1999 Audi A8 quattro MPG
EPA-rated · verified snapshot 2026-08-30 · Midsize Cars
The 1999 Audi A8 quattro gets 18 MPG combined — 15 city and 23 highway — in its most efficient configuration (4.2L · 8-cyl · Automatic 5-spd · 4-Wheel or All-Wheel Drive).
City15 MPG
Highway23 MPG
$4,200Fuel cost / yr (EPA est.)
494 g/miCO₂
PremiumFuel
$-10,0005-yr fuel cost vs. average vehicle
18 ft³Cargo volume
100 ft³Passenger volume
Where it sits among sedans (1999)
FAQ
Is 18 MPG good for a sedans like the 1999 A8 quattro?
The 1999 A8 quattro's 18 MPG combined is below the sedans average of 19.7 MPG for 1999.
How much does it cost to fuel a 1999 A8 quattro 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 1999 A8 quattro?
The most efficient trim is rated 15 MPG city and 23 MPG highway.