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Jul 10, 2023 · Find out now with the lessons learned from a practical test comparing 87, 91, and 93-octane for fuel efficiency and horsepower.
- Timothy Boyer
Mar 8, 2022 · If you buy a car that requires 93 octane gasoline, you're going to spend 25-40 cents more per gallon at every fill-up for the life of your car. One of reasons some engines can produce a lot of power for their size is that they compress the fuel air mixture at much higher pressure.
Aug 4, 2019 · We tested higher octane fuel than manufacturers require on the Honda CR-V, BMW M5, Ford F-150, and Dodge Charger to see if it impacted acceleration or MPG.
- etingwall@hearst.com
- Print Director
Aug 18, 2024 · Increasing pressure in the cylinder allows an engine to extract more mechanical energy from a given air/fuel mixture but requires higher octane fuel to keep the mixture from pre-detonating.
May 11, 2022 · “If you have gasoline that’s rated at 85 or 86 and the manufacturer suggests octane at 91 or 93, an octane booster may be just the thing. Similarly, if you own a vintage car with an...
Apr 8, 2016 · Finding the perfect octane rated fuel for your vehicle can help improve mpg as well as make the car run a bit smoother. The octane rating is the measure of a fuel’s ability to prevent or resist “knocking” during the combustion phase.
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While the cost difference may vary depending on location and market conditions, 91 octane fuel is typically more affordable and widely available. If your vehicle does not require 95 octane fuel, opting for 91 octane can help save money without compromising performance or efficiency.