2004 Honda Insight MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2004 Honda Insight.

The 2004 Honda Insight has 2 model options: Automatic (variable gear ratios) 3-cyl, 1.0 L and Manual 5-spd 3-cyl, 1.0 L.

The 2004 Honda Insight Automatic (variable gear ratios) 3-cyl, 1.0 L runs on regular gasoline and is in the Two Seaters car class.

The 2004 Honda Insight Manual 5-spd 3-cyl, 1.0 L runs on regular gasoline and is in the Two Seaters car class.

🛣 How Many Miles per Gallon (MPG) Does a 2004 Honda Insight Get?

Across all models, the combined average MPG for the 2004 Honda Insight is 50 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Automatic (variable gear ratios) 3-cyl, 1.0 L474549
Manual 5-spd 3-cyl, 1.0 L524858

💵 What is the Average Yearly Fuel Cost for a 2004 Honda Insight?

The average fuel costs for all models of the 2004 Honda Insight is $1,275.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2004 Honda Insight to an average vehicle over 5 years, you will save $5,125 on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Automatic (variable gear ratios) 3-cyl, 1.0 L$1,350save $4,750
Manual 5-spd 3-cyl, 1.0 L$1,200save $5,500

🛢 How Many Barrels of Petroleum Does a 2004 Honda Insight Consume?

Across all models, the average number barrels of petroleum that the 2004 Honda Insight will consume in one year is 6 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Automatic (variable gear ratios) 3-cyl, 1.0 L6
Manual 5-spd 3-cyl, 1.0 L6

💨 How Many Grams of CO2 Does a 2004 Honda Insight Emit?

The 2004 Honda Insight will emit an average of about -15,000 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 1 tree would be needed to offset emissions from the 2004 Honda Insight.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2004 Honda Insight model options.

Automatic (variable gear ratios) 3-cyl, 1.0 L

The table below contains all of the details we have for the 2004 Honda Insight Automatic (variable gear ratios) 3-cyl, 1.0 L:

City MPG45
Highway MPG49
Combined MPG47
Save/Spend vs Average CarSave $4,750
Fuel Cost$1,350
Fuel Type 1Regular
ATV TypeHybrid
Barrels of Petroleum6
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders3
Displacement1
TransmissionAutomatic (variable gear ratios)
Vehicle ClassTwo Seaters
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Manual 5-spd 3-cyl, 1.0 L

The table below contains all of the details we have for the 2004 Honda Insight Manual 5-spd 3-cyl, 1.0 L:

City MPG48
Highway MPG58
Combined MPG52
Save/Spend vs Average CarSave $5,500
Fuel Cost$1,200
Fuel Type 1Regular
ATV TypeHybrid
Barrels of Petroleum6
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders3
Displacement1
TransmissionManual 5-spd
Vehicle ClassTwo Seaters
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2004 Honda Insight MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/honda/insight/2004.

  • "2004 Honda Insight MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/honda/insight/2004. Accessed January 3, 2026.

  • 2004 Honda Insight MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/honda/insight/2004.