- Newest year: 2005
- Gas
- Large cars
2005 Chrysler 300 SRT8 MPG & Fuel Cost
4 configurations · 15–21 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 8 of 10 large car configurations, MY2005. Ranked against all rated configurations, not sales-weighted.
2005 Chrysler 300 SRT8 at a glance
The 2005 Chrysler 300 SRT8 has 4 configurations in the EPA database, rated 15–21 MPG combined. The most efficient is the 300C/SRT-8 2.7L 6-cyl RWD at 21 MPG, which costs about $3,110 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). Annual fuel cost across the configurations runs from $3,110 to $5,360, a $2,250 difference. The 300C/SRT-8 2.7L 6-cyl RWD costs less to fuel than 8 of 10 large car configurations rated for MY2005 (class median $4,080 a year).
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
What the 2005 300C/SRT-8 2.7L 6-cyl RWD costs to drive
Per month
$259
$3,110 a year ÷ 12
Per 25 miles
$5.18
Per 100 miles
$20.73
Five years
$15,550
5 × the yearly cost, prices held at today's level
vs the large car median
$970less a year
Class median $4,080 a year, MY2005
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2005 Chrysler 300 SRT8 MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 300C/SRT-8 2.7L 6-cyl (Most efficient) | 2.7L 6-cyl | RWD | 18 | 26 | 21 | $3,110 |
| 300C/SRT-8 3.5L 6-cyl | 3.5L 6-cyl | RWD | 17 | 25 | 20 | $3,270 |
| 300C/SRT-8 5.7L 8-cyl | 5.7L 8-cyl | RWD | 15 | 23 | 18 | $3,630 |
| 300C/SRT-8 6.1L 8-cyl | 6.1L 8-cyl | RWD | 13 | 18 | 15 | $5,360 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the 300C/SRT-8 2.7L 6-cyl RWD: $4,230 in California and $2,710 in Texas, a $1,520 difference.
- California $4,230
- Washington $3,920
- New York $3,110
- Florida $2,940
- Texas $2,710
Similar cars
Closest combined MPG among MY2005 large car models.
Generations
Frequently asked questions
What gas mileage does the 2005 Chrysler 300 SRT8 get?
EPA rates the 2005 Chrysler 300 SRT8 at 15–21 MPG combined across 4 configurations. The most efficient, the 300C/SRT-8 2.7L 6-cyl RWD, is rated 21 MPG combined (18 city / 26 highway).
How much does it cost to fuel a 2005 Chrysler 300 SRT8 per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the 300C/SRT-8 2.7L 6-cyl RWD costs about $3,110 a year. Across all 4 configurations the cost runs $3,110–$5,360 a year. That is a $2,250 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2005 Chrysler 300 SRT8 100 miles?
About $20.73 per 100 miles for the 300C/SRT-8 2.7L 6-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $20.73 and $35.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2005 Chrysler 300 SRT8 more efficient in the city or on the highway?
The 300C/SRT-8 2.7L 6-cyl RWD is rated 18 city and 26 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2005 Chrysler 300 SRT8 compare with other large car configurations?
The 300C/SRT-8 2.7L 6-cyl RWD costs about $3,110 a year to fuel, $970 less than the class median of $4,080, and less than 8 of 10 large car configurations. The comparison covers all 56 rated large car configurations for MY2005, not weighted by sales.