2018 Audi A3 Specifications Overview

The 2018 Audi A3 is certified across 5 configurations with 1.4L Plug-in Hybrid Powertrain, 2L 4-Cylinder Engine powertrain options. Available drivetrain layouts include Front-Wheel Drive, All-Wheel Drive paired with Automatic (AM-S6) or Automatic (AM-S7). EPA classified under the Compact Cars / Subcompact Cars size category. Platform architecture belongs to the 3rd Generation (Typ 8V) vehicle family.

Engine / Motors
2 Options
1.4L Plug-in Hybrid Powertrain, 2L 4-Cylinder Engine
Drivetrain Options
2 Drivetrains
Front-Wheel Drive, All-Wheel Drive
Transmissions
2 Options
Automatic (AM-S6), Automatic (AM-S7)
Vehicle Classification
Compact Cars
Official EPA regulatory class

Certified Powertrain & Transmission Configurations (5)

Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation

Configuration / Model Engine & Displacement Cylinders Induction / Tech Transmission Drivetrain Fuel System
A3 e-tron Compact Cars 1.4L Plug-in Hybrid Powertrain 4 Hybrid Electric Motor + Engine Automatic (AM-S6) Front-Wheel Drive Premium and Electricity
A3 Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic (AM-S7) Front-Wheel Drive Regular
A3 Cabriolet Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic (AM-S7) Front-Wheel Drive Regular
A3 quattro Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic (AM-S6) All-Wheel Drive Regular
A3 Cabriolet quattro Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic (AM-S6) All-Wheel Drive Regular
EPA Certification Standards: Powertrain and transmission specifications represent official laboratory configuration records filed under 40 CFR Part 600. For detailed fuel economy ratings, electric range, and annual fuel costs, explore the 2018 Audi A3 MPG & Range Report.

Regulatory Classification & Safety Architecture

Federal classification standards and standard active driver assistance system capabilities

EPA Regulatory Size Class

  • Compact Cars
  • Subcompact Cars

NHTSA NCAP Body Formats

  • 2018 Audi A3 C FWD
  • 2018 Audi A3 4 DR FWD
  • 2018 Audi A3 C AWD
  • 2018 Audi A3 4 DR AWD

Active Safety Technology

Evaluated under federal safety compliance standards.

Official US Government Data Provenance

Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.