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2021 BMW i3 vs 2026 Audi A3

📊 Key Differences
  • Fuel economy: 113 MPG vs 28 MPG combined — BMW i3 is more efficient
  • Annual fuel cost: $650 vs $2900 — BMW i3 saves $ per year
  • Fuel type: Electricity vs Premium Gasoline
Specification 2021 BMW i3 2026 Audi A3
Year20212026
ClassSubcompact CarsSubcompact Cars
Fuel TypeElectricityPremium Gasoline
DriveRear-Wheel DriveAll-Wheel Drive
TransmissionAutomatic (A1)Automatic (AM-S7)
Cylinders4
Displacement (L)2.0
City MPG12424
Highway MPG10234
Combined MPG11328
Annual Fuel Cost$650$2900
CO₂ (g/mile)323.0
EPA Fuel Economy Score10/105/10
EPA GHG Score10/105/10
🚗 2021 BMW i3

Subcompact Cars with 113 MPG combined fuel economy. Runs on Electricity. Rear-Wheel Drive drivetrain.

Full BMW i3 Profile →
🚗 2026 Audi A3

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

Full Audi A3 Profile →