The Car RON Requirement list

The following list has been compiled based on confirmations and unofficial discussions with some car companies. In some cases, even though an engine may be originally tuned to run on fuel with a certain RON, its age and condition may require a higher RON grade to avoid knocking. Some engines may also have knock sensors which can automatically adjust ignition timing if knocking is detected but this will result in some reduction in power output. If in doubt, do contact the car company dealing with your model.



NOTES:

Most Mercedes-Benz engines, except the high-performance ones in the AMG and SL/SLK models, are able to run on fuel with RON91 to RON95. However, for optimum performance, RON95 is recommended while use of RON92 will result in marginally reduced output

For the Cefiro 3.0, Murano, 350Z/370Z, RON97 is recommended for optimum performance. For older models such as the Sunny 130Y, Bluebird, Altima and AD Resort, RON95 can be used

olvo engines can use RON91 to 98 RON unleaded petrol. Volvo Car Malaysia says that for best performance and lowest fuel consumption, RON98 (or closest RON) is recommended. For normal driving, RON95 is acceptable and knock sensors in the engines will adjust the engine timing to prevent damage if the RON is too low.

http://www.motortrader.com.my/NUS/articles/article_1977/page_m.asp
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