Honda Civic Si 4Dr MPG and Fuel Economy

Honda have been manufacturing models of Civic Si 4Dr for 2 years, with the latest vehicle in 2018 having a combined MPG of 32.

The estimated fuel cost for the 2018 Honda Civic Si 4Dr is $2,300 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will save $0 on fuel driving a 2018 Honda Civic Si 4Dr.

🛢 The Honda Civic Si 4Dr will consume roughly 9 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Honda Civic Si 4Dr will emit 279 grams of CO₂, which is about 4,185,000 grams of CO₂ per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO₂ per year. This means that roughly 200 trees would be needed to offset emissions from the Honda Civic Si 4Dr.

The table below is a complete list of the 2 Honda Civic Si 4Dr fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

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