2018 Audi S6
Midsize Cars · All-Wheel Drive · Premium Gasoline
18
Combined MPG
16
City MPG
24
Highway MPG
—
Safety Rating
📊 Key Statistics — 2018 Audi S6
- Combined fuel economy: 18 MPG (16 city / 24 highway)
- Annual fuel cost: $3,850
- CO₂ emissions: 480 grams/mile
Specifications
| Make | Audi |
| Model | S6 |
| Year | 2018 |
| Class | Midsize Cars |
| Drive | All-Wheel Drive |
| Transmission | Automatic (AM-S7) |
| Fuel Type | Premium Gasoline |
| Cylinders | 8 |
| Engine Size | 4.0L |
EPA Scores
| Fuel Economy Score | 3/10 |
| Greenhouse Gas Score | 3/10 |
| You Save/Spend vs Average | $-8,500 over 5 years |
Annual Fuel Cost
| Annual Fuel Cost (15K mi, $3.50/gal) | $2917 |
| Monthly Fuel Cost | $243 |
| Cost per Mile (fuel only) | $19¢ |
Based on 15,000 miles/year and $3.50/gallon national average.
Compare This Car
Audi S6 — MPG by Year
| Year | MPG | |
|---|---|---|
| 2025 | 22 | ↑ |
| 2024 | 22 | ↑ |
| 2023 | 22 | ↑ |
| 2022 | 22 | ↑ |
| 2021 | 22 | ↑ |
| 2020 | 22 | ↑ |
| 2017 | 21 | ↑ |
| 2016 | 21 | ↑ |
| 2015 | 20 | ↑ |
| 2014 | 20 | ↑ |
Similar 2018 Midsize Cars
- Hyundai Ioniq — 136 MPG
- Tesla Model 3 — 130 MPG
- Honda Clarity — 114 MPG
- Nissan Leaf — 112 MPG
- Toyota Prius — 56 MPG
- Toyota Prius Prime — 54 MPG
- Toyota Camry — 52 MPG
- Chevrolet Malibu — 46 MPG