What grade of gasoline should the Roewe 550 use?

1 Answers
PrestonLynn
07/30/25 4:11am
Roewe 550 should use 92-octane gasoline. Here are the specific details: Introduction: The Roewe 550 requires 92-octane gasoline. 92-octane gasoline consists of approximately 92% isooctane and 8% n-heptane. Since isooctane has better anti-knock properties and n-heptane has poorer anti-knock properties, a higher octane rating indicates better anti-knock performance of the gasoline. Important Notes: The choice of gasoline grade should be based on the engine's compression ratio. Blindly using higher-octane fuel will not utilize its superior anti-knock advantages and will result in unnecessary expenses. Additionally, using gasoline that does not match the compression ratio may cause premature detonation of the fuel mixture during piston compression, affecting the vehicle's performance.
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