SEDAN · Premium gas
Audi A6 Fuel Cost
Refined midsize luxury sedan with quattro AWD and a high-quality interior. Below are estimated fuel costs based on 27 combined MPG and average US gas prices.
Best for buyers who value comfort and capability over rock-bottom fuel costs.
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
24 MPG
33 MPG
27 MPG
19.3 gal
~521 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 27 MPG and $4.10/gal.
Annual cost
$1822
Monthly cost
$152
Cost per mile
$0.152
Gallons / year
444
Estimate your own cost
Pre-filled with the Audi A6's combined MPG.
Pre-filled with estimated combined MPG for the Audi A6. Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~444 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 296 | $1215 | $101 |
| 12,000 | 444 | $1822 | $152 |
| 15,000 | 556 | $2278 | $190 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate Audi A6 costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the Audi A6?
Driving 12,000 miles per year at 27 MPG and $4.10/gal, expect about $1822 per year. Heavier city driving or longer commutes will increase that.
What MPG does the Audi A6 get?
Estimated EPA-style ratings are roughly 24 city / 33 highway / 27 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the Audi A6?
The Audi A6 typically has a 19.3-gallon tank. At 27 combined MPG, that's roughly 521 miles of driving range per fill-up.
How does Audi A6 fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $1822. Compare it to other sedans on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
Cheaper-to-drive alternatives
Same vehicle class as the Audi A6, but lower fuel or charging cost per mile. Annual cost at 12,000 mi.
Compare similar sedans
The closest competitors to the Audi A6 by MPG and category.
Mercedes-Benz E-Class (E350)
sedan · premium
27 MPG
See fuel costCadillac CT4
sedan · premium
27 MPG
See fuel costToyota Avalon
sedan · regular
26 MPG
See fuel costLexus ES 350
sedan · premium
26 MPG
See fuel costBMW 5 Series (530i)
sedan · premium
28 MPG
See fuel costMercedes-Benz C-Class (C300)
sedan · premium
28 MPG
See fuel costCompare the Audi A6 head-to-head
Side-by-side MPG, annual cost and cost-per-mile vs popular rivals.
Best road trips for the Audi A6
Popular drives that pair well with the Audi A6.
Related vehicles
Audi A4 (40 TFSI)
sedan · premium
28 MPG
See fuel costMercedes-Benz E-Class (E350)
sedan · premium
27 MPG
See fuel costCadillac CT4
sedan · premium
27 MPG
See fuel costLexus ES 350
sedan · premium
26 MPG
See fuel costBMW 5 Series (530i)
sedan · premium
28 MPG
See fuel costMercedes-Benz C-Class (C300)
sedan · premium
28 MPG
See fuel cost