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Kia Rio 2019: Is it economical to run premium petrol?

Is the 2019 Kia Rio economical to run on premium petrol assuming I’m only running around locally?

The Kia Rio only requires 91RON unleaded. The engine is tuned for that octane rating, so you won’t gain anything, apart from more space in your wallet, by switching to 95 or 98RON fuel. Despite every premium petrol marketing campaign suggesting otherwise, running on more expensive fuel won’t gain you any performance or greater fuel economy, so stick with 91.