhaust manifold. Only by using gasoline that matches the vehicle's compression ratio can engine power be improved, driving range increased, and fuel consumption reduced.
I've been driving a Roewe for ten years and always use 92-octane fuel. The manufacturer's manual clearly states that 92-octane or higher is suitable, which means the engine is designed to run on 92. 95-octane fuel is more expensive, costing about 50 to 60 cents more per liter. Over a year of driving 10,000 kilometers, that adds up to several hundred yuan extra. Some people claim 95-octane offers better performance, but in my experience, the difference is negligible, and 92-octane doesn’t harm the engine at all. As long as you avoid non-standard fuels like 88-octane and stick to the 92-octane label on the fuel cap, you’re good. Isn’t it better to save that money for tire maintenance?
Over the years of repairing cars, I've seen many Roewe owners asking about refueling. It's actually quite simple. Just check the owner's manual or the sticker inside the fuel filler cap, which clearly states 92 octane or higher unleaded gasoline. This means you can start with 92, and 95 is also acceptable, but never go below 92. Roewe's engine compression ratio is designed to work with 92 octane fuel, and using 95 won't provide any additional advantages. Of course, if you frequently drive on highways or enjoy aggressive acceleration, using 95 might offer slightly smoother power delivery, but in terms of fuel economy, 92 is more cost-effective. For daily driving, there's no need to pursue higher octane fuel.
