2018 Audi A3 Specs

1 powertrain configuration on federal record for the 2018 Audi A3: 2.0L 4-cyl Regular Gasoline, rated up to 29 MPG combined by the EPA.

Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research

2018 Audi A3 engines, transmissions, drivetrains and EPA gas mileage
EngineTransmissionDrivetrainCityHighwayCombined
2.0L 4-cyl Regular GasolineAutomatic (AM-S7)Front-Wheel Drive263529

A3 by year

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Frequently asked questions

What engines does the 2018 Audi A3 have?

One powertrain on federal record: 2.0L 4-cyl Regular Gasoline, offered with Automatic (AM-S7) and Front-Wheel Drive. The full per-configuration table is above.

What gas mileage does the 2018 Audi A3 get?

EPA combined ratings run 29–29 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.

How do I get the specs for my exact VIN?

These are the federal-record configurations for the 2018 Audi A3 overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.

Where does this data come from?

The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).