2003 Audi S8 MPG
EPA-rated · verified snapshot 2026-08-30 · Midsize Cars
The 2003 Audi S8 gets 16 MPG combined — 14 city and 20 highway — in its most efficient configuration (4.2L · 8-cyl · Automatic (S5) · 4-Wheel or All-Wheel Drive).
City14 MPG
Highway20 MPG
$4,750Fuel cost / yr (EPA est.)
555 g/miCO₂
PremiumFuel
$-12,7505-yr fuel cost vs. average vehicle
18 ft³Cargo volume
100 ft³Passenger volume
Where it sits among sedans (2003)
FAQ
Where does the 2003 S8 rank among sedans for MPG?
The 2003 S8's 16 MPG combined is below the sedans average of 19.9 MPG for 2003.
How much does it cost to fuel a 2003 S8 per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $4,750 for the most efficient trim.
What is the city and highway MPG of the 2003 S8?
The most efficient trim is rated 14 MPG city and 20 MPG highway.