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2026 Audi S5 vs 2026 Audi A3

📊 Key Differences
  • Fuel economy: 23 MPG vs 28 MPG combined — Audi A3 is more efficient
  • Annual fuel cost: $3550 vs $2900 — Audi A3 saves $ per year
  • Fuel type: Premium Gasoline vs Premium Gasoline
Specification 2026 Audi S5 2026 Audi A3
Year20262026
ClassMidsize CarsSubcompact Cars
Fuel TypePremium GasolinePremium Gasoline
DriveAll-Wheel DriveAll-Wheel Drive
TransmissionAutomatic (AM-S7)Automatic (AM-S7)
Cylinders64
Displacement (L)3.02.0
City MPG2024
Highway MPG2934
Combined MPG2328
Annual Fuel Cost$3550$2900
CO₂ (g/mile)386.0323.0
EPA Fuel Economy Score5/105/10
EPA GHG Score5/105/10
🚗 2026 Audi S5

Midsize Cars with 23 MPG combined fuel economy. Runs on Premium Gasoline. All-Wheel Drive drivetrain.

Full Audi S5 Profile →
🚗 2026 Audi A3

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

Full Audi A3 Profile →