- Newest year: 2009
- Gas
- Small cars
2008-2009 Audi S5 MPG & Fuel Cost
2 model years · 16–19 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 2 of 10 small car configurations, MY2009. Ranked against all rated configurations, not sales-weighted.
2008-2009 Audi S5 at a glance
The 2008-2009 Audi S5 covers 2 model years in the EPA database (4 configurations in all), rated 16–19 MPG combined. The newest model year, 2009, costs about $4,230 a year to fuel for its most efficient version, the S5 4.2L 8-cyl 4WD (19 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2009.
2008-2009 Audi S5 by model year
What the 2009 S5 4.2L 8-cyl 4WD costs to drive
Per month
$353
$4,230 a year ÷ 12
Per 25 miles
$7.05
Per 100 miles
$28.20
Five years
$21,150
5 × the yearly cost, prices held at today's level
vs the small car median
$740more a year
Class median $3,490 a year, MY2009
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2009 Audi S5 MPG
Versus 2008: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S5 4.2L 8-cyl 4WD Automatic (S6) (Most efficient) | 4.2L 8-cyl | 4WD | 16 | 24 | 19 | $4,230 |
| S5 4.2L 8-cyl 4WD Manual 6-spd | 4.2L 8-cyl | 4WD | 14 | 22 | 17 | $4,730 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2008 Audi S5 MPG
16–19 MPG · $4,230–$5,020/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S5 4.2L 8-cyl 4WD Automatic (S6) (Most efficient) | 4.2L 8-cyl | 4WD | 16 | 22 | 19 | $4,230 |
| S5 4.2L 8-cyl 4WD Manual 6-spd | 4.2L 8-cyl | 4WD | 14 | 21 | 16 | $5,020 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the S5 4.2L 8-cyl 4WD: $5,040 in California and $3,670 in Texas, a $1,370 difference.
- California $5,040
- Washington $4,740
- New York $4,180
- Florida $3,860
- Texas $3,670
Similar cars
Closest combined MPG among MY2009 small car models.
Generations
Frequently asked questions
What gas mileage does the 2008-2009 Audi S5 get?
EPA rates the 2008-2009 Audi S5 at 16–19 MPG combined across 4 configurations and 2 model years. The most efficient version, the 2009 S5 4.2L 8-cyl 4WD, is rated 19 MPG (16 city, 24 highway).
Which years had the best MPG in the 2008-2009 Audi S5?
Every model year of the 2008-2009 Audi S5 tops out at 19 MPG combined, so no year is better than another.
Did EPA ratings change during the 2008-2009 Audi S5?
Yes. Ratings changed in 2009.
How much does it cost to fuel a 2009 Audi S5 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S5 4.2L 8-cyl 4WD costs about $4,230 a year. Across all 2 configurations the cost runs $4,230–$4,730 a year. That is a $500 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2009 Audi S5 100 miles?
About $28.20 per 100 miles for the S5 4.2L 8-cyl 4WD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $28.20 and $31.53 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2009 Audi S5 more efficient in the city or on the highway?
The S5 4.2L 8-cyl 4WD is rated 16 city and 24 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2009 Audi S5 compare with other small car configurations?
The S5 4.2L 8-cyl 4WD costs about $4,230 a year to fuel, $740 more than the class median of $3,490, and less than 2 of 10 small car configurations. The comparison covers all 336 rated small car configurations for MY2009, not weighted by sales.
Is the 2009 Audi S5 different from the 2008 model?
The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230. EPA lists 2 configurations for 2009 against 2 configurations for 2008. See the 2008 Audi S5 for that year.