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UPDATED ON 29/8/09 with addition of Alfa Romeo, Mazda and Suzuki models
The following list has been compiled based on confirmations and unofficial discussions with some car companies. MTM Multimedia Sdn Bhd and its employees do not accept any liability or responsibility for any effect arising from use of this information. 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.
This list will be updated as often as possible when we get more confirmations from the car companies so do check back regularly.
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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
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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
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Volvo 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.
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Related articles:
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Chevron Malaysia kicks off Caltex RON95 campaign
FAQ on RON95 by Caltex
BHPetrol infiniti952x | Caltex Premium 95 with Techron
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