MPG & Fuel Economy Data
The 2025 Honda Civic 4Dr has an estimated 36.0 MPG combined. This regular gasoline-powered vehicle offers 32.0 MPG in the city and 41.0 MPG on the highway. Check out its full EPA-estimated fuel economy data below.
Combined36.0 MPG
City32.0 MPG
Highway41.0 MPG
CO₂ Emissions248 g/mi
GHG Score7/10
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With a Greenhouse Gas Score of 7/10, the 2025 Honda Civic 4Dr demonstrates excellent environmental performance in its class. This high score indicates a significant reduction in greenhouse gas emissions compared to other vehicles.
The vehicle produces approximately 248 grams of CO₂ per mile under typical driving conditions. This is a relatively low carbon footprint for its class.
This midsize cars features a 2.0L 4-cylinder engine, paired with a automatic (variable gear ratios) transmission and front-wheel drive drivetrain. It includes start-stop technology to improve fuel efficiency in city driving conditions.
To achieve the best fuel economy in your 2025 Honda Civic 4Dr, consider these tips:
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This Fuel Savings Calculator tool is provided for informational and educational purposes only. The MPG data used is sourced from the U.S. Environmental Protection Agency (EPA), an official government resource, and while efforts are made to ensure accuracy, discrepancies or updates may occur. Calculations are based on standard assumptions and estimates, which may not reflect individual circumstances or real-world conditions. Users are responsible for verifying results with their own data and should consult additional resources or/and professionals for critical decisions. This tool is provided "as is" without warranties of any kind, and the developers disclaim any liability for decisions or actions taken based on its output. The tool may be updated or modified without notice, affecting its functionality or results. By using this tool, you acknowledge and agree to these terms.
The 2025 Honda Civic 4Dr with auto (av-s7) has an estimated 34.0 MPG combined. This auto (av-s7) regular gasoline-powered vehicle offers 31.0 MPG in the city and 39.0 MPG on the highway.
Combined34.0 MPG
City31.0 MPG
Highway39.0 MPG
CO₂ Emissions260 g/mi
GHG Score7/10
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When using regular gasoline, the 2025 Honda Civic 4Dr with auto (av-s7) has a carbon footprint of 260 grams of CO₂ per mile. Its Greenhouse Gas Score of 7/10 indicates its relative environmental impact, with higher scores representing lower emissions.
These environmental metrics reflect the vehicle's efficiency in auto (av-s7) configuration. The CO₂ emissions measurement provides a direct indicator of the vehicle's contribution to greenhouse gases, while the GHG score offers a standardized comparison with other vehicles in its class.
This variant includes start-stop technology, which can help reduce emissions and fuel consumption during city driving by automatically shutting off the engine when the vehicle is stationary.
This midsize cars with auto (av-s7) features a 2.0L 4-cylinder engine and front-wheel drive drivetrain. It includes start-stop technology to improve fuel efficiency in city driving conditions.
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The 2025 Honda Civic 4Dr with manual 6-spd has an estimated 31.0 MPG combined. This manual 6-spd premium gasoline-powered vehicle offers 27.0 MPG in the city and 37.0 MPG on the highway.
Combined31.0 MPG
City27.0 MPG
Highway37.0 MPG
CO₂ Emissions285 g/mi
GHG Score6/10
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When using premium gasoline, the 2025 Honda Civic 4Dr with manual 6-spd has a carbon footprint of 285 grams of CO₂ per mile. Its Greenhouse Gas Score of 6/10 indicates its relative environmental impact, with higher scores representing lower emissions.
These environmental metrics reflect the vehicle's efficiency in manual 6-spd configuration. The CO₂ emissions measurement provides a direct indicator of the vehicle's contribution to greenhouse gases, while the GHG score offers a standardized comparison with other vehicles in its class.
This variant includes start-stop technology, which can help reduce emissions and fuel consumption during city driving by automatically shutting off the engine when the vehicle is stationary.
This midsize cars with manual 6-spd features a 1.5L 4-cylinder engine and front-wheel drive drivetrain. It includes start-stop technology to improve fuel efficiency in city driving conditions. And it has a turbocharged engine for improved power and efficiency.
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36.0 MPG
View detailed fuel economy data
37.0 MPG
View detailed fuel economy data
35.0 MPG
View detailed fuel economy data
These vehicles are in the same class (Midsize Cars) and offer comparable fuel economy ratings.