Skip to content

2026 Audi A3 vs 2026 BMW i4

📊 Key Differences
  • Fuel economy: 28 MPG vs 118 MPG combined — BMW i4 is more efficient
  • Annual fuel cost: $2900 vs $650 — BMW i4 saves $ per year
  • Fuel type: Premium Gasoline vs Electricity
Specification 2026 Audi A3 2026 BMW i4
Year20262026
ClassSubcompact CarsCompact Cars
Fuel TypePremium GasolineElectricity
DriveAll-Wheel DriveRear-Wheel Drive
TransmissionAutomatic (AM-S7)Automatic (A1)
Cylinders4
Displacement (L)2.0
City MPG24121
Highway MPG34115
Combined MPG28118
Annual Fuel Cost$2900$650
CO₂ (g/mile)323.0
EPA Fuel Economy Score5/109/10
EPA GHG Score5/1010/10
🚗 2026 Audi A3

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

Full Audi A3 Profile →
🚗 2026 BMW i4

Compact Cars with 118 MPG combined fuel economy. Runs on Electricity. Rear-Wheel Drive drivetrain.

Full BMW i4 Profile →