- Newest year: 2003
- Gas
- Midsize cars
2003 Audi RS 6 MPG & Fuel Cost
1 configuration · 16 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest midsize car configurations to fuel, MY2003. Ranked against all rated configurations, not sales-weighted.
2003 Audi RS 6 at a glance
The 2003 Audi RS 6 has 1 configuration in the EPA database, rated 16 MPG combined. The most efficient is the RS6 4.2L 8-cyl turbo 4WD at 16 MPG, which costs about $5,020 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The RS6 4.2L 8-cyl turbo 4WD is among the costliest midsize car configurations to fuel for MY2003 (class median $3,540 a year).
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
What the 2003 RS6 4.2L 8-cyl turbo 4WD costs to drive
Per month
$418
$5,020 a year ÷ 12
Per 25 miles
$8.37
Per 100 miles
$33.47
Five years
$25,100
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,480more a year
Class median $3,540 a year, MY2003
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2003 Audi RS 6 MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RS6 (Most efficient) | 4.2L 8-cyl turbo | 4WD | 14 | 20 | 16 | $5,020 |
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 RS6 4.2L 8-cyl turbo 4WD: $5,990 in California and $4,350 in Texas, a $1,640 difference.
- California $5,990
- Washington $5,630
- New York $4,960
- Florida $4,590
- Texas $4,350
Similar cars
Closest combined MPG among MY2003 midsize car models.
Generations
- 2003
Frequently asked questions
What gas mileage does the 2003 Audi RS 6 get?
EPA rates the 2003 Audi RS 6 at 16 MPG combined across 1 configuration. The most efficient, the RS6 4.2L 8-cyl turbo 4WD, is rated 16 MPG combined (14 city / 20 highway).
How much does it cost to fuel a 2003 Audi RS 6 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the RS6 4.2L 8-cyl turbo 4WD costs about $5,020 a year. Across all 1 configuration the cost runs $5,020 a year.
How much does it cost to drive a 2003 Audi RS 6 100 miles?
About $33.47 per 100 miles for the RS6 4.2L 8-cyl turbo 4WD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2003 Audi RS 6 more efficient in the city or on the highway?
The RS6 4.2L 8-cyl turbo 4WD is rated 14 city and 20 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2003 Audi RS 6 compare with other midsize car configurations?
The RS6 4.2L 8-cyl turbo 4WD costs about $5,020 a year to fuel, $1,480 more than the class median of $3,540, and less than 0 of 10 midsize car configurations. The comparison covers all 90 rated midsize car configurations for MY2003, not weighted by sales.