1999 · Midsize Car · Gas
1999 Audi A6 MPG & fuel economy
The 1999 Audi A6 is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 19 MPG combined (16 city / 25 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 19 MPG. Efficiency is unchanged from the 1998 model. Among 44 midsize cars rated for 1999, it ranks 31st for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1999 Audi A6's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 16 | 6.8 | 14.7 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 1999 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
A6 MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 2.8L 6-cyl · 5-speed automatic A6 |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $3,118 |
| 4WD/AWD · 2.8L 6-cyl · 5-speed automatic A6 quattro |
Gas | 15 MPG | 24 MPG | 18 MPG | — | $3,292 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.8L 6-cyl
- Transmission
- 5-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 98 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 468 g/mi
1999 Audi A6 vs. rivals
Compare the 1999 A6
With any other car from any year, including other A6 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 1999 Audi A6?
Up to 19 MPG combined (16 city / 25 highway); ratings range from 18 to 19 MPG depending on configuration.
What fuel does the 1999 Audi A6 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 1999 Audi A6?
The 1999 Audi A6's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 1999 Audi A6 per year?
About $3,118 at 15,000 miles a year with $3.95/gal premium gas, or $20.79 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.