Sometimes, the recommended fuel can be found on a sticker inside the filling cap. Learn about octane numbers PG95 is a 95 Research Octane Number (RON) octane grade gasoline, and PG91 is a 91 RON octane grade gasoline. Mostly, fuels with a higher octane rating are used in high-...
grade gasoline appropriate for higher-performance cars. If you’re not sure of your vehicle’s correct octane rating, check the owner’s manual or ask the manufacturer or dealer where you purchased the vehicle. Sometimes, the recommended fuel can be found on a sticker inside the filling cap....