VQ25HR engine

VQ25HR engine  - Fuel recommendation - Capacities and recommended fuel/lubricants - Technical and consumer information - Infiniti G Owners Manual - Infiniti G

INFINITI recommends the use of unleaded premium gasoline with an octane rating of at least 91 AKI (Anti-Knock Index) number (Research octane number 96).

If unleaded premium gasoline is not available, you may use unleaded regular gasoline with an octane rating of at least 87 AKI number (Research octane number 91), but you may notice a decrease in performance.

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