Audi · Standard SUVs · Electric
Audi Q8 e-tron: MPG and annual fuel cost, 2025
The Audi Q8 e-tron was last rated in the data for model year 2025, at 78 MPGe combined, 3rd of 11 standard SUVs, in the top quarter, ahead of 80% of the others.
- 78MPGe combined3rd of 11 in class
- $950a year in fuel3rd of 11 in class
- 0g/mile CO2
Where it stands
Compared only with the electric models of its class it is 3rd of 5 electric standard SUVs, in the upper half, ahead of 50% of the others. The median of that narrower group is 78 MPGe, against 29 MPGe for all standard SUVs together.
Across every class it is 11th of 17 electric models, in the lower half.
In its class, just ahead of it is the Audi SQ6 e-tron at 91 MPGe and just behind it is the Audi SQ8 e-tron at 70 MPGe.
Electric models use no fuel and have no tailpipe CO2. Efficiency is given in MPGe, the miles driven on 33.7 kilowatt-hours of electricity, which is the energy in one gallon of gasoline. The annual cost is electricity at $0.15 per kWh.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with electricity at $0.15 per kWh, the annual fuel bill of the most efficient version is about $950. That is $1,900 less than the standard SUVs median of $2,850.
It has no tailpipe emissions, so the CO2 column is zero; the emissions from making the electricity are not part of this figure.
Rated versions
In the city the most efficient version is rated 77 and on the highway 80, 3 better on the open road. 4 versions are rated for 2025. The most efficient, Q8 Sportback e-tron quattro (20 inch wheels): electric motor, Automatic (A1), AWD, gets 78 MPGe; the least efficient listed, Q8 e-tron quattro (21 inch wheels): electric motor, Automatic (A1), AWD, gets 74 MPGe, a gap of 4 MPGe. With the file's assumptions that gap is worth about $50 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile | Electric range |
|---|---|---|---|---|---|---|
| Q8 Sportback e-tron quattro (20 inch wheels): electric motor, Automatic (A1), AWD | 78 | 77 | 80 | $950 | 0 | 272 |
| Q8 e-tron quattro (20 inch wheels): electric motor, Automatic (A1), AWD | 78 | 77 | 80 | $950 | 0 | 272 |
| Q8 Sportback e-tron quattro (21 inch wheels): electric motor, Automatic (A1), AWD | 74 | 73 | 75 | $1,000 | 0 | 254 |
| Q8 e-tron quattro (21 inch wheels): electric motor, Automatic (A1), AWD | 74 | 73 | 75 | $1,000 | 0 | 254 |
Year by year
The Audi Q8 e-tron is in the data for 2 of the 8 model years from 2019 to 2026. Its best combined rating went from 87 in 2024 to 78 MPGe in 2025, down 9 MPGe. The number of rated versions grew from 3 to 4. Fuel cost for the best version is $950 in the latest data against $900 in 2024, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2025 | 4 | 78 | 74 | $950 | 0 | 22.5 |
| 2024 | 3 | 87 | 81 | $900 | 0 | 22 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| GMC Hummer EV | Electric | 53 | $1,450 | 2025 |
| Lexus TX Plug-in hybrid | Plug-in hybrid | 29 | $2,850 | 2025 |
| Porsche Cayenne Plug-in hybrid | Plug-in hybrid | 22 | $3,750 | 2025 |
| Jeep Wagoneer | Gasoline | 20 | $3,350 | 2025 |
Rated almost identically and covered by this page:
- Audi Q6 e-tron 104 MPGe, $750 a year, 7 versions, last rated 2025
- Audi SQ6 e-tron 91 MPGe, $850 a year, 2 versions, last rated 2025
- Audi SQ8 e-tron 70 MPGe, $1,100 a year, 4 versions, last rated 2025
Compare and rank
Rankings: Standard SUVs.
Data: US EPA and DOE, as prepared in methods and data.