The 2014 Honda Civic Si is rated by the EPA at 22 mpg in the city, 31 mpg on the highway, for a combined figure of 25 mpg. These figures apply to the manual-transmission Si and can vary with driving style and conditions.
EPA fuel economy estimates for the 2014 Civic Si
The U.S. EPA provides separate fuel economy estimates for city, highway and combined driving. For the 2014 Civic Si (manual transmission), these figures are typically cited as follows:
- City: 22 miles per gallon
- Highway: 31 miles per gallon
- Combined: 25 miles per gallon
Note that these numbers reflect standard testing conditions and the manual transmission variant. Real-world results can vary based on driving style, terrain, and vehicle condition.
Real-world fuel economy
In everyday driving, owners commonly see a mix of highway and city miles that yields results near the combined figure, with variations depending on how aggressively the car is driven and how well it is maintained.
- Mix of city and highway driving with moderate speeds: 23–28 mpg combined
- Highway-focused trips with light traffic: 28–32 mpg combined
- Urban commuting with frequent stops: 20–24 mpg combined
Because the Si prioritizes performance, its mpg can be lower in spirited driving compared to base Civic models. Real-world numbers often hover around the mid-20s.
Tips to maximize MPG in the 2014 Civic Si
Owners can edge closer to or above the EPA figures by adopting efficient driving habits and proper maintenance.
- Keep tires inflated to the recommended pressure for better fuel economy
- Perform regular maintenance, including spark plugs and air filters
- Drive smoothly: steady acceleration, gradual braking, and fewer short trips
- Use cruise control on long highway stretches when appropriate
- Limit idling and warm-up time, especially in cold weather
With consistent maintenance and mindful driving, you can maximize fuel efficiency while enjoying the Si’s performance characteristics.
Summary
The 2014 Honda Civic Si, with a manual transmission, is EPA-rated at 22 mpg city, 31 mpg highway and 25 mpg combined. Real-world mpg typically falls in the mid-20s, influenced by driving style and conditions. By maintaining the car and adopting efficient driving habits, owners can approach the EPA targets and optimize daily fuel economy.