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If you're wondering what kind of fuel to use for a 2010 Subaru Legacy, you're in the right place. If your model has a turbo, it's best to go with premium unleaded gasoline rated at 91 octane or higher. For non-turbo models, regular unleaded gasoline with an octane rating of 87 is recommended. Your vehicle will perform at its best when using the gas specified in the owner's manual. It's important to avoid driving with low fuel for extended periods, as this can harm both your fuel pump and your finances.
For regular 2010 Legacy models, you should use gas with an octane level of 87 or above. However, for turbo models, it is recommended to use gas with an octane level of 93 or higher. Subaru advises that if 93 octane gas is not accessible, you can use 91 octane instead, but this might impact engine performance. Although not recommended, you can temporarily use 87 octane for turbo engines until the next refueling.