- 1 Discover 89 octane vs 91 octane priceline.com/search Find Awesome Results For 89 octane vs 91 octane!
- 2 Search: 89 octane vs 91 octane amazon.com/deals Find 89 octane vs 91 octane on amazon.com.
- 3 89 octane vs 91 octane - Wikipedia - Learn about 89 octane vs 91 octa en.wikipedia.org/wiki The history of 89 octane vs 91 octane describes the efforts in the 1970s and 1980s to build small...
If your Mercedes owner’s manual recommends 91 octane, but says 89 octane should be fine, you can use 89 octane without doing any real harm. However, if the owner’s manual says to only use 91 octane, you could damage your engine with the cheaper gas. Your Mercedes is an expensive vehicle.
The 89 octane will not harm the engine in any way but you will get decreased gas mileage and less performace. You will be filling your car more often and it will end up costing you more than if you had used 91 octane in the first place.
87 vs 91 Octane Gas. When it comes to gas, you can choose between a lower octane gas or opt for a higher octane rating. Two common octane ratings are 87 and 91. The main difference between 87 and 91 octane gas is just the additive that they add to it.
There's a reason why Honda placed a sticker saying "Premium Unleaded Fuel Only" on the gas door and recommends 89 octane or higher in the owner's manual. The issue of 89 vs 91 depends on where you fill up. Some gas stations have 89 and other have 91 as their "middle" grade.
The common fuel ratings (87, for instance) refer to the composition of gasoline. 87-octane gasoline is comprised of an 87 percent blend of isooctane and 13 percent n-heptane, or a blend that's ...
87, 89, 91, and 93 Octane Gasoline. Ron Elmy/Getty Images. Laws regulating which octane levels can be listed as premium, midgrade, or regular vary from state-to-state. Premium gas is usually considered to be any gasoline that has an octane level of 91 or higher. You’ll usually see these listed on pumps as 91 or 93.