2023 Audi S8 MPG
EPA-rated · verified snapshot 2026-08-30 · Large Cars
The 2023 Audi S8 gets 18 MPG combined — 15 city and 23 highway — in its most efficient configuration (4.0L · 8-cyl · Automatic (S8) · All-Wheel Drive · Hybrid).
City15 MPG
Highway23 MPG
$4,200Fuel cost / yr (EPA est.)
503 g/miCO₂
PremiumFuel
$-10,0005-yr fuel cost vs. average vehicle
4 / 10EPA Fuel Economy & GHG score
13 ft³Cargo volume
111 ft³Passenger volume
Where it sits among sedans (2023)
Compared with the 2022 model, the 2023 S8 is +1 MPG better at its best.
FAQ
Where does the 2023 S8 rank among sedans for MPG?
The 2023 S8's 18 MPG combined is below the sedans average of 36.6 MPG for 2023.
How much does it cost to fuel a 2023 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 2023 S8?
The most efficient trim is rated 15 MPG city and 23 MPG highway.