2014 Audi S8 MPG
EPA-rated · verified snapshot 2026-08-30 · Midsize Cars
The 2014 Audi S8 gets 18 MPG combined — 15 city and 26 highway — in its most efficient configuration (4.0L · 8-cyl · Automatic (S8) · All-Wheel Drive).
City15 MPG
Highway26 MPG
$4,200Fuel cost / yr (EPA est.)
483 g/miCO₂
PremiumFuel
$-10,0005-yr fuel cost vs. average vehicle
4 / 10EPA Fuel Economy & GHG score
15 ft³Cargo volume
100 ft³Passenger volume
Where it sits among sedans (2014)
FAQ
Where does the 2014 S8 rank among sedans for MPG?
The 2014 S8's 18 MPG combined is below the sedans average of 25.1 MPG for 2014.
How much does it cost to fuel a 2014 S8 per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $4,200 for the most efficient trim.
What is the city and highway MPG of the 2014 S8?
The most efficient trim is rated 15 MPG city and 26 MPG highway.