Audi Q4 45 e-tron MPG by year — every rating on record
The Audi Q4 45 e-tron has a combined EPA fuel economy rating for 2 model years, from 2025 to 2026. Across those years its best rated version returned 115 mpg (2025) and its thirstiest returned 115 mpg (2025). The EPA record holds 2 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 2WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2025 | 1 | 115 mpg | 115 mpg | #1 of 38 (100th pct) | Rear-Wheel Drive | Electricity | Standard Sport Utility Vehicle 2WD |
| 2026 | 1 | 115 mpg | 115 mpg | #1 of 45 (100th pct) | Rear-Wheel Drive | Electricity | Standard Sport Utility Vehicle 2WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Audi Q4 45 e-tron placed highest in 2025 at #1 of 38, and lowest in 2025 at #1 of 38. It spent 2 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | Range | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Rear-Wheel Drive Automatic (A1) Electricity | EV | 125 | 104 | 115 | 100.0 | 0.1 | $650 | 288 mi | n/a | 10/10 |
| 2025 | Rear-Wheel Drive Automatic (A1) Electricity | EV | 125 | 104 | 115 | 100.0 | 0.1 | $650 | 288 mi | n/a | 10/10 |
What Q4 45 e-tron fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Audi Q4 45 e-tron burns 100 to 100 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $300 | $300 | $0 |
| $3.50/gal | $350 | $350 | $0 |
| $4.00/gal | $400 | $400 | $0 |
EPA’s own estimate for the 2026 model year is $650 to $650 a year in fuel, or $8,000 less than the average new vehicle over five years.
How it compares with other Standard Sport Utility Vehicle 2WD
Across the 70 nameplates EPA classifies as Standard Sport Utility Vehicle 2WD, the median best combined rating is 23 mpg. At 115 mpg the Audi Q4 45 e-tron is 92 mpg better the median, which is worth about $1,400 a year at $3.50 a gallon.
- All Standard Sport Utility Vehicle 2WD rankings — every nameplate in the class, best to worst.
Other Audi nameplates
Every Audi model compared → — all nameplates ranked by best combined rating, with what each one costs a year.