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2026 Mazda 3 vs 2026 Audi A3

📊 Key Differences
  • Fuel economy: 30 MPG vs 28 MPG combined — Mazda 3 is more efficient
  • Annual fuel cost: $2250 vs $2900 — Mazda 3 saves $ per year
  • Fuel type: Regular Gasoline vs Premium Gasoline
Specification 2026 Mazda 3 2026 Audi A3
Year20262026
ClassCompact CarsSubcompact Cars
Fuel TypeRegular GasolinePremium Gasoline
DriveFront-Wheel DriveAll-Wheel Drive
TransmissionAutomatic (S6)Automatic (AM-S7)
Cylinders44
Displacement (L)2.52.0
City MPG2724
Highway MPG3634
Combined MPG3028
Annual Fuel Cost$2250$2900
CO₂ (g/mile)294.0323.0
EPA Fuel Economy Score6/105/10
EPA GHG Score6/105/10
🚗 2026 Mazda 3

Compact Cars with 30 MPG combined fuel economy. Runs on Regular Gasoline. Front-Wheel Drive drivetrain.

Full Mazda 3 Profile →
🚗 2026 Audi A3

Subcompact Cars with 28 MPG combined fuel economy. Runs on Premium Gasoline. All-Wheel Drive drivetrain.

Full Audi A3 Profile →