2005 Chrysler 300C/SRT-8 MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2005 Chrysler 300C/SRT-8.

The 2005 Chrysler 300C/SRT-8 has 4 model options: Automatic 4-spd 6-cyl, 2.7 L, Automatic 4-spd 6-cyl, 3.5 L, Automatic 5-spd 8-cyl, 5.7 L and Automatic 5-spd 8-cyl, 6.1 L.

The 2005 Chrysler 300C/SRT-8 Automatic 4-spd 6-cyl, 2.7 L runs on regular gasoline and is in the Large Cars car class.

The 2005 Chrysler 300C/SRT-8 Automatic 4-spd 6-cyl, 3.5 L runs on regular gasoline and is in the Large Cars car class.

The 2005 Chrysler 300C/SRT-8 Automatic 5-spd 8-cyl, 5.7 L runs on regular gasoline and is in the Large Cars car class.

The 2005 Chrysler 300C/SRT-8 Automatic 5-spd 8-cyl, 6.1 L runs on premium gasoline and is in the Large Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2005 Chrysler 300C/SRT-8 Get?

Across all models, the combined average MPG for the 2005 Chrysler 300C/SRT-8 is 19 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 4-spd 6-cyl, 2.7 L211826
Automatic 4-spd 6-cyl, 3.5 L201725
Automatic 5-spd 8-cyl, 5.7 L181523
Automatic 5-spd 8-cyl, 6.1 L151318

💵 What is the Average Yearly Fuel Cost for a 2005 Chrysler 300C/SRT-8?

The average fuel costs for all models of the 2005 Chrysler 300C/SRT-8 is $3,650.

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 2005 Chrysler 300C/SRT-8 to an average vehicle over 5 years, you will spend $6,750 more 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 4-spd 6-cyl, 2.7 L$3,000spend $3,500 more
Automatic 4-spd 6-cyl, 3.5 L$3,150spend $4,250 more
Automatic 5-spd 8-cyl, 5.7 L$3,500spend $6,000 more
Automatic 5-spd 8-cyl, 6.1 L$4,950spend $13,250 more

The 2005 Chrysler 300C/SRT-8 is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The tables below show how much you can expect to pay in Gas Guzzler taxes.

Model OptionGas Guzzler Tax
Automatic 5-spd 8-cyl, 6.1 L$4,500

🛢 How Many Barrels of Petroleum Does a 2005 Chrysler 300C/SRT-8 Consume?

Across all models, the average number barrels of petroleum that the 2005 Chrysler 300C/SRT-8 will consume in one year is 17 barrels.

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

Model OptionBarrels
Automatic 4-spd 6-cyl, 2.7 L14
Automatic 4-spd 6-cyl, 3.5 L15
Automatic 5-spd 8-cyl, 5.7 L17
Automatic 5-spd 8-cyl, 6.1 L20

💨 How Many Grams of CO2 Does a 2005 Chrysler 300C/SRT-8 Emit?

The 2005 Chrysler 300C/SRT-8 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 2005 Chrysler 300C/SRT-8.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 4 2005 Chrysler 300C/SRT-8 model options.

Automatic 4-spd 6-cyl, 2.7 L

The table below contains all of the details we have for the 2005 Chrysler 300C/SRT-8 Automatic 4-spd 6-cyl, 2.7 L:

City MPG18
Highway MPG26
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders6
Displacement2.7
TransmissionAutomatic 4-spd
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 6-cyl, 3.5 L

The table below contains all of the details we have for the 2005 Chrysler 300C/SRT-8 Automatic 4-spd 6-cyl, 3.5 L:

City MPG17
Highway MPG25
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Barrels of Petroleum15
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders6
Displacement3.5
TransmissionAutomatic 4-spd
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 5-spd 8-cyl, 5.7 L

The table below contains all of the details we have for the 2005 Chrysler 300C/SRT-8 Automatic 5-spd 8-cyl, 5.7 L:

City MPG15
Highway MPG23
Combined MPG18
Save/Spend vs Average CarSpend $6,000
Fuel Cost$3,500
Fuel Type 1Regular
Barrels of Petroleum17
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement5.7
TransmissionAutomatic 5-spd
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 5-spd 8-cyl, 6.1 L

The table below contains all of the details we have for the 2005 Chrysler 300C/SRT-8 Automatic 5-spd 8-cyl, 6.1 L:

City MPG13
Highway MPG18
Combined MPG15
Save/Spend vs Average CarSpend $13,250
Gas Guzzler Tax$4,500
Fuel Cost$4,950
Fuel Type 1Premium
Barrels of Petroleum20
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement6.1
TransmissionAutomatic 5-spd
Vehicle ClassLarge Cars
Start/Stop?No
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.

  • "2005 Chrysler 300C/SRT-8 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/chrysler/300c-srt-8/2005.

  • "2005 Chrysler 300C/SRT-8 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/chrysler/300c-srt-8/2005. Accessed January 3, 2026.

  • 2005 Chrysler 300C/SRT-8 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/chrysler/300c-srt-8/2005.