Audi Q3 S-Line quattro MPG by year — every rating on record
The Audi Q3 S-Line quattro has a combined EPA fuel economy rating for 2 model years, from 2021 to 2025. Across those years its best rated version returned 23 mpg (2021) and its thirstiest returned 23 mpg (2021). The EPA record holds 2 configurations for this nameplate, most recently a Small Sport Utility Vehicle 4WD.
In the EPA record this nameplate also appears as Q3 S-Line quattro and Q3 S-line quattro. The figures below cover every one of them.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2021 | 1 | 23 mpg | 23 mpg | #72 of 124 (42th pct) | All-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD |
| 2025 | 1 | 23 mpg | 23 mpg | #153 of 194 (21th pct) | All-Wheel Drive | Premium | Small Sport Utility Vehicle 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Audi Q3 S-Line quattro placed highest in 2021 at #72 of 124, and lowest in 2025 at #153 of 194. It spent 0 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 | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 2.0L 4-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 20 | 28 | 23 | 500.0 | 12.9 | $3,350 | 386 | 5/10 |
| 2021 | 2.0L 4-cyl All-Wheel Drive Automatic (S8) Regular | SIDI, turbocharged, start-stop | 20 | 28 | 23 | 500.0 | 12.9 | $2,700 | 384 | 5/10 |
What Q3 S-Line quattro fuel costs over a year
At the EPA's 11,500 miles a year, the 2025 Audi Q3 S-Line quattro burns 500 to 500 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 | $1,500 | $1,500 | $0 |
| $3.50/gal | $1,750 | $1,750 | $0 |
| $4.00/gal | $2,000 | $2,000 | $0 |
EPA’s own estimate for the 2025 model year is $3,350 to $3,350 a year in fuel, or $5,500 more than the average new vehicle over five years.
How it compares with other Small Sport Utility Vehicle 4WD
Across the 311 nameplates EPA classifies as Small Sport Utility Vehicle 4WD, the median best combined rating is 27 mpg. At 23 mpg the Audi Q3 S-Line quattro is 4 mpg below the median, which is worth about $259 a year at $3.50 a gallon.
- All Small Sport Utility Vehicle 4WD 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.