The 2018 Honda Accord Sport holds 14.8 gallons of fuel.
Honda’s official specifications list the 2018 Accord’s fuel tank capacity at 14.8 gallons (approximately 56 liters). This figure applies across the Sport trim and its two common engine options for that model year—the 1.5-liter turbocharged engine and the available 2.0-liter turbocharged engine—and is consistent with Honda’s spec sheets.
Understanding the impact of tank size
Tank capacity sets the upper limit on how far you can travel between fills, depending on driving style and engine choice. The 14.8-gallon tank offers a practical balance for everyday commuting and longer trips in the 2018 Accord Sport.
Notes on trims and configurations
In 2018, the Accord Sport was offered with the 1.5L turbo and the 2.0L turbo; however, the fuel tank capacity remained the same—14.8 gallons—for the model year across these configurations, based on Honda’s official data.
Summary
Final take: The 2018 Honda Accord Sport holds 14.8 gallons of gasoline, a standard capacity for that model year regardless of engine option.