2025 Audi A6 Real-World MPG
The 2025 Audi A6 averages 25 to 35 MPG in real-world conditions. This range fits sedans, Avants, and Allroads. V6 models reach 32 MPG on highways. Four-cylinder engines hit 33 MPG in mixed drives.
EPA ratings show the V6 A6 at 22 MPG city, 29 MPG highway, and 25 MPG combined. Car and Driver tested a V6 model at 32 MPG over 200 highway miles. This beats BMW's 31 MPG and Mercedes' 30 MPG. A YouTube test on the A6 Allroad got 34 MPG over 200 highway miles.
Real-world tests differ. One test on a 2025 A6 3.0 V6 used 8.9 liters per 100 km after 60 km of mixed driving. That equals 26 MPG. Highway runs stayed under 10 L/100 km, or 23 to 26 MPG.
Local factors change your MPG. Cold weather in Pennsylvania near zip code 19308 cuts it by 10%. Heavy traffic drops it to 20 MPG. Smooth highways boost it to 32 MPG. Quattro all-wheel drive lowers MPG by 2 to 3 MPG compared to front-wheel drive models.
Owners report 28 MPG combined for V6 A6 models. Real MPG beats EPA numbers on highways. City stops fall short of EPA ratings.
| Model Variant | Real-World MPG Range | Notes |
|---|---|---|
| V6 Sedan | 25-32 MPG | Highway strong at 32 MPG |
| Four-Cylinder | 28-33 MPG | Best in mixed drives |
| Allroad | 26-34 MPG | Quattro impacts efficiency |
| Combined Avg | 28 MPG | Owner reports |
Tips to max your A6 MPG:
- Keep tires at 35 PSI.
- Use 87 octane gas.
- Drive steady at 65 MPH on highways.
- Avoid hard acceleration.
Sidekick tracks your real MPG with trip data. Enter your 2025 Audi A6 details to see if you beat the average and get alerts for low efficiency.

