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 Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic 4-spd 6-cyl, 2.7 L | 21 | 18 | 26 |
| Automatic 4-spd 6-cyl, 3.5 L | 20 | 17 | 25 |
| Automatic 5-spd 8-cyl, 5.7 L | 18 | 15 | 23 |
| Automatic 5-spd 8-cyl, 6.1 L | 15 | 13 | 18 |
💵 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 Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic 4-spd 6-cyl, 2.7 L | $3,000 | spend $3,500 more |
| Automatic 4-spd 6-cyl, 3.5 L | $3,150 | spend $4,250 more |
| Automatic 5-spd 8-cyl, 5.7 L | $3,500 | spend $6,000 more |
| Automatic 5-spd 8-cyl, 6.1 L | $4,950 | spend $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 Option | Gas 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 Option | Barrels |
|---|---|
| Automatic 4-spd 6-cyl, 2.7 L | 14 |
| Automatic 4-spd 6-cyl, 3.5 L | 15 |
| Automatic 5-spd 8-cyl, 5.7 L | 17 |
| Automatic 5-spd 8-cyl, 6.1 L | 20 |
💨 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 MPG | 18 |
|---|---|
| Highway MPG | 26 |
| Combined MPG | 21 |
| Save/Spend vs Average Car | Spend $3,500 |
| Fuel Cost | $3,000 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 14 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 2.7 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Large 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 MPG | 17 |
|---|---|
| Highway MPG | 25 |
| Combined MPG | 20 |
| Save/Spend vs Average Car | Spend $4,250 |
| Fuel Cost | $3,150 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 15 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.5 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Large 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 MPG | 15 |
|---|---|
| Highway MPG | 23 |
| Combined MPG | 18 |
| Save/Spend vs Average Car | Spend $6,000 |
| Fuel Cost | $3,500 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 17 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 5.7 |
| Transmission | Automatic 5-spd |
| Vehicle Class | Large 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 MPG | 13 |
|---|---|
| Highway MPG | 18 |
| Combined MPG | 15 |
| Save/Spend vs Average Car | Spend $13,250 |
| Gas Guzzler Tax | $4,500 |
| Fuel Cost | $4,950 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 20 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 6.1 |
| Transmission | Automatic 5-spd |
| Vehicle Class | Large 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.
<a href="https://mpgbuddy.com/cars/chrysler/300c-srt-8/2005">2005 Chrysler 300C/SRT-8 MPG and Fuel Economy</a>
"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.