2015 Audi A3 (2L 4-cyl) MPG & Specs
Quick answer
The 2015 Audi A3 gets an EPA-estimated 31/41 MPG (city/highway) and 35 MPG combined, with an estimated $2,300/year fuel cost and 292 g/mi CO₂. Engine: 2 L 4-cyl.
The 2015 Audi A3 with the 2-liter 4-cylinder diesel engine returns an EPA-estimated 31 MPG in the city and 41 MPG on the highway, for a combined 35 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 2 L 4-cyl |
| Transmission | Automatic (AM-S6) |
| Drive | Front-Wheel Drive |
| Fuel type | Diesel |
| Vehicle class | Subcompact Cars |
| MPG — city | 31 |
| MPG — highway | 41 |
| MPG — combined | 35 |
| Annual fuel cost* | $2,300 |
| CO₂ tailpipe | 292 g/mi |
| EPA GHG score | 8/10 |
How efficient is it?
With a combined 35 MPG, the 2015 Audi A3 sits in the very good range for fuel economy. That is about 48% better than the typical Subcompact Cars of its era (24 MPG class average), making it one of the more efficient choices in its class.
Fuel economy and running costs
At about $2,300 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2015 Audi A3. Over five years that is roughly $11,500 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2015 Audi A3 emits approximately 292 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 8 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.