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2025 Audi A4 vs 2026 Mazda 3

📊 Key Differences
  • Fuel economy: 29 MPG vs 30 MPG combined — Mazda 3 is more efficient
  • Annual fuel cost: $2800 vs $2250 — Mazda 3 saves $ per year
  • Fuel type: Premium Gasoline vs Regular Gasoline
Specification 2025 Audi A4 2026 Mazda 3
Year20252026
ClassCompact CarsCompact Cars
Fuel TypePremium GasolineRegular Gasoline
DriveAll-Wheel DriveFront-Wheel Drive
TransmissionAutomatic (AM-S7)Automatic (S6)
Cylinders44
Displacement (L)2.02.5
City MPG2627
Highway MPG3636
Combined MPG2930
Annual Fuel Cost$2800$2250
CO₂ (g/mile)301.0294.0
EPA Fuel Economy Score6/106/10
EPA GHG Score6/106/10
Overall Safety5/5 ★
Frontal Crash4/5
Side Crash5/5
Rollover5/5
🚗 2025 Audi A4

Compact Cars with 29 MPG combined fuel economy. Runs on Premium Gasoline. All-Wheel Drive drivetrain.

Full Audi A4 Profile →
🚗 2026 Mazda 3

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

Full Mazda 3 Profile →