The 2018 Audi A3 is a compact luxury sedan that is available with a variety of powertrains in the United States. The gas mileage for the A3 depends on the specific engine and transmission combination that is chosen. The standard engine for the 2018 A3 is a 2.0-liter turbocharged four-cylinder that produces 186 horsepower and 221 lb-ft of torque. This engine is paired with a seven-speed S tronic dual-clutch transmission and front-wheel drive.
With this powertrain, the 2018 A3 gets an EPA-estimated fuel economy of 26 mpg city, 35 mpg highway, and 29 mpg combined. The A3 comes in a Sportback e-tron model, which is a plug-in hybrid that combines a 1.4-liter turbocharged four-cylinder engine and an electric motor for a total output of 204 horsepower. This version gets an EPA-estimated 83 MPGe when running on electric power and 32 mpg combined when running on gasoline.
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2018 Audi A3 City, Highway and Combined MPG and Fuel Range
| Trim Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
Premium Plus Summer of Audi 4dr Sedan (2.0L 4cyl Turbo 7AM) Premium 4dr Sedan (2.0L 4cyl Turbo 7AM) w/Prod. End 6/18 Premium quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) w/Prod. End 6/18 Premium Plus 4dr Sedan (2.0L 4cyl Turbo 7AM) w/Prod. End 6/18 Premium Plus quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) w/Prod. End 6/18 Prestige 4dr Sedan (2.0L 4cyl Turbo 7AM) Prestige quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Tech Premium 4dr Sedan (2.0L 4cyl Turbo 7AM) Tech Premium quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) S Tronic quattro 4dr Sedan AWD (2.5L 5cyl Turbo 7AM) Tech Premium Plus quattro 4dr Sedan AWD (2.0L 4cyl Turbo 7AM) Tech Prestige quattro 4dr Sedan AWD (2.0L 4cyl Turbo 7AM) Premium Plus quattro Summer of Audi 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Premium Summer of Audi 4dr Sedan (2.0L 4cyl Turbo 7AM) Premium quattro Summer of Audi 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) +13 More | 24 mpg | 31 mpg | 27 mpg | 14.5 gal. | - |
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2018 Audi A3 vs. Competitor's City, Highway and Combined MPG and Fuel Range
| Car Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
| 2018 Audi A3 | 19 - 26 mpg | 28 - 35 mpg | 22 - 29 mpg | 13.2 - 14.5 gal. | 343.20 / 462.00 - 377.0/507.5 mi. |
| 2018 Audi A4 | 21 - 27 mpg | 30 - 37 mpg | 24 - 31 mpg | 15.3 gal. | 343.2/462.0 - 413.10 / 566.10 mi. |
| 2018 BMW M3 | 17 mpg | 25 mpg | 20 mpg | 15.9 gal. | 344.0/464.4 mi. |
| 2018 BMW ALPINA B7 | 16 mpg | 25 mpg | 19 mpg | 20.6 gal. | 288.0/504.0 mi. |
| 2018 BMW 4 Series Gran Coupe | 21 - 24 mpg | 31 - 34 mpg | 25 - 27 mpg | 15.8 gal. | 295.4/422.0 - 363.4/521.4 mi. |
| 2018 BMW 3 Series | 21 - 24 mpg | 31 - 35 mpg | 25 - 28 mpg | 15.8 gal. | 331.8/489.8 - 363.4/537.2 mi. |
| 2018 Cadillac ATS | 19 - 22 mpg | 27 - 31 mpg | 22 - 25 mpg | 16 gal. | 304.0/432.0 - 352.0/496.0 mi. |
| 2018 Audi S6 | 16 mpg | 24 mpg | 18 mpg | 19.8 gal. | 287.3/439.4 - 316.8/475.2 mi. |
| 2018 Mercedes-Benz C-Class | 23 - 24 mpg | 32 - 33 mpg | 26 - 27 mpg | 17.4 gal. | 400.20 / 556.80 - 417.60 / 574.20 mi. |
| 2018 Audi S3 | 22 mpg | 28 mpg | 24 - 25 mpg | 14.5 gal. | 319.0/406.0 - 351.9/428.4 mi. |
| 2018 Audi A7 | 14 - 20 mpg | 24 - 29 mpg | 17 - 23 mpg | 19.8 gal. | 396.0/574.2 - 460.8/729.6 mi. |
| 2018 Infiniti Q50 | 19 - 23 mpg | 27 - 30 mpg | 22 - 25 mpg | 20 gal. | 380.00 / 540.00 - 460.00 / 600.00 mi. |
| 2018 Jaguar XE | 20 - 25 mpg | 29 - 34 mpg | 24 - 29 mpg | 16.6 gal. | 332.00 / 481.40 - 415.00 / 564.40 mi. |
| 2018 Mercedes-Benz CLA-Class | 24 mpg | 32 - 37 mpg | 27 - 29 mpg | 14.8 gal. | 355.20 / 473.60 mi. |
| 2018 Lincoln MKZ | 20 - 21 mpg | 28 - 31 mpg | 23 - 24 mpg | 16.5 - 18 gal. | 346.50 / 511.50 - 360.00 / 504.00 mi. |
| 2018 Subaru WRX | 18 - 21 mpg | 24 - 27 mpg | 21 - 23 mpg | 15.9 gal. | 286.20 / 381.60 - 333.90 / 429.30 mi. |
| 2018 Alfa Romeo Giulia | 23 - 24 mpg | 31 - 33 mpg | 26 - 27 mpg | 15.3 gal. | 351.9/474.3 - 370.0/573.5 mi. |
| 2018 Lexus IS 300 | 19 - 22 mpg | 26 - 32 mpg | 22 - 26 mpg | 17.4 gal. | 330.60 / 452.40 - 382.80 / 556.80 mi. |
2017 Audi A3 City, Highway and Combined MPG and Fuel Range
| Trim Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
Premium 4dr Sedan (2.0L 4cyl Turbo 7AM) Prestige quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Prestige 4dr Sedan (2.0L 4cyl Turbo 7AM) Premium Plus quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Premium Plus 4dr Sedan (2.0L 4cyl Turbo 7AM) Premium quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) +4 More | 24 mpg | 35 mpg | 29 mpg | 14.5 gal. | 348.00 / 449.50 mi. |
2017 Audi A3 vs. Competitor's City, Highway and Combined MPG and Fuel Range
| Car Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
| 2017 Jaguar XE | 20 - 21 mpg | 29 - 30 mpg | 23 - 24 mpg | 16.6 - 18.5 gal. | 332.00 / 481.40 - 348.60 / 498.00 mi. |
| 2017 BMW 3 Series | 21 - 23 mpg | 31 - 35 mpg | 25 - 28 mpg | 15.8 gal. | - |
| 2017 Mercedes-Benz C-Class | 24 mpg | 31 - 34 mpg | 27 - 28 mpg | 17.4 gal. | 417.60 / 539.40 mi. |
| 2017 Infiniti Q50 | 19 - 23 mpg | 27 - 31 mpg | 22 - 26 mpg | 20 gal. | 380.00 / 540.00 - 460.00 / 620.00 mi. |
| 2017 Lincoln MKZ | 20 - 21 mpg | 28 - 31 mpg | 23 - 24 mpg | 16.5 - 18 gal. | 346.50 / 511.50 - 360.00 / 504.00 mi. |
| 2017 Cadillac ATS | 19 - 22 mpg | 27 - 31 mpg | 22 - 25 mpg | 16 gal. | 304.00 / 432.00 - 352.00 / 496.00 mi. |
| 2017 Lexus IS 200t | 22 mpg | 32 mpg | 26 mpg | 17.4 gal. | 382.80 / 556.80 mi. |
| 2017 Lincoln MKZ hybrid Sedan | 41 mpg | 38 mpg | 40 mpg | 14 gal. | 553.50 / 513.00 mi. |
| 2017 BMW 4 Series Gran Coupe | 21 - 23 mpg | 31 - 34 mpg | 25 - 27 mpg | 15.8 gal. | 331.80 / 489.80 mi. |
| 2017 Audi S6 | 18 mpg | 27 mpg | 21 mpg | 19.8 gal. | 356.40 / 534.60 mi. |
| 2017 Audi S3 | 21 - 26 mpg | 28 - 35 mpg | 24 mpg | 13.2 - 14.5 gal. | 304.50 / 406.00 mi. |
| 2017 Audi A7 | 15 - 21 mpg | 21 - 29 mpg | 18 - 24 mpg | 19.8 gal. | 415.80 / 574.20 mi. |
| 2017 Audi A4 | 24 - 27 mpg | 31 - 37 mpg | 27 - 31 mpg | 15.3 gal. | 367.20 / 474.30 - 413.10 / 566.10 mi. |
| 2017 Audi A3 | 24 - 26 mpg | 35 mpg | 29 mpg | 13.2 - 14.5 gal. | 343.20 / 462.00 - 348.00 / 449.50 mi. |
| 2017 Mercedes-Benz CLA-Class | 23 - 24 mpg | 32 - 36 mpg | 27 - 29 mpg | 14.8 gal. | 340.40 / 473.60 - 355.20 / 532.80 mi. |
| 2017 Subaru WRX | 18 - 20 mpg | 24 - 27 mpg | 21 - 23 mpg | 15.9 gal. | 286.20 / 381.60 - 318.00 / 429.30 mi. |
| 2017 Honda Civic | 28 - 32 mpg | 40 - 42 mpg | 32 - 36 mpg | 12.4 gal. | - |
| 2017 Alfa Romeo Giulia | 17 - 24 mpg | 24 - 33 mpg | 26 - 27 mpg | 15.3 gal. | - |
| 2017 Volvo S60 | 22 - 25 (Est) mpg | 31 - 37 (Est) mpg | 26 - 29 mpg | 17.8 - 18.5 gal. | 391.60 / 569.60 - 445.00 / 658.60 mi. |
2016 Audi A3 City, Highway and Combined MPG and Fuel Range
| Trim Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
Premium 4dr Sedan (1.8L 4cyl Turbo 6AM) Premium Plus 4dr Sedan (1.8L 4cyl Turbo 6AM) Premium quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Premium Plus S Line 4dr Sedan (1.8L 4cyl Turbo 6AM) Premium Plus quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Premium Plus S Line quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) Prestige 4dr Sedan (1.8L 4cyl Turbo 6AM) Prestige quattro 4dr Sedan AWD (2.0L 4cyl Turbo 6AM) +6 More | 24 mpg | 33 mpg | 27 mpg | 14.5 gal. | 348.00 / 478.50 mi. |
2016 Audi A3 vs. Competitor's City, Highway and Combined MPG and Fuel Range
| Car Name | MPG City | MPG Highway | MPG Combined | Fuel Tank Capacity | Range in Miles |
|---|---|---|---|---|---|
| 2016 Volvo S60 | 18 - 26 mpg | 27 - 38 mpg | 21 - 30 mpg | 17.8 gal. | 320.40 / 480.60 - 356.00 / 516.20 mi. |
| 2016 Mercedes-Benz CLA-Class | 24 - 26 mpg | 33 - 38 mpg | 27 - 30 mpg | 13.2 gal. | 355.20 / 488.40 - 384.80 / 562.40 mi. |
| 2016 Mazda 3 | 25 - 30 mpg | 37 - 41 mpg | 29 - 34 mpg | 13.2 gal. | 330.00 / 488.40 - 396.00 / 541.20 mi. |
| 2016 Volkswagen Jetta | 23 - 28 mpg | 33 - 39 mpg | 27 - 32 mpg | 14.5 gal. | 362.50 / 522.00 - 406.00 / 580.00 mi. |
| 2016 Acura ILX | 25 mpg | 36 mpg | 29 mpg | 13.2 gal. | 330.00 / 475.20 mi. |
| 2016 Lexus IS 300 | 19 mpg | 26 mpg | 21 mpg | 17.4 gal. | 330.60 / 452.40 mi. |
| 2016 Audi A3 | 21 - 24 mpg | 33 mpg | 27 mpg | 13.2 - 14.5 gal. | 303.60 / 435.60 - 348.00 / 478.50 mi. |
